Marlins Roster & Staff
Transactions
| Date | Transaction |
| 03/07/26 | RHP Jadon Williamson assigned to Miami Marlins. |
| 03/07/26 | RF John Cruz assigned to Miami Marlins. |
| 03/07/26 | LHP Justin Storm assigned to Miami Marlins. |
| 03/07/26 | SS Emilio Barreras assigned to Miami Marlins. |
| 03/07/26 | SS Starlyn Caba assigned to Miami Marlins. |
| 03/06/26 | OF Jacob Jenkins-Cowart assigned to Miami Marlins. |
| 03/06/26 | SS Cam Clayton assigned to Miami Marlins. |
| 03/06/26 | RHP Gabe Bierman assigned to Miami Marlins. |
| 03/06/26 | SS Dub Gleed assigned to Miami Marlins. |
| 03/06/26 | 2B Cody Morissette assigned to Miami Marlins. |
| 03/05/26 | C Nestor Rios assigned to Miami Marlins. |
| 03/05/26 | OF Micah McDowell roster status changed by Miami Marlins. |
| 03/05/26 | OF Micah McDowell assigned to Miami Marlins. |
| 03/03/26 | C Wilson Weber roster status changed by Miami Marlins. |
| 03/03/26 | C Wilson Weber assigned to Miami Marlins. |
| 03/03/26 | RF PJ Morlando assigned to Miami Marlins. |
| 03/03/26 | LHP Joey Volini assigned to Miami Marlins. |
| 03/02/26 | 3B Jesus Hernandez assigned to Miami Marlins. |
| 03/02/26 | CF Mark Coley II assigned to Miami Marlins. |