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The 1972 season’s official transaction log: 368 trades, signings and releases involving major-league clubs, listed newest first.
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Dec 27, 1972 | Released | Curt Blefary | San Diego Padres | — | Release |
| Dec 27, 1972 | Released | Joe Horlen | Oakland Athletics | — | Release |
| Dec 23, 1972 | Signed as free agent | Glenn Adams | — | San Francisco Giants | Free agent signing |
| Dec 21, 1972 | Released | Larry Brown | Oakland Athletics | — | Release |
| Dec 21, 1972 | Released | Ron Herbel | Minnesota Twins | — | Release |
| Dec 18, 1972 | Released | Orlando Cepeda | Oakland Athletics | — | Release |
| Dec 18, 1972 | Trade | Byron Browne | Philadelphia Phillies | St. Louis Cardinals | Trade |
| Dec 18, 1972 | Trade | Keith Lampard | St. Louis Cardinals | Philadelphia Phillies | Trade |
| Dec 7, 1972 | Trade | Remy Hermoso | Montreal Expos | Cleveland Indians | Trade |
| Dec 7, 1972 | Trade | Mike Carruthers | Cleveland Indians | Montreal Expos | Trade |
| Dec 1, 1972 | Signed | Ubaldo Heredia | — | Los Angeles Dodgers | Amateur free agent signing |
| Dec 1, 1972 | Trade | Rich McKinney | New York Yankees | Oakland Athletics | Trade |
| Dec 1, 1972 | Trade | Jim Merritt | Cincinnati Reds | Texas Rangers | Trade |
| Dec 1, 1972 | Trade | Hal King | Texas Rangers | Cincinnati Reds | Trade |
| Dec 1, 1972 | Trade | Jim Driscoll | Texas Rangers | Cincinnati Reds | Trade |
| Nov 30, 1972 | Trade | Brant Alyea | Oakland Athletics | Texas Rangers | Trade |
| Nov 30, 1972 | Trade | Bill Hands | Chicago Cubs | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Joe Decker | Chicago Cubs | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Bob Maneely | Chicago Cubs | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Dave LaRoche | Minnesota Twins | Chicago Cubs | Trade |
| Nov 30, 1972 | Trade | Ken Sanders | Philadelphia Phillies | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Ken Reynolds | Philadelphia Phillies | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Joe Lis | Philadelphia Phillies | Minnesota Twins | Trade |
| Nov 30, 1972 | Trade | Cesar Tovar | Minnesota Twins | Philadelphia Phillies | Trade |
| Nov 30, 1972 | Trade | Horacio Pina | Texas Rangers | Oakland Athletics | Trade |
| Nov 30, 1972 | Trade | Mike Epstein | Oakland Athletics | Texas Rangers | Trade |
| Nov 30, 1972 | Trade | Wayne Simpson | Cincinnati Reds | Kansas City Royals | Trade |
| Nov 30, 1972 | Trade | Hal McRae | Cincinnati Reds | Kansas City Royals | Trade |
| Nov 30, 1972 | Trade | Roger Nelson | Kansas City Royals | Cincinnati Reds | Trade |
| Nov 30, 1972 | Trade | Richie Scheinblum | Kansas City Royals | Cincinnati Reds | Trade |
| Nov 30, 1972 | Trade | Al Severinsen | San Diego Padres | New York Mets | Trade |
| Nov 30, 1972 | Trade | Dave Marshall | New York Mets | San Diego Padres | Trade |
| Nov 30, 1972 | Trade | Tom Ragland | Texas Rangers | Cleveland Indians | Trade |
| Nov 30, 1972 | Trade | Vince Colbert | Cleveland Indians | Texas Rangers | Trade |
| Nov 30, 1972 | Trade | Del Unser | Cleveland Indians | Philadelphia Phillies | Trade |
| Nov 30, 1972 | Trade | Terry Wedgewood | Cleveland Indians | Philadelphia Phillies | Trade |
| Nov 30, 1972 | Trade | Oscar Gamble | Philadelphia Phillies | Cleveland Indians | Trade |
| Nov 30, 1972 | Trade | Roger Freed | Philadelphia Phillies | Cleveland Indians | Trade |
| Nov 30, 1972 | Trade | Jim Foor | Detroit Tigers | Pittsburgh Pirates | Trade |
| Nov 30, 1972 | Trade | Norm McRae | Detroit Tigers | Pittsburgh Pirates | Trade |
| Nov 30, 1972 | Trade | Dick Sharon | Pittsburgh Pirates | Detroit Tigers | Trade |
| Nov 30, 1972 | Trade | Earl Williams | Atlanta Braves | Baltimore Orioles | Trade |
| Nov 30, 1972 | Trade | Taylor Duncan | Atlanta Braves | Baltimore Orioles | Trade |
| Nov 30, 1972 | Trade | Davey Johnson | Baltimore Orioles | Atlanta Braves | Trade |
| Nov 30, 1972 | Trade | Pat Dobson | Baltimore Orioles | Atlanta Braves | Trade |
