Round Rock Express Roster & Staff
Round Rock Transactions
| Date | Transaction |
| 08/04/26 | Round Rock Express released RHP Spencer Adams. |
| 08/04/26 | Round Rock Express activated LHP Adam Macko. |
| 08/04/26 | Round Rock Express released RHP Aidan Anderson. |
| 08/04/26 | RHP Austin Roberts assigned to Frisco RoughRiders from Round Rock Express. |
| 08/04/26 | Texas Rangers optioned 3B Cody Freeman to Round Rock Express. |
| 08/03/26 | Texas Rangers optioned LHP Adam Macko to Round Rock Express. |
| 08/02/26 | Round Rock Express activated RHP David Davalillo. |
| 08/02/26 | LHP Marco Gonzales elected free agency. |
| 08/02/26 | SS Theo Hardy assigned to Frisco RoughRiders from Round Rock Express. |
| 08/02/26 | RHP David Davalillo assigned to Round Rock Express from Frisco RoughRiders. |
| 08/02/26 | Texas Rangers sent LHP Marco Gonzales outright to Round Rock Express. |
| 08/01/26 | Round Rock Express activated C Logan O'Hoppe. |
| 08/01/26 | LHP Dalton Pence assigned to Round Rock Express from Frisco RoughRiders. |
| 08/01/26 | Texas Rangers selected the contract of RHP Nolan Kingham from Round Rock Express. |
| 08/01/26 | Texas Rangers optioned RHP Luis Curvelo to Round Rock Express. |