Sugar Land Space Cowboys Roster & Staff
HOU Transactions
| Date | Transaction |
| 08/20/25 | RHP Jhosue Rodriguez assigned to DSL Astros Blue from DSL Astros Orange. |
| 08/20/25 | Houston Astros sent RHP Jordan Weems outright to Sugar Land Space Cowboys. |
| 08/19/25 | RHP Ramsey David assigned to Corpus Christi Hooks from Asheville Tourists. |
| 08/19/25 | Houston Astros sent RHP Luis Garcia on a rehab assignment to Corpus Christi Hooks. |
| 08/19/25 | Houston Astros sent LF Yordan Alvarez on a rehab assignment to Corpus Christi Hooks. |
| 08/19/25 | Houston Astros sent LF Yordan Alvarez on a rehab assignment to Corpus Christi Hooks. |
| 08/19/25 | Houston Astros sent RHP Luis Garcia on a rehab assignment to Corpus Christi Hooks. |
| 08/19/25 | RHP Ramsey David assigned to Corpus Christi Hooks from Asheville Tourists. |
| 08/19/25 | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| 08/19/25 | Houston Astros sent RF Pedro León on a rehab assignment to Sugar Land Space Cowboys. |
| 08/19/25 | Houston Astros recalled RHP Logan VanWey from Sugar Land Space Cowboys. |
| 08/18/25 | Asheville Tourists activated RHP Nolan DeVos. |
| 08/18/25 | RHP Nolan DeVos assigned to Asheville Tourists from Fayetteville Woodpeckers. |
| 08/18/25 | Corpus Christi Hooks transferred RHP Bryce Mayer to the Development List. |
| 08/18/25 | DSL Astros Orange placed C Emilio Gonzalez on the restricted list. |
| 08/18/25 | DSL Astros Orange placed C Emilio Gonzalez on the restricted list. |
| 08/18/25 | RHP Nolan DeVos assigned to Asheville Tourists from Fayetteville Woodpeckers. |
| 08/18/25 | Houston Astros selected the contract of RHP Tayler Scott from Sugar Land Space Cowboys. |
| 08/17/25 | SS Curtis Hebert assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/17/25 | RHP Ryan Verdugo assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/17/25 | RHP Ryan Verdugo assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/17/25 | SS Curtis Hebert assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/16/25 | RHP Héctor Neris elected free agency. |
| 08/16/25 | LF Cooper Hummel elected free agency. |
| 08/15/25 | Houston Astros sent RHP Lance McCullers Jr. on a rehab assignment to Sugar Land Space Cowboys. |
| 08/15/25 | Houston Astros sent LF Cooper Hummel outright to Sugar Land Space Cowboys. |
| 08/15/25 | Houston Astros sent RHP Héctor Neris outright to Sugar Land Space Cowboys. |
| 08/13/25 | Asheville Tourists placed RHP Jose Guedez on the 7-day injured list. |
| 08/13/25 | Sugar Land Space Cowboys placed LF Jacob Hurtubise on the 7-day injured list. |
| 08/13/25 | Houston Astros selected the contract of RHP Jordan Weems from Sugar Land Space Cowboys. |
| 08/13/25 | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| 08/12/25 | RHP Nolan DeVos assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 08/12/25 | RHP Norbis Diaz assigned to Asheville Tourists from FCL Astros. |
| 08/12/25 | RHP Norbis Diaz assigned to Asheville Tourists from FCL Astros. |
| 08/12/25 | Fayetteville Woodpeckers activated RHP Nolan DeVos. |
| 08/12/25 | RHP Nolan DeVos assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 08/12/25 | Sugar Land Space Cowboys activated RHP Luis Contreras. |
| 08/12/25 | Sugar Land Space Cowboys released RHP Nick Robertson. |
| 08/12/25 | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| 08/11/25 | RHP Luis Aguilar assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 08/11/25 | 2B Brandon Forrester assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/11/25 | Fayetteville Woodpeckers transferred 1B Justin Trimble to the Development List. |
| 08/11/25 | Fayetteville Woodpeckers activated 2B Brandon Forrester. |
| 08/11/25 | Fayetteville Woodpeckers released RHP Cam Brown. |
| 08/11/25 | Fayetteville Woodpeckers placed 2B Brandon Forrester on the 7-day injured list. |
| 08/11/25 | RHP Luis Aguilar assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 08/11/25 | 2B Brandon Forrester assigned to Fayetteville Woodpeckers from FCL Astros. |
| 08/11/25 | Houston Astros recalled LF Jacob Melton from Sugar Land Space Cowboys. |
| 08/11/25 | Houston Astros optioned LHP Colton Gordon to Sugar Land Space Cowboys. |
| 08/10/25 | Asheville Tourists activated RHP Dylan Howard. |