Sugar Land Space Cowboys Roster & Staff
HOU Transactions
| Date | Transaction |
| 12/24/25 | RHP Samil Valdivieso assigned to DSL Astros Blue. |
| 12/13/25 | C Luis De Leon assigned to DSL Astros Orange from DSL Astros Blue. |
| 12/13/25 | C Luis De Leon assigned to DSL Astros Orange from DSL Astros Blue. |
| 12/13/25 | C Luis De Leon assigned to DSL Astros Orange from DSL Astros Blue. |
| 12/12/25 | Houston Astros signed free agent RHP Frederi Altagracia to a minor league contract. |
| 12/12/25 | Houston Astros signed free agent RHP Cristian Ron to a minor league contract. |
| 12/10/25 | RF Edwin Sanchez assigned to Sugar Land Space Cowboys. |
| 12/10/25 | RHP Trey McLoughlin assigned to Sugar Land Space Cowboys. |
| 12/05/25 | Houston Astros sent RHP Logan VanWey outright to Sugar Land Space Cowboys. |
| 12/05/25 | Houston Astros sent LF Taylor Trammell outright to Sugar Land Space Cowboys. |
| 12/04/25 | RHP Nico Zeglin assigned to Asheville Tourists. |