| | RP | Sent to Minors (Signed) |
| | SP | Removed From 10-Day DL (Lower back strain) |
| | SP | Recalled From Minors Rehab (Signed) |
| | SP | Sent to Minors for Rehabilitation (Signed) |
| | RP | Sent to Minors for Rehabilitation (Signed) |
| | RP | Signed to a Minor League Contract (Signed) |
| | RP | Called Up from Minors (Signed) |
| | RP | Placed on 10-Day DL (Right shoulder subluxation) |
| | SP | Placed on 10-Day DL (Lower back strain) |
| | SP | Reinstated From Restricted List (Signed) |
| | 2B | Sent to Minors for Rehabilitation (Signed) |
| | SP | Recalled From Minors Rehab (Signed) |
| | SS | Sent to Minors (Signed) |
| | SP | Sent to Minors for Rehabilitation (Signed) |
| | 2B | Removed From 10-Day DL (Strained left hamstring) |
| | 2B | Recalled From Minors Rehab (Signed) |
| | 2B | Sent to Minors for Rehabilitation (Signed) |
| | SP | Reinstated from Bereavement/Family Medical Emergency List (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Called Up from Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Called Up from Minors (Signed) |
| | SP | Placed on Bereavement/Family Medical Emergency List (Signed) |
| | SP | Reinstated From League Suspension (Signed) |
| | 2B | Signed to a Minor League Contract (Signed) |
| | RP | Sent to Minors for Rehabilitation (Signed) |
| | SP | Placed on Restricted List (suspended by league - 15 games) |
| | SP | Removed From 10-Day DL (Recovery from left knee surgery) |
| | SP | Recalled From Minors Rehab (Signed) |
| | 2B | Placed on 10-Day DL (Strained left hamstring) |
| | SS | Removed From 10-Day DL (Fractured left ankle) |
| | SS | Recalled From Minors Rehab (Signed) |
| | SP | Starting to Serve Suspension (Signed) |
| | SS | Sent to Minors for Rehabilitation (Signed) |
| | RP | NTR - Called Up From Minors (Signed) |
| | RP | Traded (for future considerations) To |
| | RP | Recalled From Minors Rehab (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Removed From 10-Day DL (Strained left hamstring) |
| | SP | Sent to Minors for Rehabilitation (Signed) |
| | SP | Removed From 10-Day DL (Left forearm flexor strain) |
| | SP | Recalled From Minors Rehab (Signed) |
| | RP | Sent to Minors for Rehabilitation (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Called Up from Minors (Signed) |
| | RP | Placed on 10-Day DL (Strained left hamstring) |
| | SP | Suspension Announced By League (six games) |
| | SS | Called Up from Minors (Signed) |
| | SS | Placed on 10-Day DL (Fractured left ankle) |
| | SP | Removed From 10-Day DL (Recovery from left knee surgery) |
| | SP | Sent to Minors for Rehabilitation (Signed) |
| | RP | Sent to Minors (Signed) |
| | 3B | Suspension Announced By League (80 games for violating MLB drug program) |
| | 3B | Released (Signed) |
| | RP | Placed on 10-Day DL (Recovery from right shoulder surgery) |
| | 2B | Placed on 10-Day DL (Recovery from left knee surgery) |
| | RP | Placed on 10-Day DL (Right shoulder strain) |
| | RP | Purchased From Minors (Signed) |
| | RP | Purchased From Minors (Signed) |
| | RF | Traded (for future considerations) From |
| | SP | Placed on 10-Day DL (Recovery from left knee surgery) |
| | SP | Placed on 10-Day DL (Recovery from left knee surgery) |
| | SP | Placed on 10-Day DL (Left forearm flexor strain) |
| | SP | Sent to Minors (Signed) |
| | 1B | Sent to Minors (Signed) |
| | C | Signed (three-year extension) |
| | C | Traded (for cash considerations) From |
| | 3B | Traded (for LHP Josh Taylor) To |
| | SS | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | RP | Sent to Minors (Signed) |
| | SP | Suspension Announced By League (15 games for domestic violence) |
| | C | Suspension Announced By League (50 games for violating MLB drug program) |
| | RP | Signed to a Minor League Contract (Signed) |
| | SP | Sent to Minors (Signed) |
| | SP | Sent to Minors (Signed) |
| | 1B | Retired (Signed) |
| | RF | Signed as Free Agent (five-year contract) |
| | RP | Acquired Off Waivers (Signed) To |
| | RP | Signed to a Minor League Contract (Signed) |
| | LF | Traded (for cash considerations) To |
| | RP | Designated for Assignment (Signed) |
| | 3B | Signed as Free Agent (one-year contract) |
| | 3B | Signed to a Minor League Contract (Signed) |
| | RF | Signed (wins arbitration) |
| | SS | Signed to a Minor League Contract (Signed) |
| | C | Signed to a Minor League Contract (Signed) |
| | C | Signed (avoids arbitration) |
| | SS | Signed (avoids arbitration) |
| | 2B | Signed (avoids arbitration) |
| | SP | Signed (avoids arbitration) |
| | SP | Signed (avoids arbitration) |
| | SP | Signed (avoids arbitration) |
| | SP | Signed (avoids arbitration) |
| | CF | Signed (avoids arbitration) |
| | C | Signed (avoids arbitration) |
| | RP | Signed (avoids arbitration) |
| | C | Signed to a Minor League Contract (Signed) |
| | SP | Signed (avoids arbitration) |
| | RP | Signed to a Minor League Contract (Signed) |
| | 3B | Signed to Play in Japan (Chiba Lotte Marines) |
| | 1B | Signed as Free Agent (two-year contract) |
| | RP | Signed to Play in Japan (Chiba Lotte Marines) |
| | SP | Acquired Off Waivers (Signed) To |
| | RP | Signed (avoids arbitration) |
| | SP | Purchased From Minors (Signed) |
| | SP | Purchased From Minors (Signed) |
| | 2B | Outrighted to Minors (Signed) |
| | LF | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | 3B | Declared Free Agency (Signed) |
| | LF | Purchased From Minors (Signed) |
| | 1B | Declared Free Agency (Signed) |
| | 2B | Refused Minor League Assignment - Free Agent (Signed) |
| | SP | Declared Free Agency (Signed) |
| | CF | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | RP | Declared Free Agency (Signed) |
| | SP | Signed (team option exercised) |
| | RP | Signed (team option exercised) |
| | 2B | Returned Drafted Player (declined by Rockies) |