| Nov 30, 1972 | Trade | Roric Harrison | Baltimore Orioles | Atlanta Braves | Trade |
| Nov 30, 1972 | Trade | Johnny Oates | Baltimore Orioles | Atlanta Braves | Trade |
| Nov 29, 1972 | Trade | Tom Bradley | Chicago White Sox | San Francisco Giants | Trade |
| Nov 29, 1972 | Trade | Ken Henderson | San Francisco Giants | Chicago White Sox | Trade |
| Nov 29, 1972 | Trade | Steve Stone | San Francisco Giants | Chicago White Sox | Trade |
| Nov 29, 1972 | Trade | Larry Hisle | St. Louis Cardinals | Minnesota Twins | Trade |
| Nov 29, 1972 | Trade | John Cumberland | St. Louis Cardinals | Minnesota Twins | Trade |
| Nov 29, 1972 | Trade | Wayne Granger | Minnesota Twins | St. Louis Cardinals | Trade |
| Nov 28, 1972 | Trade | Andy Messersmith | California Angels | Los Angeles Dodgers | Trade |
| Nov 28, 1972 | Trade | Ken McMullen | California Angels | Los Angeles Dodgers | Trade |
| Nov 28, 1972 | Trade | Frank Robinson | Los Angeles Dodgers | California Angels | Trade |
| Nov 28, 1972 | Trade | Bill Singer | Los Angeles Dodgers | California Angels | Trade |
| Nov 28, 1972 | Trade | Mike Strahler | Los Angeles Dodgers | California Angels | Trade |
| Nov 28, 1972 | Trade | Billy Grabarkewitz | Los Angeles Dodgers | California Angels | Trade |
| Nov 28, 1972 | Trade | Bobby Valentine | Los Angeles Dodgers | California Angels | Trade |
| Nov 28, 1972 | Trade | Ray Busse | Houston Astros | St. Louis Cardinals | Trade |
| Nov 28, 1972 | Trade | Bobby Fenwick | Houston Astros | St. Louis Cardinals | Trade |
| Nov 28, 1972 | Trade | Skip Jutze | St. Louis Cardinals | Houston Astros | Trade |
| Nov 28, 1972 | Trade | Milt Ramirez | St. Louis Cardinals | Houston Astros | Trade |
| Nov 28, 1972 | Trade | Pat Jacquez | Cincinnati Reds | St. Louis Cardinals | Trade |
| Nov 28, 1972 | Trade | Bill Voss | St. Louis Cardinals | Cincinnati Reds | Trade |
| Nov 27, 1972 | Released | Jim Lefebvre | Los Angeles Dodgers | — | Release |
| Nov 27, 1972 | Trade | Graig Nettles | Cleveland Indians | New York Yankees | Trade |
| Nov 27, 1972 | Trade | Jerry Moses | Cleveland Indians | New York Yankees | Trade |
| Nov 27, 1972 | Trade | John Ellis | New York Yankees | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Jerry Kenney | New York Yankees | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Charlie Spikes | New York Yankees | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Rusty Torres | New York Yankees | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Bob Rauch | New York Mets | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Brent Strom | New York Mets | Cleveland Indians | Trade |
| Nov 27, 1972 | Trade | Phil Hennigan | Cleveland Indians | New York Mets | Trade |
| Nov 27, 1972 | Trade | Rich Chiles | Houston Astros | New York Mets | Trade |
| Nov 27, 1972 | Trade | Buddy Harris | Houston Astros | New York Mets | Trade |
| Nov 27, 1972 | Trade | Tommie Agee | New York Mets | Houston Astros | Trade |
| Nov 24, 1972 | Trade | Rob Gardner | New York Yankees | Oakland Athletics | Trade |
| Nov 24, 1972 | Trade | Matty Alou | Oakland Athletics | New York Yankees | Trade |
| Nov 21, 1972 | Trade | Bill North | Chicago Cubs | Oakland Athletics | Trade |
| Nov 21, 1972 | Trade | Bob Locker | Oakland Athletics | Chicago Cubs | Trade |
| Nov 16, 1972 | Signed as free agent | Chris Short | — | Milwaukee Brewers | Free agent signing |
| Nov 15, 1972 | Released | Joe Azcue | Milwaukee Brewers | — | Release |
| Nov 13, 1972 | Signed as free agent | Jose Pagan | — | Philadelphia Phillies | Free agent signing |
| Nov 6, 1972 | Signed | John Montefusco | — | San Francisco Giants | Amateur free agent signing |
| Nov 6, 1972 | Trade | Tim McCarver | Montreal Expos | St. Louis Cardinals | Trade |
| Nov 6, 1972 | Trade | Jorge Roque | St. Louis Cardinals | Montreal Expos | Trade |
| Nov 2, 1972 | Trade | Kurt Bevacqua | Cleveland Indians | Kansas City Royals | Trade |
| Nov 2, 1972 | Trade | Mike Hedlund | Kansas City Royals | Cleveland Indians | Trade |
