Astros Roster & Staff
Transactions
| Date | Transaction |
| 08/13/26 | San Francisco Giants claimed 3B Shay Whitcomb off waivers from Houston Astros. |
| 08/11/26 | Houston Astros activated LF Nelson Velázquez. |
| 08/11/26 | Houston Astros optioned CF Jake Meyers to Sugar Land Space Cowboys. |
| 08/10/26 | Houston Astros designated 3B Shay Whitcomb for assignment. |
| 08/10/26 | Houston Astros claimed LF Nelson Velázquez off waivers from St. Louis Cardinals. |
| 08/07/26 | Houston Astros recalled CF Jake Meyers from Sugar Land Space Cowboys. |
| 08/06/26 | Houston Astros optioned LF Zach Dezenzo to Sugar Land Space Cowboys. |
| 08/03/26 | Houston Astros activated CF Daulton Varsho. |
| 08/03/26 | Houston Astros activated CF Daulton Varsho. |
| 08/03/26 | Toronto Blue Jays traded CF Daulton Varsho and cash to Houston Astros for RHP Spencer Arrighetti. |
| 08/03/26 | Houston Astros optioned CF Lucas Spence to Sugar Land Space Cowboys. |
| 08/03/26 | Toronto Blue Jays traded CF Daulton Varsho and cash to Houston Astros for RHP Spencer Arrighetti. |