Marlins Roster & Staff
Transactions
| Date | Transaction |
| 01/22/26 | San Francisco Giants traded C Carlos Martinez to Miami Marlins for cash. |
| 01/20/26 | Miami Marlins designated RHP Osvaldo Bido for assignment. |
| 01/20/26 | Colorado Rockies traded RHP Bradley Blalock to Miami Marlins for RHP Jake Brooks. |
| 01/20/26 | Colorado Rockies traded RHP Bradley Blalock to Miami Marlins for RHP Jake Brooks. |
| 01/16/26 | Miami Marlins claimed RHP Osvaldo Bido off waivers from Tampa Bay Rays. |
| 01/15/26 | Miami Marlins signed free agent RHP Eliezer Peralta to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent RHP Justin Batista to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Ronald Rodriguez to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Carlos De Los Santos to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent SS Maikel Acosta to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Ezequiel Jaime to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent SS Santiago Solarte to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Raunny Figueredo to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent SS Ronny Muñoz to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent 2B Jordani Peguero to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent C Daniel Pire to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Michael De La Cruz to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent OF Jose Camacho to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent SS Enyer Antonio to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent RHP Evan Da Souza to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent RHP Yerison Mendez to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent C Eliecer Mendoza to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent LHP Onardi Santos to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent SS Bernardo Doc to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent 3B Yendi Pirela to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent RHP Jose Rosal to a minor league contract. |
| 01/13/26 | Miami Marlins traded LHP Ryan Weathers to New York Yankees for CF Brendan Jones, OF Dillon Lewis, 1B Dylan Jasso and SS Juan Matheus. |
| 01/13/26 | Miami Marlins traded LHP Ryan Weathers to New York Yankees for CF Brendan Jones, OF Dillon Lewis, 1B Dylan Jasso and SS Juan Matheus. |
| 01/13/26 | Miami Marlins traded LHP Ryan Weathers to New York Yankees for CF Brendan Jones, OF Dillon Lewis, 1B Dylan Jasso and SS Juan Matheus. |
| 01/13/26 | Miami Marlins traded LHP Ryan Weathers to New York Yankees for CF Brendan Jones, OF Dillon Lewis, 1B Dylan Jasso and SS Juan Matheus. |
| 01/13/26 | Miami Marlins traded LHP Ryan Weathers to New York Yankees for CF Brendan Jones, OF Dillon Lewis, 1B Dylan Jasso and SS Juan Matheus. |
| 01/07/26 | Miami Marlins traded RHP Edward Cabrera to Chicago Cubs for RF Owen Caissie, SS Cristian Hernandez and IF Edgardo De Leon. |
| 01/07/26 | Miami Marlins traded RHP Edward Cabrera to Chicago Cubs for RF Owen Caissie, SS Cristian Hernandez and IF Edgardo De Leon. |
| 01/07/26 | Miami Marlins traded RHP Edward Cabrera to Chicago Cubs for RF Owen Caissie, SS Cristian Hernandez and IF Edgardo De Leon. |
| 01/07/26 | Miami Marlins traded RHP Edward Cabrera to Chicago Cubs for RF Owen Caissie, SS Cristian Hernandez and IF Edgardo De Leon. |
| 01/05/26 | Miami Marlins signed free agent RHP Jesus Tinoco to a minor league contract. |
| 01/02/26 | Miami Marlins traded 1B Eric Wagaman to Minnesota Twins for LHP Kade Bragg. |
| 01/02/26 | Miami Marlins traded 1B Eric Wagaman to Minnesota Twins for LHP Kade Bragg. |
| 01/01/26 | 1B Eric Wagaman roster status changed by Miami Marlins. |