| Nov 2, 1972 | Trade | George Stone | Atlanta Braves | New York Mets | Trade |
| Nov 2, 1972 | Trade | Felix Millan | Atlanta Braves | New York Mets | Trade |
| Nov 2, 1972 | Trade | Gary Gentry | New York Mets | Atlanta Braves | Trade |
| Nov 2, 1972 | Trade | Danny Frisella | New York Mets | Atlanta Braves | Trade |
| Oct 31, 1972 | Trade | Jim Lonborg | Milwaukee Brewers | Philadelphia Phillies | Trade |
| Oct 31, 1972 | Trade | Ken Sanders | Milwaukee Brewers | Philadelphia Phillies | Trade |
| Oct 31, 1972 | Trade | Ken Brett | Milwaukee Brewers | Philadelphia Phillies | Trade |
| Oct 31, 1972 | Trade | Earl Stephenson | Milwaukee Brewers | Philadelphia Phillies | Trade |
| Oct 31, 1972 | Trade | Don Money | Philadelphia Phillies | Milwaukee Brewers | Trade |
| Oct 31, 1972 | Trade | John Vukovich | Philadelphia Phillies | Milwaukee Brewers | Trade |
| Oct 31, 1972 | Trade | Bill Champion | Philadelphia Phillies | Milwaukee Brewers | Trade |
| Oct 30, 1972 | Trade | Bill McNulty | Oakland Athletics | Texas Rangers | Trade |
| Oct 30, 1972 | Trade | Paul Lindblad | Texas Rangers | Oakland Athletics | Trade |
| Oct 28, 1972 | Trade | Johnny Jeter | San Diego Padres | Chicago White Sox | Trade |
| Oct 28, 1972 | Trade | Vicente Romo | Chicago White Sox | San Diego Padres | Trade |
| Oct 27, 1972 | Released | Bob Burda | Boston Red Sox | — | Release |
| Oct 27, 1972 | Released | Ray Culp | Boston Red Sox | — | Release |
| Oct 27, 1972 | Released | Jerry McNertney | St. Louis Cardinals | — | Release |
| Oct 27, 1972 | Released | Gary Peters | Boston Red Sox | — | Release |
| Oct 27, 1972 | Trade | Gene Dusan | Oakland Athletics | St. Louis Cardinals | Trade |
| Oct 27, 1972 | Trade | Rick Dempsey | Minnesota Twins | New York Yankees | Trade |
| Oct 27, 1972 | Trade | Danny Walton | New York Yankees | Minnesota Twins | Trade |
| Oct 27, 1972 | Trade | Jim Panther | Texas Rangers | Atlanta Braves | Trade |
| Oct 27, 1972 | Trade | Rico Carty | Atlanta Braves | Texas Rangers | Trade |
| Oct 27, 1972 | Trade | Frank Estrada | Baltimore Orioles | Chicago Cubs | Trade |
| Oct 27, 1972 | Trade | Elrod Hendricks | Chicago Cubs | Baltimore Orioles | Trade |
| Oct 26, 1972 | Released | Chris Short | Philadelphia Phillies | — | Release |
| Oct 26, 1972 | Trade | Rudy Arroyo | St. Louis Cardinals | Los Angeles Dodgers | Trade |
| Oct 26, 1972 | Trade | Greg Millikan | St. Louis Cardinals | Los Angeles Dodgers | Trade |
| Oct 26, 1972 | Trade | Larry Hisle | Los Angeles Dodgers | St. Louis Cardinals | Trade |
| Oct 25, 1972 | Trade | Jim Rooker | Kansas City Royals | Pittsburgh Pirates | Trade |
| Oct 25, 1972 | Trade | Gene Garber | Pittsburgh Pirates | Kansas City Royals | Trade |
| Oct 24, 1972 | Released | Julian Javier | Cincinnati Reds | — | Release |
| Oct 24, 1972 | Released | Bill Mazeroski | Pittsburgh Pirates | — | Release |
| Oct 24, 1972 | Released | Jose Pagan | Pittsburgh Pirates | — | Release |
| Oct 24, 1972 | Released | Maury Wills | Los Angeles Dodgers | — | Release |
| Oct 24, 1972 | Trade | Fred Stanley | San Diego Padres | New York Yankees | Trade |
| Oct 24, 1972 | Trade | George Pena | New York Yankees | San Diego Padres | Trade |
| Oct 20, 1972 | Trade | Tom Phoebus | Chicago Cubs | Atlanta Braves | Trade |
| Oct 20, 1972 | Trade | Tony LaRussa | Atlanta Braves | Chicago Cubs | Trade |
| Oct 19, 1972 | Released | Ron Perranoski | Los Angeles Dodgers | — | Release |
| Oct 19, 1972 | Trade | Eddie Leon | Cleveland Indians | Chicago White Sox | Trade |
| Oct 19, 1972 | Trade | Walt Williams | Chicago White Sox | Cleveland Indians | Trade |
| Oct 10, 1972 | Signed | Tito Landrum | — | St. Louis Cardinals | Amateur free agent signing |
| Oct 10, 1972 | Released | Don McMahon | San Francisco Giants | — | Release |
| Oct 6, 1972 | Released | Moe Drabowsky | Chicago White Sox | — | Release |
| Oct 5, 1972 | Released | Bobby Knoop | Kansas City Royals | — | Release |
| Sep 24, 1972 | Signed as free agent | Bob Burda | — | Boston Red Sox | Free agent signing |
| Sep 23, 1972 | Released | Stan Williams | Boston Red Sox | — | Release |
