Sugar Land Space Cowboys Roster & Staff
HOU Transactions
| Date | Transaction |
| 01/15/26 | Houston Astros signed free agent OF Jack Valbrune to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent SS Albert Fermin to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent SS Randy Arias to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent C Fraimy Sanchez to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent RHP Maximiliano Villanueva to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent SS Sebastian Mendez to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent OF Brayan Mendez to a minor league contract. |
| 01/15/26 | Houston Astros signed free agent OF Imanol Feliz to a minor league contract. |
| 01/13/26 | Houston Astros signed free agent RF Kellen Strahm to a minor league contract. |
| 01/12/26 | RHP Joel Jimenez assigned to DSL Astros Blue. |
| 01/12/26 | 2B Riley Unroe assigned to Sugar Land Space Cowboys. |
| 01/12/26 | Houston Astros signed free agent 2B Riley Unroe to a minor league contract. |
| 01/06/26 | 3B James Nelson assigned to Corpus Christi Hooks. |
| 01/06/26 | Houston Astros signed free agent 3B James Nelson to a minor league contract. |