Marlins Roster & Staff
Transactions
| Date | Transaction |
| 02/27/26 | RHP Carson Laws assigned to Miami Marlins. |
| 02/25/26 | CF Dillon Head assigned to Miami Marlins. |
| 02/25/26 | C Victor Ortega assigned to Miami Marlins. |
| 02/25/26 | RHP Orlando Ortiz-Mayr assigned to Miami Marlins. |
| 02/24/26 | RHP Will Schomberg assigned to Miami Marlins. |
| 02/24/26 | RHP Jacob Miller assigned to Miami Marlins. |
| 02/24/26 | CF Esmil Valencia assigned to Miami Marlins. |
| 02/24/26 | RHP Aiden May assigned to Miami Marlins. |
| 02/24/26 | 3B Garret Forrester assigned to Miami Marlins. |
| 02/24/26 | SS Carter Johnson assigned to Miami Marlins. |
| 02/23/26 | LHP Julio Mendez assigned to Miami Marlins. |
| 02/23/26 | RHP Peyton Fosher assigned to Miami Marlins. |
| 02/23/26 | 2B Gage Miller assigned to Miami Marlins. |
| 02/23/26 | RHP Manuel Genao assigned to Miami Marlins. |
| 02/23/26 | C Connor Caskenette assigned to Miami Marlins. |
| 02/23/26 | RHP Colby Martin assigned to Miami Marlins. |
| 02/23/26 | 2B Drew Faurot assigned to Miami Marlins. |
| 02/22/26 | CF Ethan O'Donnell assigned to Miami Marlins. |
| 02/22/26 | LHP Brayan Mendoza assigned to Miami Marlins. |
| 02/22/26 | RHP Liomar Martinez assigned to Miami Marlins. |
| 02/22/26 | SS Juan Matheus assigned to Miami Marlins. |
| 02/22/26 | CF Andres Valor assigned to Miami Marlins. |
| 02/22/26 | LHP RJ Shunck assigned to Miami Marlins. |
| 02/22/26 | RHP Jake Walkinshaw assigned to Miami Marlins. |
| 02/22/26 | 3B Michael Snyder assigned to Miami Marlins. |
| 02/22/26 | SS Juan Matheus roster status changed by Miami Marlins. |
| 02/22/26 | 1B Chris Arroyo assigned to Miami Marlins. |
| 02/22/26 | CF Ethan O'Donnell roster status changed by Miami Marlins. |
| 02/22/26 | LHP Brayan Mendoza roster status changed by Miami Marlins. |
| 02/21/26 | SS Chase Jaworsky roster status changed by Miami Marlins. |
| 02/21/26 | C Spencer Bramwell roster status changed by Miami Marlins. |
| 02/21/26 | 2B Ian Lewis Jr. assigned to Miami Marlins. |
| 02/21/26 | LF Emaarion Boyd roster status changed by Miami Marlins. |
| 02/21/26 | RHP Alex Williams roster status changed by Miami Marlins. |
| 02/21/26 | 1B Jay Beshears assigned to Miami Marlins. |
| 02/21/26 | RHP Brandon White assigned to Miami Marlins. |
| 02/21/26 | OF Colby Shade assigned to Miami Marlins. |
| 02/21/26 | LF Emaarion Boyd assigned to Miami Marlins. |
| 02/21/26 | 2B Ian Lewis Jr. roster status changed by Miami Marlins. |
| 02/21/26 | RHP Alex Williams assigned to Miami Marlins. |
| 02/21/26 | C Spencer Bramwell assigned to Miami Marlins. |
| 02/21/26 | SS Chase Jaworsky assigned to Miami Marlins. |
| 02/21/26 | 1B Jay Beshears roster status changed by Miami Marlins. |
| 02/20/26 | Miami Marlins signed free agent LHP Stiveen Rojas to a minor league contract. |
| 02/16/26 | Miami Marlins traded LHP Josh Simpson to Seattle Mariners for cash. |
| 02/13/26 | Miami Marlins signed free agent LHP John King. |
| 02/12/26 | Miami Marlins signed free agent C Francisco Del Campo to a minor league contract. |
| 02/12/26 | Miami Marlins signed free agent RHP Yanixan Resendiz to a minor league contract. |
| 02/12/26 | Miami Marlins signed free agent RHP Chris Paddack. |
| 02/12/26 | Miami Marlins placed RHP Ronny Henriquez on the 60-day injured list. Right Elbow Surgery. |
| 02/12/26 | Miami Marlins designated LHP Josh Simpson for assignment. |
| 02/09/26 | Miami Marlins signed free agent LHP Franklin Mejia to a minor league contract. |
| 02/06/26 | Miami Marlins signed free agent RHP Jake Walkinshaw to a minor league contract. |
| 02/06/26 | Miami Marlins signed free agent RHP Luis Moreno to a minor league contract. |
| 02/06/26 | Miami Marlins traded CF Victor Mesa Jr. to Tampa Bay Rays for IF Angel Brachi. |
| 02/06/26 | Miami Marlins traded CF Victor Mesa Jr. to Tampa Bay Rays for IF Angel Brachi. |
| 02/05/26 | CF Victor Mesa Jr. roster status changed by Miami Marlins. |
| 02/03/26 | Miami Marlins designated CF Victor Mesa Jr. for assignment. |
| 02/03/26 | Miami Marlins claimed RHP Garrett Acton off waivers from Colorado Rockies. |