Frederick Keys Roster & Staff
Frederick Transactions
| Date | Transaction |
| 06/23/26 | Frederick Keys placed SS Elis Cuevas on the 7-day injured list. |
| 06/21/26 | Chesapeake Baysox sent RHP Tyson Neighbors on a rehab assignment to Frederick Keys. |
| 06/16/26 | Frederick Keys sent RHP Jack Crowder on a rehab assignment to Delmarva Shorebirds. |
| 06/16/26 | Norfolk Tides sent RHP Richard Guasch on a rehab assignment to Frederick Keys. |
| 06/16/26 | Frederick Keys sent RHP Jack Crowder on a rehab assignment to Delmarva Shorebirds. |
| 06/16/26 | 3B Alfredo Velásquez assigned to Delmarva Shorebirds from Frederick Keys. |
| 06/10/26 | LHP Riley Cooper assigned to Frederick Keys from Norfolk Tides. |
| 06/09/26 | Frederick Keys activated LHP Ryan Cabarcas from the 7-day injured list. |
| 06/09/26 | LHP Riley Cooper assigned to Norfolk Tides from Frederick Keys. |
| 06/08/26 | Frederick Keys sent RHP Trent Turzenski on a rehab assignment to FCL Orioles. |
| 06/03/26 | Chesapeake Baysox sent RHP Keagan Gillies on a rehab assignment to Frederick Keys. |
| 06/02/26 | Frederick Keys sent RHP Jack Crowder on a rehab assignment to FCL Orioles. |
| 06/02/26 | Frederick Keys sent LHP Holden deJong on a rehab assignment to FCL Orioles. |
| 06/02/26 | RHP Bradley Brehmer assigned to Frederick Keys. |
| 06/02/26 | Chesapeake Baysox sent OF Douglas Hodo III on a rehab assignment to Frederick Keys. |
| 06/02/26 | OF Enrique Bradfield Jr. assigned to Frederick Keys. |
| 06/02/26 | Frederick Keys sent RHP Jack Crowder on a rehab assignment to FCL Orioles. |
| 06/02/26 | RHP Eccel Correa assigned to Delmarva Shorebirds from Frederick Keys. |
| 06/02/26 | LHP Riley Cooper assigned to Frederick Keys from Delmarva Shorebirds. |
| 06/02/26 | RHP Jacob Cravey assigned to Frederick Keys from Delmarva Shorebirds. |