As always, there was a lot of roster moves in the Astros minor league system. Keep up with all of them right here!
SUGAR LAND SPACE COWBOYS (Triple-A)
| 05/09/26 | Houston Astros optioned LF Rhylan Thomas to Sugar Land Space Cowboys. |
| 05/09/26 | Houston Astros recalled RHP Jayden Murray from Sugar Land Space Cowboys. |
| 05/08/26 | Sugar Land Space Cowboys activated C Fernando Caldera from the Development List. |
| 05/08/26 | LF Dustin Harris elected free agency. |
| 05/08/26 | Sugar Land Space Cowboys transferred SS Reylin Perez to the Development List. |
| 05/08/26 | Houston Astros selected the contract of RHP Logan VanWey from Sugar Land Space Cowboys. |
| 05/08/26 | Houston Astros sent LF Dustin Harris outright to Sugar Land Space Cowboys. |
| 05/07/26 | Sugar Land Space Cowboys activated RHP Jason Alexander. |
| 05/07/26 | CF Daniel Johnson assigned to Sugar Land Space Cowboys. |
| 05/07/26 | SS Tommy Sacco Jr. assigned to Sugar Land Space Cowboys from Corpus Christi Hooks. |
| 05/07/26 | Houston Astros optioned RHP Jason Alexander to Sugar Land Space Cowboys. |
| 05/06/26 | Sugar Land Space Cowboys released RHP Amos Willingham. |
| 05/06/26 | CF Daniel Johnson elected free agency. |
| 05/06/26 | Houston Astros recalled 3B Shay Whitcomb from Sugar Land Space Cowboys. |
| 05/06/26 | Houston Astros sent CF Daniel Johnson outright to Sugar Land Space Cowboys. |
| 05/05/26 | Houston Astros sent RHP Nate Pearson on a rehab assignment to Sugar Land Space Cowboys. |
| 05/05/26 | Sugar Land Space Cowboys activated RHP Ryan Weiss. |
| 05/05/26 | Houston Astros sent RHP Tatsuya Imai on a rehab assignment to Sugar Land Space Cowboys. |
| 05/05/26 | Sugar Land Space Cowboys transferred RHP Jose Fleury to the Development List. |
| 05/05/26 | Houston Astros sent LHP Josh Hader on a rehab assignment to Sugar Land Space Cowboys. |
| 05/05/26 | Houston Astros optioned RHP Ryan Weiss to Sugar Land Space Cowboys. |
| 05/05/26 | Houston Astros recalled LF Zach Dezenzo from Sugar Land Space Cowboys. |
| 05/05/26 | Houston Astros recalled RHP Jason Alexander from Sugar Land Space Cowboys. |
| 05/04/26 | Sugar Land Space Cowboys activated 3B Shay Whitcomb. |
| 05/04/26 | Sugar Land Space Cowboys activated LF Zach Dezenzo. |
| 05/04/26 | Houston Astros recalled CF Zach Cole from Sugar Land Space Cowboys. |
| 05/04/26 | Houston Astros selected the contract of C César Salazar from Sugar Land Space Cowboys. |
| 05/04/26 | Houston Astros optioned LF Zach Dezenzo to Sugar Land Space Cowboys. |
| 05/04/26 | Houston Astros optioned 3B Shay Whitcomb to Sugar Land Space Cowboys. |
CORPUS CHRISTI HOOKS (Double-A)
| 05/07/26 | Corpus Christi Hooks sent OF Lucas Spence on a rehab assignment to FCL Astros. |
| 05/07/26 | SS Tommy Sacco Jr. assigned to Sugar Land Space Cowboys from Corpus Christi Hooks. |
| 05/05/26 | SS Hector Salas assigned to Asheville Tourists from Corpus Christi Hooks. |
| 05/05/26 | SS Max Holy assigned to Corpus Christi Hooks from Asheville Tourists. |
| 05/05/26 | SS Alberto Hernandez assigned to Corpus Christi Hooks from Asheville Tourists. |
ASHEVILLE TOURISTS (High-A)
| 05/08/26 | SS Hector Salas assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 05/05/26 | SS Alberto Hernandez assigned to Corpus Christi Hooks from Asheville Tourists. |
| 05/05/26 | SS Hector Salas assigned to Asheville Tourists from Corpus Christi Hooks. |
| 05/05/26 | SS Max Holy assigned to Corpus Christi Hooks from Asheville Tourists. |
FAYETTEVILLE WOODPECKERS (Single-A)
| 05/08/26 | SS Hector Salas assigned to Fayetteville Woodpeckers from Asheville Tourists. |
| 05/06/26 | Fayetteville Woodpeckers placed IF Nick Monistere on the 7-day injured list. |
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