Rockies Roster & Staff
Transactions
| Date | Transaction |
| 11/30/18 | LHP Sam Howard elected free agency. |
| 11/29/18 | Colorado Rockies signed free agent SS Peter Mooney to a minor league contract and invited him to spring training. |
| 11/26/18 | Colorado Rockies signed free agent LHP Martin Zamora to a minor league contract. |
| 11/26/18 | New York Mets claimed 1B Jordan Patterson off waivers from Colorado Rockies. |
| 11/26/18 | Colorado Rockies signed free agent RHP Christopher Osorio to a minor league contract. |
| 11/20/18 | New York Yankees traded RHP Jordan Foley to Colorado Rockies for RHP Jefry Valdez. |
| 11/20/18 | Colorado Rockies selected the contract of Ryan Castellani from Hartford Yard Goats. |
| 11/20/18 | Colorado Rockies selected the contract of Sam Hilliard from Hartford Yard Goats. |
| 11/20/18 | Colorado Rockies designated 1B Jordan Patterson for assignment. |
| 11/20/18 | Colorado Rockies selected the contract of Justin Lawrence from Lancaster JetHawks. |
| 11/20/18 | New York Yankees traded RHP Jordan Foley to Colorado Rockies for RHP Jefry Valdez. |
| 11/20/18 | Colorado Rockies selected the contract of Josh Fuentes from Albuquerque Isotopes. |
| 11/19/18 | Colorado Rockies signed free agent C Brett Nicholas to a minor league contract. |
| 11/16/18 | Colorado Rockies signed free agent RHP Kenny Koplove to a minor league contract. |
| 11/16/18 | Colorado Rockies signed free agent RHP Ashton Goudeau to a minor league contract. |
| 11/13/18 | Colorado Rockies signed free agent RHP Brandon Brennan to a minor league contract. |
| 11/10/18 | Colorado Rockies signed free agent RHP Sergio Sanchez to a minor league contract. |
| 11/10/18 | Colorado Rockies signed free agent RHP Juan Vargas to a minor league contract. |
| 11/07/18 | Colorado Rockies signed free agent RHP David Holman to a minor league contract. |
| 11/02/18 | Colorado Rockies activated LHP Mike Dunn from the 60-day injured list. |
| 11/02/18 | Rayan Gonzalez roster status changed by Colorado Rockies. |
| 11/02/18 | Yonathan Daza roster status changed by Colorado Rockies. |