Astros Roster & Staff
Transactions
| Date | Transaction |
| 06/24/23 | Houston Astros signed free agent 1B Jon Singleton to a minor league contract. |
| 06/23/23 | Houston Astros placed DH Michael Brantley on the 60-day injured list. |
| 06/23/23 | Houston Astros selected the contract of OF Bligh Madris from Sugar Land Space Cowboys. |
| 06/23/23 | Houston Astros optioned RHP Spenser Watkins to Sugar Land Space Cowboys. |
| 06/23/23 | Baltimore Orioles traded RHP Spenser Watkins to Houston Astros for cash. |
| 06/22/23 | Houston Astros optioned C César Salazar to Sugar Land Space Cowboys. |
| 06/18/23 | Houston Astros activated RHP Shawn Dubin. |
| 06/18/23 | Houston Astros recalled RHP Shawn Dubin from Sugar Land Space Cowboys. |
| 06/18/23 | Houston Astros optioned RHP Brandon Bielak to Sugar Land Space Cowboys. |
| 06/17/23 | RHP Joel Kuhnel roster status changed by Houston Astros. |
| 06/17/23 | Houston Astros reassigned RHP Joel Kuhnel to the minor leagues. |
| 06/17/23 | Houston Astros transferred RHP Lance McCullers Jr. from the 15-day injured list to the 60-day injured list. Right elbow strain. |
| 06/17/23 | Houston Astros optioned RHP Joel Kuhnel to Sugar Land Space Cowboys. |
| 06/17/23 | Cincinnati Reds traded RHP Joel Kuhnel to Houston Astros for cash. |
| 06/16/23 | Houston Astros activated RHP Ryne Stanek from the bereavement list. |
| 06/16/23 | Houston Astros optioned LHP Matt Gage to Sugar Land Space Cowboys. |
| 06/11/23 | Houston Astros recalled LHP Matt Gage from Sugar Land Space Cowboys. |
| 06/10/23 | Houston Astros placed RHP Ryne Stanek on the bereavement list. |
| 06/09/23 | Houston Astros placed 1B Yordan Alvarez on the 10-day injured list. Right oblique discomfort. |
| 06/09/23 | Houston Astros recalled C César Salazar from Sugar Land Space Cowboys. |
| 06/06/23 | SS Luis Aviles Jr. assigned to Houston Astros. |
| 06/05/23 | Houston Astros activated SS Grae Kessinger. |
| 06/05/23 | Houston Astros transferred RHP Luis Garcia from the 15-day injured list to the 60-day injured list. |
| 06/05/23 | Houston Astros optioned C César Salazar to Sugar Land Space Cowboys. |
| 06/05/23 | Houston Astros selected the contract of SS Grae Kessinger from Sugar Land Space Cowboys. |
| 06/04/23 | Houston Astros signed free agent RHP Mauricio Rodriguez to a minor league contract. |
| 06/01/23 | Houston Astros optioned LHP Parker Mushinski to Sugar Land Space Cowboys. |
| 06/01/23 | Houston Astros recalled RHP Ronel Blanco from Sugar Land Space Cowboys. |