Round Rock Express Roster & Staff
Round Rock Transactions
| Date | Transaction |
| 09/08/26 | Round Rock Express transferred RHP Trey Supak to the Development List. |
| 09/08/26 | Texas Rangers sent 3B Josh Jung on a rehab assignment to Round Rock Express. |
| 09/08/26 | Round Rock Express activated RHP Ben Peoples. |
| 09/07/26 | Texas Rangers optioned RHP Ben Peoples to Round Rock Express. |
| 09/05/26 | Round Rock Express activated RHP Trey Supak from the 7-day injured list. |
| 09/05/26 | Texas Rangers sent LHP Robert Garcia on a rehab assignment to Round Rock Express. |
| 09/04/26 | Texas Rangers sent C Kyle Higashioka on a rehab assignment to Round Rock Express. |
| 09/04/26 | Round Rock Express placed RHP Gavin Collyer on the 7-day injured list. |
| 09/01/26 | Round Rock Express transferred LHP John King to the Development List. |
| 09/01/26 | RHP Wilian Bormie assigned to Round Rock Express from Frisco RoughRiders. |
| 09/01/26 | Texas Rangers recalled CF Cam Cauley from Round Rock Express. |
| 09/01/26 | 2B Frainyer Chavez assigned to Round Rock Express from Frisco RoughRiders. |
| 09/01/26 | RHP Janser Lara assigned to Round Rock Express from Frisco RoughRiders. |