Astros Roster & Staff
Transactions
| Date | Transaction |
| 04/15/26 | LHP Steven Okert changed number to 42. |
| 04/15/26 | LHP Colton Gordon changed number to 42. |
| 04/15/26 | LF Jose Altuve changed number to 42. |
| 04/15/26 | RHP Bryan Abreu changed number to 42. |
| 04/15/26 | 1B Christian Walker changed number to 42. |
| 04/15/26 | C Christian Vázquez changed number to 42. |
| 04/15/26 | RHP Mike Burrows changed number to 42. |
| 04/15/26 | LF Yordan Alvarez changed number to 42. |
| 04/15/26 | LF Shay Whitcomb changed number to 42. |
| 04/15/26 | SS Carlos Correa changed number to 42. |
| 04/15/26 | Houston Astros placed RHP Cody Bolton on the 15-day injured list retroactive to April 13, 2026. |
| 04/15/26 | 3B Isaac Paredes changed number to 42. |
| 04/15/26 | RHP AJ Blubaugh changed number to 42. |
| 04/15/26 | RHP Ryan Weiss changed number to 42. |
| 04/15/26 | RHP Lance McCullers Jr. changed number to 42. |
| 04/15/26 | RHP J.P. France changed number to 42. |
| 04/15/26 | LF Joey Loperfido changed number to 42. |
| 04/15/26 | RHP Christian Roa changed number to 42. |
| 04/15/26 | RHP Cody Bolton changed number to 42. |
| 04/15/26 | LF Taylor Trammell changed number to 42. |
| 04/15/26 | C Yainer Diaz changed number to 42. |
| 04/15/26 | SS Brice Matthews changed number to 42. |
| 04/15/26 | RF Cam Smith changed number to 42. |
| 04/15/26 | RHP Kai-Wei Teng changed number to 42. |
| 04/15/26 | LHP Bryan King changed number to 42. |
| 04/15/26 | RHP Enyel De Los Santos changed number to 42. |
| 04/15/26 | SS Nick Allen changed number to 42. |
| 04/15/26 | Houston Astros recalled RHP Spencer Arrighetti from Sugar Land Space Cowboys. |
| 04/14/26 | Houston Astros sent LHP Bennett Sousa on a rehab assignment to Corpus Christi Hooks. |
| 04/13/26 | Houston Astros placed SS Jeremy Peña on the 10-day injured list retroactive to April 12, 2026. Grade one hamstring strain. |
| 04/13/26 | Houston Astros placed RHP Tatsuya Imai on the 15-day injured list retroactive to April 12, 2026. Right arm fatigue. |
| 04/13/26 | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |
| 04/13/26 | Houston Astros recalled RHP J.P. France from Sugar Land Space Cowboys. |
| 04/13/26 | Houston Astros recalled LHP Colton Gordon from Sugar Land Space Cowboys. |
| 04/13/26 | Houston Astros optioned RHP Jayden Murray to Sugar Land Space Cowboys. |
| 04/11/26 | Houston Astros sent LHP Bennett Sousa on a rehab assignment to Sugar Land Space Cowboys. |
| 04/11/26 | Houston Astros sent LHP Bennett Sousa on a rehab assignment to Sugar Land Space Cowboys. |
| 04/11/26 | Houston Astros recalled RHP Jayden Murray from Sugar Land Space Cowboys. |
| 04/11/26 | Houston Astros optioned RHP J.P. France to Sugar Land Space Cowboys. |
| 04/10/26 | Houston Astros transferred RHP Ronel Blanco from the 15-day injured list to the 60-day injured list. Right elbow surgery recovery. |
| 04/10/26 | Houston Astros placed CF Jake Meyers on the 10-day injured list retroactive to April 9, 2026. Grade two right oblique strain. |
| 04/10/26 | Houston Astros placed RHP Cristian Javier on the 15-day injured list retroactive to April 9, 2026. Grade two right shoulder strain. |
| 04/10/26 | Houston Astros selected the contract of LF Taylor Trammell from Sugar Land Space Cowboys. |
| 04/10/26 | Houston Astros selected the contract of RHP J.P. France from Sugar Land Space Cowboys. |
| 04/09/26 | Houston Astros sent RHP Roddery Muñoz outright to Sugar Land Space Cowboys. |
| 04/07/26 | Houston Astros signed free agent RHP Andrew Dunford to a minor league contract. |
| 04/06/26 | Houston Astros designated RHP Roddery Muñoz for assignment. |
| 04/06/26 | Houston Astros activated 3B Isaac Paredes from the bereavement list. |
| 04/06/26 | Houston Astros activated RHP Enyel De Los Santos from the 15-day injured list. |
| 04/06/26 | Houston Astros optioned LF Shay Whitcomb to Sugar Land Space Cowboys. |
| 04/05/26 | Houston Astros placed RHP Hunter Brown on the 15-day injured list retroactive to April 2, 2026. Right shoulder strain. |
| 04/05/26 | Houston Astros recalled RHP Christian Roa from Sugar Land Space Cowboys. |
| 04/03/26 | Houston Astros sent RHP Enyel De Los Santos on a rehab assignment to Corpus Christi Hooks. |
| 04/03/26 | Houston Astros placed 3B Isaac Paredes on the bereavement list. |
| 04/03/26 | Houston Astros sent RHP Enyel De Los Santos on a rehab assignment to Corpus Christi Hooks. |
| 04/03/26 | Houston Astros signed free agent OF Parker Chavers to a minor league contract. |
| 04/03/26 | Houston Astros recalled LF Shay Whitcomb from Sugar Land Space Cowboys. |