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| Date | Type | Move |
|---|---|---|
| 2026-09-22 | Outright | Colorado Rockies sent SS Vimael Machín outright to ACL Rockies. |
| 2026-09-19 | DFA | Colorado Rockies designated SS Vimael Machín for assignment. |
| 2026-09-05 | Outright | Colorado Rockies sent RF Tyler Freeman outright to Albuquerque Isotopes. |
| 2026-09-04 | Waiver claim | Colorado Rockies claimed LHP Hayden Harris off waivers from Atlanta Braves. |
| 2026-08-22 | Outright | Colorado Rockies sent LHP Parker Mushinski outright to Albuquerque Isotopes. |
| 2026-08-19 | DFA | Colorado Rockies designated LHP Parker Mushinski for assignment. |
| 2026-08-17 | DFA | Colorado Rockies designated RHP Michael Lorenzen for assignment. |
| 2026-08-13 | Outright | Colorado Rockies sent 2B Edouard Julien outright to Albuquerque Isotopes. |
| 2026-08-11 | DFA | Colorado Rockies designated 2B Edouard Julien for assignment. |
| 2026-07-03 | Outright | Colorado Rockies sent RHP John Brebbia outright to Albuquerque Isotopes. |
| 2026-07-01 | DFA | Colorado Rockies designated RHP John Brebbia for assignment. |
| 2026-06-25 | Outright | Colorado Rockies sent LHP Sammy Peralta outright to Albuquerque Isotopes. |
| 2026-06-21 | DFA | Colorado Rockies designated LHP Sammy Peralta for assignment. |
| 2026-06-13 | Outright | Colorado Rockies sent RHP Valente Bellozo outright to Albuquerque Isotopes. |
| 2026-06-10 | Outright | Colorado Rockies sent RHP Keegan Thompson outright to Albuquerque Isotopes. |
| 2026-06-09 | DFA | Colorado Rockies designated RHP Keegan Thompson for assignment. |
| 2026-05-23 | Waiver claim | Texas Rangers claimed 1B Blaine Crim off waivers from Colorado Rockies. |
| 2026-05-21 | DFA | Colorado Rockies designated LHP Carson Palmquist for assignment. |
| 2026-05-20 | DFA | Colorado Rockies designated 1B Blaine Crim for assignment. |
| 2026-04-27 | Waiver claim | St. Louis Cardinals claimed LHP Luis Peralta off waivers from Colorado Rockies. |
| 2026-04-21 | DFA | Colorado Rockies designated LHP Luis Peralta for assignment. |
| 2026-04-21 | Waiver claim | Colorado Rockies claimed RHP Blas Castaño off waivers from Seattle Mariners. |
| 2026-04-04 | Waiver claim | Colorado Rockies claimed LHP Sammy Peralta off waivers from Milwaukee Brewers. |
| 2026-03-25 | DFA | Colorado Rockies designated RHP Keegan Thompson for assignment. |
| 2026-03-25 | Outright | Colorado Rockies sent RHP Keegan Thompson outright to Albuquerque Isotopes. |
| 2026-02-04 | Waiver claim | New York Yankees claimed RF Yanquiel Fernández off waivers from Colorado Rockies. |
| 2026-02-03 | Waiver claim | Miami Marlins claimed RHP Garrett Acton off waivers from Colorado Rockies. |
| 2026-01-28 | DFA | Colorado Rockies designated RF Yanquiel Fernández for assignment. |
| 2026-01-22 | DFA | Colorado Rockies designated RHP Garrett Acton for assignment. |
| 2026-01-15 | DFA | Colorado Rockies designated RHP Bradley Blalock for assignment. |
| 2026-01-07 | Waiver claim | Colorado Rockies claimed RHP Keegan Thompson off waivers from Cincinnati Reds. |
Waiver rows: the official MLB StatsAPI transaction feed's waiver-claim, designated-for-assignment and outright-assignment entries involving the club on either side, 2026 season to date. Free-agency elections that follow a DFA are a different feed type and stay on the transaction log. Every trade, signing and release involving the Rockies is also staged: see the 2026 Rockies transaction log or the full 1945-2026 transaction archive.