Rockies Roster & Staff
Transactions
| Date | Transaction |
| 07/31/12 | Charlie Culberson assigned to Colorado Springs Sky Sox from Colorado Rockies. |
| 07/31/12 | Jonathan Herrera roster status changed by Colorado Rockies. |
| 07/31/12 | Colorado Rockies optioned Tommy Field to Colorado Springs Sky Sox. |
| 07/28/12 | Colorado Rockies recalled Tommy Field from Colorado Springs Sky Sox. |
| 07/28/12 | Colorado Rockies traded 2B Marco Scutaro to San Francisco Giants for 2B Charlie Culberson. |
| 07/28/12 | Tommy Field roster status changed by Colorado Rockies. |
| 07/28/12 | Colorado Rockies traded 2B Marco Scutaro to San Francisco Giants for 2B Charlie Culberson. |
| 07/27/12 | Colorado Rockies optioned LHP Edwar Cabrera to Colorado Springs Sky Sox. |
| 07/27/12 | Colorado Rockies activated 1B Todd Helton from the 15-day disabled list. |
| 07/24/12 | Colorado Rockies recalled Edwar Cabrera from Colorado Springs Sky Sox. |
| 07/24/12 | Colorado Rockies placed 1B Jason Giambi on the 15-day disabled list retroactive to July 21, 2012. Viral Syndrome. |
| 07/24/12 | Colorado Rockies recalled Edwar Cabrera from Colorado Springs Sky Sox. |
| 07/23/12 | Colorado Rockies signed free agent LF Chris Pettit to a minor league contract. |
| 07/20/12 | Kansas City Royals traded LHP Jonathan Sanchez to Colorado Rockies for RHP Jeremy Guthrie. |
| 07/20/12 | Kansas City Royals traded LHP Jonathan Sanchez to Colorado Rockies for RHP Jeremy Guthrie. |
| 07/19/12 | Colorado Rockies signed free agent OF Jeremy McLeod to a minor league contract. |
| 07/17/12 | Colorado Rockies selected the contract of Andrew Brown from Colorado Springs Sky Sox. |
| 07/17/12 | Colorado Rockies placed 2B Jonathan Herrera on the 15-day disabled list retroactive to July 16, 2012. infection in left wrist |
| 07/17/12 | Colorado Rockies signed free agent RHP Michael Solbach to a minor league contract. |
| 07/17/12 | Colorado Rockies transferred RHP Juan Nicasio from the 15-day disabled list to the 60-day disabled list. |
| 07/17/12 | Colorado Rockies recalled DJ LeMahieu from Colorado Springs Sky Sox. |
| 07/17/12 | Colorado Rockies placed 3B Chris Nelson on the 15-day disabled list retroactive to July 16, 2012. irregular heart beat |
| 07/13/12 | Colorado Rockies transferred LHP Jorge De La Rosa from the 15-day disabled list to the 60-day disabled list. |
| 07/13/12 | Colorado Rockies selected the contract of Josh Rutledge from Tulsa Drillers. |
| 07/13/12 | Colorado Rockies selected the contract of RHP Mike Ekstrom from Colorado Springs Sky Sox. |
| 07/13/12 | Colorado Rockies optioned Tyler Chatwood to Tulsa Drillers. |
| 07/13/12 | Colorado Rockies activated C Ramon Hernandez from the 15-day disabled list. |
| 07/13/12 | Colorado Rockies placed C Wil Nieves on the 15-day disabled list retroactive to July 9, 2012. Turf toe in right foot. |
| 07/13/12 | Colorado Rockies placed 1B Todd Helton on the 15-day disabled list retroactive to July 9, 2012. Right hip inflammation. |
| 07/07/12 | Colorado Rockies signed free agent SS Ashley Graeter to a minor league contract. |
| 07/04/12 | Colorado Rockies recalled Carlos Torres from Colorado Springs Sky Sox. |
| 07/04/12 | Colorado Rockies optioned Josh Outman to Tulsa Drillers. |
| 07/02/12 | Colorado Rockies signed RHP Matt Flemer. |
| 07/02/12 | Colorado Rockies signed free agent RHP Julian Fernandez to a minor league contract. |
| 07/02/12 | Colorado Rockies signed free agent RHP Tim Sexton to a minor league contract. |
| 07/01/12 | Colorado Springs Sky Sox recalled Guillermo Moscoso from Colorado Rockies. |
| 07/01/12 | Colorado Rockies recalled Drew Pomeranz from Colorado Springs Sky Sox. |