| Sep 11, 1972 | Trade | Greg Schubert | Oakland Athletics | San Diego Padres | Trade |
| Sep 5, 1972 | Signed | Frank LaCorte | — | Atlanta Braves | Amateur free agent signing |
| Sep 1, 1972 | Signed as free agent | Hank Allen | — | Chicago White Sox | Free agent signing |
| Sep 1, 1972 | Trade | Bruce Kimm | Chicago White Sox | California Angels | Trade |
| Aug 31, 1972 | Trade | Casey Cox | Texas Rangers | New York Yankees | Trade |
| Aug 31, 1972 | Trade | Jim Roland | New York Yankees | Texas Rangers | Trade |
| Aug 30, 1972 | Trade | Dal Maxvill | St. Louis Cardinals | Oakland Athletics | Trade |
| Aug 30, 1972 | Trade | Joe Lindsey | Oakland Athletics | St. Louis Cardinals | Trade |
| Aug 29, 1972 | Signed | Gary Ward | — | Minnesota Twins | Amateur free agent signing |
| Aug 27, 1972 | Trade | Matty Alou | St. Louis Cardinals | Oakland Athletics | Trade |
| Aug 27, 1972 | Trade | Bill Voss | Oakland Athletics | St. Louis Cardinals | Trade |
| Aug 27, 1972 | Trade | Stephen Easton | Oakland Athletics | St. Louis Cardinals | Trade |
| Aug 25, 1972 | Released | Bob Burda | Boston Red Sox | — | Release |
| Aug 22, 1972 | Released | Chico Salmon | Baltimore Orioles | — | Release |
| Aug 21, 1972 | Signed | Dell Alston | — | New York Yankees | Amateur free agent signing |
| Aug 20, 1972 | Signed | Bruce Taylor | — | Cincinnati Reds | Amateur free agent signing |
| Aug 18, 1972 | Released | Steve Hamilton | Chicago Cubs | — | Release |
| Aug 18, 1972 | Trade | Tommy Davis | Chicago Cubs | Baltimore Orioles | Trade |
| Aug 18, 1972 | Trade | Elrod Hendricks | Baltimore Orioles | Chicago Cubs | Trade |
| Aug 17, 1972 | Signed | Allen Ripley | — | Boston Red Sox | Amateur free agent signing |
| Aug 17, 1972 | Trade | Bruce Miller | Chicago White Sox | California Angels | Trade |
| Aug 17, 1972 | Trade | Eddie Fisher | California Angels | Chicago White Sox | Trade |
| Aug 15, 1972 | Signed as free agent | Moe Drabowsky | — | Chicago White Sox | Free agent signing |
| Aug 15, 1972 | Signed | Sam Perlozzo | — | Minnesota Twins | Amateur free agent signing |
| Aug 15, 1972 | Trade | Andy Kosco | California Angels | Boston Red Sox | Trade |
| Aug 15, 1972 | Trade | Chris Coletta | Boston Red Sox | California Angels | Trade |
| Aug 9, 1972 | Released | Moe Drabowsky | St. Louis Cardinals | — | Release |
| Aug 7, 1972 | Released | Donn Clendenon | St. Louis Cardinals | — | Release |
| Aug 7, 1972 | Signed as free agent | Ron Perranoski | — | Los Angeles Dodgers | Free agent signing |
| Aug 4, 1972 | Signed | U. L. Washington | — | Kansas City Royals | Amateur free agent signing |
| Aug 1, 1972 | Signed as free agent | Tony Cloninger | — | Atlanta Braves | Free agent signing |
| Aug 1, 1972 | Signed | Fred Kuhaulua | — | California Angels | Amateur free agent signing |
| Jul 31, 1972 | Signed as free agent | Max Leon | — | Atlanta Braves | Free agent signing with first major-league team |
| Jul 31, 1972 | Released | Ron Perranoski | Detroit Tigers | — | Release |
| Jul 28, 1972 | Trade | Paul Ratliff | Milwaukee Brewers | California Angels | Trade |
| Jul 28, 1972 | Trade | Ron Clark | Milwaukee Brewers | California Angels | Trade |
| Jul 28, 1972 | Trade | Syd O'Brien | California Angels | Milwaukee Brewers | Trade |
| Jul 28, 1972 | Trade | Joe Azcue | California Angels | Milwaukee Brewers | Trade |
| Jul 26, 1972 | Released | Tony Cloninger | St. Louis Cardinals | — | Release |
| Jul 26, 1972 | Trade | Steve Lawson | Oakland Athletics | Texas Rangers | Trade |
| Jul 22, 1972 | Signed | Tippy Martinez | — | New York Yankees | Amateur free agent signing |
| Jul 21, 1972 | Released | Joe Gibbon | Houston Astros | — | Release |
| Jul 21, 1972 | Released | Hoyt Wilhelm | Los Angeles Dodgers | — | Release |
| Jul 20, 1972 | Released | Phil Regan | Chicago White Sox | — | Release |
| Jul 20, 1972 | Trade | Don Mincher | Texas Rangers | Oakland Athletics | Trade |
| Jul 20, 1972 | Trade | Ted Kubiak | Texas Rangers | Oakland Athletics | Trade |
| Jul 20, 1972 | Trade | Marty Martinez | Oakland Athletics | Texas Rangers | Trade |
