Frederick Keys Roster & Staff
Frederick Transactions
| Date | Transaction |
| 05/12/26 | C Johnny Tincher assigned to Chesapeake Baysox from Frederick Keys. |
| 05/09/26 | Frederick Keys placed LHP Ryan Cabarcas on the 7-day injured list. |
| 05/09/26 | C Johnny Tincher assigned to Frederick Keys from Delmarva Shorebirds. |
| 05/07/26 | Frederick Keys activated OF Vance Honeycutt from the 7-day injured list. |
| 05/05/26 | Norfolk Tides sent LF Reed Trimble on a rehab assignment to Frederick Keys. |
| 05/05/26 | Norfolk Tides sent RHP Keagan Gillies on a rehab assignment to Frederick Keys. |
| 05/02/26 | SS Maikol Hernández assigned to Frederick Keys from Norfolk Tides. |
| 05/01/26 | Frederick Keys placed RHP Hayden Nierman on the full-season injured list. |
| 05/01/26 | LHP Juan Rojas assigned to Chesapeake Baysox from Frederick Keys. |
| 05/01/26 | RHP Brandon Downer assigned to Frederick Keys from Delmarva Shorebirds. |
| 05/01/26 | SS Félix Amparo assigned to Delmarva Shorebirds from Frederick Keys. |
| 05/01/26 | SS Maikol Hernández assigned to Norfolk Tides from Frederick Keys. |