Marlins Roster & Staff
Transactions
| Date | Transaction |
| 02/13/26 | Miami Marlins signed free agent LHP John King. |
| 02/12/26 | Miami Marlins signed free agent RHP Chris Paddack. |
| 02/12/26 | Miami Marlins designated LHP Josh Simpson for assignment. |
| 02/12/26 | Miami Marlins placed RHP Ronny Henriquez on the 60-day injured list. Right Elbow Surgery. |
| 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. |
| 02/09/26 | 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 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. |