| Jul 20, 1972 | Trade | Vic Harris | Oakland Athletics | Texas Rangers | Trade |
| Jul 19, 1972 | Released | Art Shamsky | Oakland Athletics | — | Release |
| Jul 16, 1972 | Trade | Don Eddy | Chicago White Sox | San Diego Padres | Trade |
| Jul 10, 1972 | Signed | Dick Davis | — | Milwaukee Brewers | Amateur free agent signing |
| Jul 10, 1972 | Released | Bobby Wine | Montreal Expos | — | Release |
| Jul 10, 1972 | Trade | Tom Hilgendorf | Kansas City Royals | Cleveland Indians | Trade |
| Jul 10, 1972 | Trade | Jim Clark | Cleveland Indians | Kansas City Royals | Trade |
| Jul 9, 1972 | Trade | Unnamed | Chicago White Sox | San Diego Padres | $ |
| Jul 9, 1972 | Trade | Ed Spiezio | San Diego Padres | Chicago White Sox | Trade |
| Jul 8, 1972 | Signed as free agent | John Hiller | — | Detroit Tigers | Free agent signing |
| Jul 7, 1972 | Signed | Claudell Washington | — | Oakland Athletics | Amateur free agent signing |
| Jul 6, 1972 | Signed as free agent | Tommy Davis | — | Chicago Cubs | Free agent signing |
| Jul 1, 1972 | Released | Denny Lemaster | Montreal Expos | — | Release |
| Jul 1972 | Signed as free agent | Billy Wynne | — | Montreal Expos | Free agent signing |
| Jul 1972 | Trade | Dave McDonald | Montreal Expos | New York Mets | Trade |
| Jul 1972 | Trade | Tommie Sheppard | New York Yankees | Montreal Expos | Trade |
| Jun 30, 1972 | Trade | Mario Guerrero | New York Yankees | Boston Red Sox | Trade |
| Jun 29, 1972 | Trade | Orlando Cepeda | Atlanta Braves | Oakland Athletics | Trade |
| Jun 29, 1972 | Trade | Denny McLain | Oakland Athletics | Atlanta Braves | Trade |
| Jun 27, 1972 | Released | Ron Hansen | Kansas City Royals | — | Release |
| Jun 24, 1972 | Trade | Bill Kelso | Montreal Expos | Chicago Cubs | Trade |
| Jun 20, 1972 | Trade | Ron Clark | Oakland Athletics | Milwaukee Brewers | Trade |
| Jun 20, 1972 | Trade | Bill Voss | Milwaukee Brewers | Oakland Athletics | Trade |
| Jun 20, 1972 | Trade | Rafael Robles | San Diego Padres | St. Louis Cardinals | Trade |
| Jun 20, 1972 | Trade | Mike Fiore | St. Louis Cardinals | San Diego Padres | Trade |
| Jun 20, 1972 | Trade | Bob Chlupsa | St. Louis Cardinals | San Diego Padres | Trade |
| Jun 16, 1972 | Released | Jim Qualls | Chicago White Sox | — | Release |
| Jun 16, 1972 | Trade | John Cumberland | San Francisco Giants | St. Louis Cardinals | Trade |
| Jun 16, 1972 | Trade | Jeffrey Mason | St. Louis Cardinals | San Francisco Giants | Trade |
| Jun 15, 1972 | Trade | Jim Nash | Atlanta Braves | Philadelphia Phillies | Trade |
| Jun 15, 1972 | Trade | Gary Neibauer | Atlanta Braves | Philadelphia Phillies | Trade |
| Jun 15, 1972 | Trade | Joe Hoerner | Philadelphia Phillies | Atlanta Braves | Trade |
| Jun 15, 1972 | Trade | Andre Thornton | Philadelphia Phillies | Atlanta Braves | Trade |
| Jun 14, 1972 | Trade | John Bateman | Montreal Expos | Philadelphia Phillies | Trade |
| Jun 14, 1972 | Trade | Tim McCarver | Philadelphia Phillies | Montreal Expos | Trade |
| Jun 13, 1972 | Signed as free agent | Stan Williams | — | Boston Red Sox | Free agent signing |
| Jun 13, 1972 | Trade | Unnamed | Houston Astros | Montreal Expos | $ |
| Jun 13, 1972 | Trade | John Dolinsek | Houston Astros | Montreal Expos | Trade |
| Jun 13, 1972 | Trade | Gary Sutherland | Montreal Expos | Houston Astros | Trade |
| Jun 11, 1972 | Trade | Mike Kilkenny | San Diego Padres | Cleveland Indians | Trade |
| Jun 11, 1972 | Trade | Fred Stanley | Cleveland Indians | San Diego Padres | Trade |
| Jun 11, 1972 | Trade | Bob Barton | San Diego Padres | Cincinnati Reds | Trade |
| Jun 11, 1972 | Trade | Pat Corrales | Cincinnati Reds | San Diego Padres | Trade |
| Jun 10, 1972 | Trade | Roger Repoz | California Angels | Baltimore Orioles | Trade |
| Jun 10, 1972 | Trade | Jerry DaVanon | Baltimore Orioles | California Angels | Trade |
| Jun 1, 1972 | Released | Stan Williams | California Angels | — | Release |
| May 30, 1972 | Trade | Norm McRae | Texas Rangers | Detroit Tigers | Trade |
