Astros Roster & Staff
Transactions
| Date | Transaction |
| 02/18/12 | Houston Astros invited non-roster C Chris Wallace to spring training. |
| 02/18/12 | Houston Astros invited non-roster C Rene Garcia to spring training. |
| 02/16/12 | Houston Astros signed free agent SS Jose Martinez to a minor league contract. |
| 02/06/12 | Houston Astros signed free agent LF Justin Ruggiano to a minor league contract and invited him to spring training. |
| 02/06/12 | Houston Astros invited non-roster SS Jonathan Villar to spring training. |
| 02/06/12 | Houston Astros invited non-roster CF George Springer to spring training. |
| 02/06/12 | Houston Astros invited non-roster 1B Jonathan Singleton to spring training. |
| 02/06/12 | Houston Astros invited non-roster LF Jake Goebbert to spring training. |
| 02/06/12 | Houston Astros invited non-roster 2B Delino DeShields to spring training. |
| 02/03/12 | Houston Astros signed free agent SS Angel Heredia to a minor league contract. |
| 02/01/12 | Houston Astros sent SS Angel Sanchez outright to Oklahoma City RedHawks. |