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On This Day in Baseball History: October 20
Sources Lahman People + MLB StatsAPI0 debuts31 transactions
Every major-league debut, final game, transaction, birth and death recorded for October 20, newest first. Player names link to career pages where one exists, and each season links onward to that year’s awards and postseason archives.
Debuts0
Final games0
Transactions31
Born48
Died33
| Year | Player | That season |
|---|---|---|
| No major-league debuts are recorded for this date. | ||
| Year | Player | That season |
|---|---|---|
| No final games are recorded for this date. | ||
| Year | Move | From | To |
|---|---|---|---|
| 2025 | Houston Astros signed free agent RHP Nate Pearson. 2025 transaction archive | - |  |
| 2025 | New York Mets signed free agent LHP Joe Jacques to a minor league contract. 2025 transaction archive | - |  |
| 2025 | Atlanta Braves signed free agent C Austin Nola to a minor league contract. 2025 transaction archive | - |  |
| 2025 | Baltimore Orioles signed free agent LHP Christian Rojas to a minor league contract. 2025 transaction archive | - |  |
| 2025 | Baltimore Orioles signed free agent LHP Scarling Sterling to a minor league contract. 2025 transaction archive | - | |
| 2025 | Baltimore Orioles signed free agent RHP Gabriel Fuentes to a minor league contract. 2025 transaction archive | - | |
| 2025 | Cleveland Guardians signed free agent RHP Antonio Gonzalez to a minor league contract. 2025 transaction archive | - |  |
| 2025 | St. Louis Cardinals signed free agent LHP Juan Santillan to a minor league contract. 2025 transaction archive | - |  |
| 2025 | Los Angeles Dodgers signed free agent RHP Micheal Morfe to a minor league contract. 2025 transaction archive | - |  |
| 2023 | Los Angeles Angels signed free agent RHP Jose Fermin to a minor league contract. 2023 transaction archive | - |  |
| 2022 | Minnesota Twins signed free agent RHP Fabian Monsalve to a minor league contract. 2022 transaction archive | - |  |
| 2022 | New York Mets signed free agent RHP Alejandro Ramirez to a minor league contract. 2022 transaction archive | - | |
| 2021 | Los Angeles Dodgers traded RHP Zach Willeman to Kansas City Royals. 2021 transaction archive | |  |
| 2021 | Chicago Cubs signed free agent SS Alejandro Rivero to a minor league contract. 2021 transaction archive | - |  |
| 2021 | Toronto Blue Jays signed free agent IF Gregori Cano to a minor league contract. 2021 transaction archive | - |  |
| 2018 | St. Louis Cardinals signed free agent LHP Michael Ozoria to a minor league contract. 2018 transaction archive | - | |
| 2018 | St. Louis Cardinals signed free agent RHP Engels Martinez to a minor league contract. 2018 transaction archive | - | |
| 2017 | Minnesota Twins signed free agent RHP Kai-Wei Teng to a minor league contract. 2017 transaction archive | - | |
| 2017 | Los Angeles Dodgers signed free agent RHP Martin Santana to a minor league contract. 2017 transaction archive | - | |
| 2016 | Atlanta Braves signed free agent RF Matt Tuiasosopo to a minor league contract. 2016 transaction archive | - | |
| 2016 | Tampa Bay Rays signed free agent LHP Eduardo Perez to a minor league contract. 2016 transaction archive | - |  |
| 2016 | Tampa Bay Rays signed free agent 1B Bryan Santos to a minor league contract. 2016 transaction archive | - | |
| 2014 | New York Mets signed free agent LHP Kyle Regnault to a minor league contract. 2014 transaction archive | - | |
| 2014 | Philadelphia Phillies signed free agent C John Hester to a minor league contract and invited him to spring training. 2014 transaction archive | - |  |
| 2014 | San Francisco Giants signed free agent RHP Norwith Gudino to a minor league contract. 2014 transaction archive | - |  |
| 2014 | Kansas City Royals signed free agent LHP Sandro Cabrera to a minor league contract. 2014 transaction archive | - | |
| 2013 | Chicago White Sox signed free agent RHP Nelson Acosta to a minor league contract. 2013 transaction archive | - |  |