| May 30, 1972 | Trade | Dalton Jones | Detroit Tigers | Texas Rangers | Trade |
| May 29, 1972 | Signed | Rafael Landestoy | — | Los Angeles Dodgers | Amateur free agent signing |
| May 29, 1972 | Trade | Tom Dukes | Baltimore Orioles | California Angels | Trade |
| May 29, 1972 | Trade | Frank Estrada | California Angels | Baltimore Orioles | Trade |
| May 28, 1972 | Trade | Marty Martinez | St. Louis Cardinals | Oakland Athletics | Trade |
| May 28, 1972 | Trade | Brant Alyea | Oakland Athletics | St. Louis Cardinals | Trade |
| May 26, 1972 | Trade | Curt Motton | Milwaukee Brewers | California Angels | Trade |
| May 26, 1972 | Trade | Archie Reynolds | California Angels | Milwaukee Brewers | Trade |
| May 25, 1972 | Signed as free agent | Joe Gibbon | — | Houston Astros | Free agent signing |
| May 22, 1972 | Released | Ron Klimkowski | Oakland Athletics | — | Release |
| May 22, 1972 | Signed as free agent | Ron Klimkowski | — | New York Yankees | Free agent signing |
| May 21, 1972 | Signed | Larry Parrish | — | Montreal Expos | Amateur free agent signing |
| May 21, 1972 | Signed | Rick Williams | — | Houston Astros | Amateur free agent signing |
| May 19, 1972 | Trade | Joe Hague | St. Louis Cardinals | Cincinnati Reds | Trade |
| May 19, 1972 | Trade | Bernie Carbo | Cincinnati Reds | St. Louis Cardinals | Trade |
| May 17, 1972 | Trade | Jack Aker | New York Yankees | Chicago Cubs | Trade |
| May 17, 1972 | Trade | Ollie Brown | San Diego Padres | Oakland Athletics | Trade |
| May 17, 1972 | Trade | Curt Blefary | Oakland Athletics | San Diego Padres | Trade |
| May 17, 1972 | Trade | Mike Kilkenny | Oakland Athletics | San Diego Padres | Trade |
| May 16, 1972 | Signed as free agent | Steve Barber | — | California Angels | Free agent signing |
| May 16, 1972 | Trade | Lowell Palmer | Chicago White Sox | St. Louis Cardinals | Trade |
| May 16, 1972 | Trade | Santiago Guzman | St. Louis Cardinals | Chicago White Sox | Trade |
| May 15, 1972 | Signed as free agent | Gary Waslewski | — | Oakland Athletics | Free agent signing |
| May 15, 1972 | Trade | Don Shaw | St. Louis Cardinals | Oakland Athletics | Trade |
| May 15, 1972 | Trade | Dwain Anderson | Oakland Athletics | St. Louis Cardinals | Trade |
| May 12, 1972 | Signed | Sal Butera | — | Minnesota Twins | Amateur free agent signing |
| May 11, 1972 | Released | Steve Barber | Atlanta Braves | — | Release |
| May 11, 1972 | Released | Joe Gibbon | Cincinnati Reds | — | Release |
| May 11, 1972 | Trade | Unnamed | New York Mets | San Francisco Giants | $50000 |
| May 11, 1972 | Trade | Charlie Williams | New York Mets | San Francisco Giants | Trade |
| May 11, 1972 | Trade | Willie Mays | San Francisco Giants | New York Mets | Trade |
| May 9, 1972 | Trade | Reggie Sanders | Oakland Athletics | Detroit Tigers | Trade |
| May 9, 1972 | Trade | Mike Kilkenny | Detroit Tigers | Oakland Athletics | Trade |
| May 8, 1972 | Signed as free agent | Tom Robson | — | Texas Rangers | Free agent signing |
| May 5, 1972 | Signed | Luis Rosado | — | New York Mets | Amateur free agent signing |
| May 5, 1972 | Trade | Bob Oliver | Kansas City Royals | California Angels | Trade |
| May 5, 1972 | Trade | Tom Murphy | California Angels | Kansas City Royals | Trade |
| May 2, 1972 | Released | Billy Cowan | California Angels | — | Release |
| Apr 30, 1972 | Released | Tom Robson | Cincinnati Reds | — | Release |
| Apr 28, 1972 | Signed as free agent | Jim Hardin | — | Atlanta Braves | Free agent signing |
| Apr 28, 1972 | Trade | Roe Skidmore | Chicago White Sox | Cincinnati Reds | Trade |
| Apr 24, 1972 | Signed as free agent | Stan Williams | — | California Angels | Free agent signing |
| Apr 20, 1972 | Signed | Miguel Dilone | — | Pittsburgh Pirates | Amateur free agent signing |
| Apr 20, 1972 | Signed as free agent | Jim Maloney | — | San Francisco Giants | Free agent signing (date approximate, per the source) |
| Apr 20, 1972 | Signed as free agent | Ron Taylor | — | San Diego Padres | Free agent signing |
