Astros Roster & Staff
Transactions
| Date | Transaction |
| 02/28/20 | Houston Astros signed free agent RHP Alimber Santa to a minor league contract. |
| 02/27/20 | RHP Devin Conn assigned to Houston Astros. |
| 02/27/20 | RHP Joey Gonzalez assigned to Houston Astros. |
| 02/26/20 | SS Luis Santana assigned to Houston Astros. |
| 02/26/20 | SS Anibal Sierra assigned to Houston Astros. |
| 02/26/20 | C Scott Manea assigned to Houston Astros. |
| 02/26/20 | C Colton Shaver assigned to Houston Astros. |
| 02/26/20 | 3B Rolando Espinosa assigned to Houston Astros. |
| 02/26/20 | C Michael Papierski assigned to Houston Astros. |
| 02/26/20 | C Cesar Salazar assigned to Houston Astros. |
| 02/25/20 | RHP Willy Collado assigned to Houston Astros. |
| 02/24/20 | Houston Astros signed free agent RHP Carlos Hiraldo to a minor league contract. |
| 02/24/20 | LHP Brett Adcock assigned to Houston Astros. |
| 02/24/20 | OF Corey Julks assigned to Houston Astros. |
| 02/23/20 | RHP Carson LaRue assigned to Houston Astros. |
| 02/23/20 | RF Bryan De La Cruz assigned to Houston Astros. |
| 02/23/20 | 1B J.J. Matijevic assigned to Houston Astros. |
| 02/23/20 | SS Marty Costes assigned to Houston Astros. |
| 02/23/20 | RHP Carlos Sanabria assigned to Houston Astros. |
| 02/23/20 | RHP Justin Ferrell assigned to Houston Astros. |
| 02/22/20 | SS Grae Kessinger assigned to Houston Astros. |
| 02/22/20 | CF Jake Meyers assigned to Houston Astros. |
| 02/22/20 | RHP Ronel Blanco assigned to Houston Astros. |
| 02/22/20 | OF Ross Adolph assigned to Houston Astros. |
| 02/22/20 | SS Miguelangel Sierra assigned to Houston Astros. |
| 02/22/20 | LHP Kit Scheetz assigned to Houston Astros. |
| 02/22/20 | 1B Jake Adams assigned to Houston Astros. |
| 02/22/20 | RHP Colin McKee assigned to Houston Astros. |
| 02/22/20 | RHP Nick Hernandez assigned to Houston Astros. |
| 02/17/20 | Houston Astros placed RHP Francis Martes on the restricted list. |
| 02/17/20 | Houston Astros signed free agent RHP Jared Hughes to a minor league contract and invited him to spring training. |
| 02/10/20 | Cionel Perez changed number to . |
| 02/10/20 | Abraham Toro changed number to 31. |
| 02/10/20 | Myles Straw changed number to 3. |
| 02/10/20 | Martin Maldonado changed number to 15. |
| 02/10/20 | RF Myles Straw changed number to 3. |
| 02/10/20 | RF Myles Straw changed number to 42. |