Marlins Roster & Staff
Transactions
| Date | Transaction |
| 09/28/26 | Miami Marlins activated RHP Tyler Zuber from the 15-day injured list. |
| 09/28/26 | Miami Marlins activated RF Owen Caissie from the 10-day injured list. |
| 09/28/26 | Miami Marlins activated RHP Pete Fairbanks from the 15-day injured list. |
| 09/28/26 | Miami Marlins activated RHP Max Meyer from the 15-day injured list. |
| 09/28/26 | Miami Marlins activated RHP Anthony Bender from the 15-day injured list. |
| 09/28/26 | Miami Marlins recalled RHP Brandan Bidois from Jacksonville Jumbo Shrimp. |
| 09/28/26 | Miami Marlins recalled LHP Patrick Monteverde from Jacksonville Jumbo Shrimp. |
| 09/28/26 | Miami Marlins recalled RHP Josh White from Jacksonville Jumbo Shrimp. |
| 09/28/26 | Miami Marlins recalled C Logan Driscoll from Jacksonville Jumbo Shrimp. |
| 09/28/26 | Miami Marlins recalled SS Maximo Acosta from Jacksonville Jumbo Shrimp. |
| 09/28/26 | Miami Marlins recalled RHP Zach Brzykcy from Jacksonville Jumbo Shrimp. |
| 09/25/26 | Miami Marlins placed RHP Tyler Zuber on the 15-day injured list. Right elbow sprain. |
| 09/25/26 | Miami Marlins recalled RHP Wikelman González from Jacksonville Jumbo Shrimp. |
| 09/16/26 | SS Otto Lopez changed number to 6. |
| 09/16/26 | C Brian Navarreto changed number to 64. |
| 09/15/26 | Miami Marlins placed RHP Pete Fairbanks on the 15-day injured list. Right median nerve irritation. |
| 09/15/26 | C Brian Navarreto changed number to 21. |
| 09/15/26 | SS Otto Lopez changed number to 21. |
| 09/15/26 | Miami Marlins recalled RHP Bradley Blalock from Jacksonville Jumbo Shrimp. |
| 09/13/26 | Miami Marlins activated 2B Xavier Edwards from the 10-day injured list. |
| 09/13/26 | Miami Marlins placed RF Owen Caissie on the 10-day injured list. Lumbar stress reaction. |
| 09/09/26 | Miami Marlins activated RHP Pete Fairbanks from the 15-day injured list. |
| 09/09/26 | Miami Marlins optioned RHP Bradley Blalock to Jacksonville Jumbo Shrimp. |
| 09/05/26 | Miami Marlins released 3B Leo Jiménez. |
| 09/03/26 | Miami Marlins designated 3B Leo Jiménez for assignment. |
| 09/03/26 | Miami Marlins recalled 3B Deyvison De Los Santos from Jacksonville Jumbo Shrimp. |
| 09/01/26 | Miami Marlins recalled RHP Bradley Blalock from Jacksonville Jumbo Shrimp. |
| 09/01/26 | Miami Marlins recalled 3B Graham Pauley from Jacksonville Jumbo Shrimp. |