| Apr 19, 1972 | Signed as free agent | Joe Horlen | — | Oakland Athletics | Free agent signing |
| Apr 15, 1972 | Signed as free agent | Tim Cullen | — | Oakland Athletics | Free agent signing |
| Apr 15, 1972 | Trade | Scipio Spinks | Houston Astros | St. Louis Cardinals | Trade |
| Apr 15, 1972 | Trade | Lance Clemons | Houston Astros | St. Louis Cardinals | Trade |
| Apr 15, 1972 | Trade | Jerry Reuss | St. Louis Cardinals | Houston Astros | Trade |
| Apr 14, 1972 | Signed as free agent | Art Shamsky | — | Chicago Cubs | Free agent signing |
| Apr 11, 1972 | Released | Don DeMola | New York Yankees | — | Release |
| Apr 10, 1972 | Trade | Dale Spier | New York Yankees | Baltimore Orioles | Trade |
| Apr 9, 1972 | Signed as free agent | Ramon de los Santos | — | Houston Astros | Free agent signing with first major-league team |
| Apr 9, 1972 | Released | Jim Maloney | St. Louis Cardinals | — | Release |
| Apr 9, 1972 | Released | Art Shamsky | St. Louis Cardinals | — | Release |
| Apr 9, 1972 | Released | Stan Williams | St. Louis Cardinals | — | Release |
| Apr 7, 1972 | Released | Fred Lasher | California Angels | — | Release |
| Apr 7, 1972 | Released | Billy Wynne | California Angels | — | Release |
| Apr 7, 1972 | Trade | Dan McGinn | Montreal Expos | Chicago Cubs | Trade |
| Apr 7, 1972 | Trade | Hector Torres | Chicago Cubs | Montreal Expos | Trade |
| Apr 7, 1972 | Trade | Hal Breeden | Chicago Cubs | Montreal Expos | Trade |
| Apr 5, 1972 | Signed as free agent | Ron Hansen | — | Kansas City Royals | Free agent signing |
| Apr 5, 1972 | Trade | Rusty Staub | Montreal Expos | New York Mets | Trade |
| Apr 5, 1972 | Trade | Ken Singleton | New York Mets | Montreal Expos | Trade |
| Apr 5, 1972 | Trade | Mike Jorgensen | New York Mets | Montreal Expos | Trade |
| Apr 5, 1972 | Trade | Tim Foli | New York Mets | Montreal Expos | Trade |
| Apr 3, 1972 | Released | Jim Hardin | New York Yankees | — | Release |
| Apr 3, 1972 | Released | Gary Waslewski | New York Yankees | — | Release |
| Apr 3, 1972 | Trade | Roy Foster | Texas Rangers | Cleveland Indians | Trade |
| Apr 3, 1972 | Trade | Tommy McCraw | Texas Rangers | Cleveland Indians | Trade |
| Apr 3, 1972 | Trade | Ted Ford | Cleveland Indians | Texas Rangers | Trade |
| Apr 2, 1972 | Released | Dave Boswell | Baltimore Orioles | — | Release |
| Apr 2, 1972 | Released | Joe Horlen | Chicago White Sox | — | Release |
| Mar 31, 1972 | Released | Aurelio Monteagudo | Milwaukee Brewers | — | Release |
| Mar 31, 1972 | Signed as free agent | Aurelio Monteagudo | — | San Diego Padres | Free agent signing |
| Mar 31, 1972 | Released | Don Pavletich | Milwaukee Brewers | — | Release |
| Mar 31, 1972 | Trade | Bernie Beckman | Detroit Tigers | Los Angeles Dodgers | Trade |
| Mar 31, 1972 | Trade | Floyd Weaver | Milwaukee Brewers | Chicago Cubs | Trade |
| Mar 31, 1972 | Trade | Odis McCowan | Milwaukee Brewers | Chicago Cubs | Trade |
| Mar 31, 1972 | Trade | Ray Newman | Chicago Cubs | Milwaukee Brewers | Trade |
| Mar 30, 1972 | Released | Tommy Davis | Oakland Athletics | — | Release |
| Mar 28, 1972 | Released | Ron Taylor | Montreal Expos | — | Release |
| Mar 27, 1972 | Released | Rich Robertson | San Francisco Giants | — | Release |
| Mar 26, 1972 | Trade | Frank Linzy | St. Louis Cardinals | Milwaukee Brewers | Trade |
| Mar 26, 1972 | Trade | Richard Stonum | Milwaukee Brewers | St. Louis Cardinals | Trade |
| Mar 25, 1972 | Signed | Manny Sarmiento | — | Cincinnati Reds | Amateur free agent signing |
| Mar 25, 1972 | Trade | Bob Reynolds | Milwaukee Brewers | Baltimore Orioles | Trade |
| Mar 25, 1972 | Trade | Chico Vaughns | Milwaukee Brewers | Philadelphia Phillies | Trade |
| Mar 25, 1972 | Trade | Buddy Bradford | Cincinnati Reds | Chicago White Sox | Trade |
| Mar 24, 1972 | Trade | Julian Javier | St. Louis Cardinals | Cincinnati Reds | Trade |
| Mar 24, 1972 | Trade | Tony Cloninger | Cincinnati Reds | St. Louis Cardinals | Trade |
| Mar 22, 1972 | Trade | Sparky Lyle | Boston Red Sox | New York Yankees | Trade |