| 2012 | Arizona Diamondbacks traded CF Chris Young to Oakland Athletics for SS Cliff Pennington, Yordy Cabrera and Yordy Cabrera. 2012 transaction archive |  |  |
| 2012 | Miami Marlins traded RHP Heath Bell to Arizona Diamondbacks for SS Yordy Cabrera. 2012 transaction archive |  | |
| 2011 | Kansas City Royals signed free agent LHP Enmanuel Camacho to a minor league contract. 2011 transaction archive | - | |
| 2011 | Chicago White Sox signed free agent OF Yoandy Barroso to a minor league contract. 2011 transaction archive | - | |
| Year | Player |
|---|---|
| 2004 | Bryce Eldridge |
| 2000 | Carson Whisenhunt |
| 1998 | José Soriano |
| 1994 | Ronald Guzman |
| 1993 | Chris Shaw |
| 1992 | Trevor Kelley |
| 1992 | Tyler Goeddel |
| 1990 | Ty Blach |
| 1988 | Gus Schlosser |
| 1988 | Michael Mariot |
| 1987 | Edwar Cabrera |
| 1980 | Jose Veras |
| 1979 | Choo Freeman |
| 1969 | Juan Gonzalez |
| 1968 | Rudy Seanez |
| 1967 | Harvey Pulliam |
| 1966 | Jonathan Hurst |
| 1963 | Luis Encarnacion |
| 1962 | Randy Asadoor |
| 1961 | Keith Smith |
| 1959 | Don Heinkel |
| 1957 | Rick Ownbey |
| 1953 | Keith Hernandez |
| 1952 | Dave Collins |
| 1947 | Rafael Robles |
| 1943 | Bobby Floyd |
| 1937 | Juan Marichal |
| 1931 | Mickey Mantle |
| 1930 | Bill Froats |
| 1928 | Mickey Micelotta |
| 1926 | Leon Brinkopf |
| 1920 | Pat McGlothin |
| 1919 | Jack Franklin |
| 1909 | Bruce Campbell |
| 1903 | Archie Campbell |
| 1900 | Jimmy Uchrinscko |
| 1897 | Arnold Statz |
| 1897 | Tom Connelly |
| 1896 | Wid Matthews |
| 1894 | John Russell |
| 1894 | Toots Coyne |
| 1894 | Wickey McAvoy |
| 1883 | Cuke Barrows |
| 1871 | Skel Roach |
| 1869 | William Stecher |
| 1864 | Jocko Fields |
| 1863 | Pat Hartnett |
| 1862 | Marty Sullivan |
| Year | Player | Age |
|---|---|---|
| 2023 | Pete Ladd | 67 |
| 2020 | Hal Dues | 66 |
| 2020 | Tom Yewcic | 88 |
| 2014 | Jim Dunegan | 67 |
| 2012 | Dave May | 68 |
| 2010 | Bill Jennings | 85 |
| 2010 | Otey Clark | 95 |
| 2010 | Tony Roig | 81 |
| 2008 | Joe Lutz | 83 |
| 2004 | Chuck Hiller | 70 |
| 2002 | Mel Harder | 93 |
| 1999 | Earl Turner | 76 |
| 1992 | Spider Wilhelm | 63 |
| 1985 | Hal Goldsmith | 87 |
| 1979 | Cy Slapnicka | 93 |
| 1976 | Freddie Muller | 68 |
| 1973 | Red Miller | 76 |
| 1972 | Allen Russell | 79 |
| 1968 | Turner Barber | 75 |
| 1964 | John Whitehead | 55 |
| 1962 | Tim Murchison | 66 |
| 1960 | Lew Groh | 77 |
| 1958 | Rex Dawson | 70 |
| 1949 | Dick Rudolph | 62 |
| 1948 | Ed Kusel | 62 |
| 1936 | George Kelb | 66 |
| 1934 | Paddy Greene | 59 |
| 1933 | Lou Gertenrich | 58 |
| 1921 | Jack Hardy | 44 |
| 1912 | John Skopec | 32 |
| 1910 | George Ewell | 59 |
| 1906 | Buck Ewing | 47 |
| 1898 | Curry Foley | 42 |
About these records
Every dated event on this page is read directly from the source tables: debuts, final games, birth dates and death dates from the SABR / Sean Lahman baseball database (2025 edition, People table), used under Creative Commons Attribution-ShareAlike 3.0, and transactions from the official MLB StatsAPI transactions archive captured through 2026-10-22. Nothing is inferred: a record appears here only when the source carries a complete month and day for October 20.
Honesty notes: the staged People table records complete dates or none, and no partial dates had to be excluded. Missing dates are not unknowns everywhere: an empty death date means the player is living (10,918 rows), an empty final-game date means no end date is recorded (1,932 rows), and 398 rows have no birth date. Early records reach back to the 1870s; 19th-century dates reflect the best retrospective research in the source and are shown exactly as recorded. Award winners and postseason series are staged by season with no calendar day in the source, so they are linked from each season above instead of being dated here. The transaction window covers 2011 to 2026 only. Player names link to career pages for every player who has one.
See the sources page for every dataset behind Legends Deck.