| Mar 22, 1972 | Trade | Danny Cater | New York Yankees | Boston Red Sox | Trade |
| Mar 20, 1972 | Trade | Bob Burda | St. Louis Cardinals | Boston Red Sox | Trade |
| Mar 20, 1972 | Trade | Mike Fiore | Boston Red Sox | St. Louis Cardinals | Trade |
| Mar 15, 1972 | Signed | Orlando Ramirez | — | California Angels | Amateur free agent signing |
| Mar 11, 1972 | Signed as free agent | Ron Herbel | — | Minnesota Twins | Free agent signing |
| Mar 7, 1972 | Released | Tim Cullen | Texas Rangers | — | Release |
| Mar 4, 1972 | Trade | Jim Panther | Oakland Athletics | Texas Rangers | Trade |
| Mar 4, 1972 | Trade | Don Stanhouse | Oakland Athletics | Texas Rangers | Trade |
| Mar 4, 1972 | Trade | Denny McLain | Texas Rangers | Oakland Athletics | Trade |
| Mar 1, 1972 | Released | Ruben Amaro | Philadelphia Phillies | — | Release |
| Feb 25, 1972 | Trade | Rick Wise | Philadelphia Phillies | St. Louis Cardinals | Trade |
| Feb 25, 1972 | Trade | Steve Carlton | St. Louis Cardinals | Philadelphia Phillies | Trade |
| Feb 14, 1972 | Signed | Julio Gonzalez | — | Chicago Cubs | Amateur free agent signing |
| Feb 14, 1972 | Released | Ron Hansen | New York Yankees | — | Release |
| Feb 11, 1972 | Released | Ron Herbel | Atlanta Braves | — | Release |
| Feb 8, 1972 | Trade | Bobby Pfeil | Philadelphia Phillies | Milwaukee Brewers | Trade |
| Feb 1972 | Trade | John Donaldson | Detroit Tigers | Baltimore Orioles | Trade |
| Feb 1972 | Trade | Bill Burbach | Baltimore Orioles | Detroit Tigers | Trade |
| Jan 28, 1972 | Released | Claude Raymond | Montreal Expos | — | Release |
| Jan 26, 1972 | Trade | Andy Kosco | Milwaukee Brewers | California Angels | Trade |
| Jan 26, 1972 | Trade | Tommie Reynolds | California Angels | Milwaukee Brewers | Trade |
| Jan 20, 1972 | Released | Glenn Adams | Houston Astros | — | Release |
| Jan 20, 1972 | Trade | Johnny Callison | Chicago Cubs | New York Yankees | Trade |
| Jan 19, 1972 | Trade | Fred Beene | Baltimore Orioles | New York Yankees | Trade |
| Jan 18, 1972 | Released | Ty Cline | Cincinnati Reds | — | Release |
| Jan 18, 1972 | Signed as free agent | Steve Hamilton | — | Chicago Cubs | Free agent signing |
| Jan 18, 1972 | Released | Mike Hershberger | Chicago White Sox | — | Release |
| Jan 17, 1972 | Released | Chuck Hinton | Cleveland Indians | — | Release |
| Jan 4, 1972 | Signed as free agent | Jim Maloney | — | St. Louis Cardinals | Free agent signing |
| Jan 3, 1972 | Released | Jim Maloney | California Angels | — | Release |
| before the 1972 season | Signed | Kim Andrew | — | Baltimore Orioles | Amateur free agent signing |
| before the 1972 season | Signed | Jose Baez | — | Los Angeles Dodgers | Amateur free agent signing |
| before the 1972 season | Signed | Billy Baldwin | — | Detroit Tigers | Amateur free agent signing |
| before the 1972 season | Signed | Dave Cripe | — | Kansas City Royals | Amateur free agent signing |
| before the 1972 season | Signed | Mike Eden | — | San Francisco Giants | Amateur free agent signing |
| before the 1972 season | Signed | Don Kirkwood | — | California Angels | Amateur free agent signing |
| before the 1972 season | Signed | Jay Kleven | — | New York Mets | Amateur free agent signing |
| before the 1972 season | Signed | Tom Makowski | — | Detroit Tigers | Amateur free agent signing |
| before the 1972 season | Signed | Sheldon Mallory | — | Kansas City Royals | Amateur free agent signing |
| before the 1972 season | Signed as free agent | Mike McCormick | — | San Francisco Giants | Free agent signing |
| before the 1972 season | Signed | Mark Williams | — | Kansas City Royals | Amateur free agent signing |
Every row is mapped onto the same trade / signing / release vocabulary the modern feed uses, with the era’s own type description kept on each row. Club names are the names of the day (the Boston Braves years, the Brooklyn Dodgers years), and each links to the franchise it is today. Some dates are only partially known or flagged approximate by the source; they are shown exactly as published, never completed to a fake precise day.