Marlins Roster & Staff
Transactions
| Date | Transaction |
| 01/29/26 | Miami Marlins invited non-roster OF Dillon Lewis to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LHP Dale Stanavich to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Josh Ekness to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Evan McKendry to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Karson Milbrandt to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Jack Ralston to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Jesus Tinoco to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LHP Thomas White to spring training. |
| 01/29/26 | Miami Marlins invited non-roster CF Brendan Jones to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Zach Brzykcy to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LHP Robby Snelling to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RF Kemp Alderman to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LHP Justin King to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LHP Patrick Monteverde to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Nigel Belgrave to spring training. |
| 01/29/26 | LHP Braxton Garrett changed number to 20. |
| 01/29/26 | LF Heriberto Hernández changed number to 13. |
| 01/29/26 | 2B Javier Sanoja changed number to 8. |
| 01/29/26 | 3B Deyvison De Los Santos changed number to 63. |
| 01/29/26 | Miami Marlins invited non-roster 1B Jacob Berry to spring training. |
| 01/29/26 | Miami Marlins invited non-roster C Ryan Ignoffo to spring training. |
| 01/29/26 | Miami Marlins invited non-roster CF Daniel Johnson to spring training. |
| 01/29/26 | Miami Marlins invited non-roster 1B Brian Navarreto to spring training. |
| 01/29/26 | Miami Marlins invited non-roster LF Matthew Etzel to spring training. |
| 01/29/26 | Miami Marlins invited non-roster SS Johnny Olmstead to spring training. |
| 01/29/26 | Miami Marlins invited non-roster 1B Nathan Martorella to spring training. |
| 01/29/26 | Miami Marlins invited non-roster 1B Dylan Jasso to spring training. |
| 01/29/26 | Miami Marlins invited non-roster C Sam Praytor to spring training. |
| 01/29/26 | Miami Marlins invited non-roster SS Jesús Bastidas to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Samuel Vasquez to spring training. |
| 01/29/26 | Miami Marlins invited non-roster C Bennett Hostetler to spring training. |
| 01/29/26 | Miami Marlins invited non-roster RHP Tyler Zuber to spring training. |
| 01/29/26 | Miami Marlins invited non-roster CF Andrew Pintar to spring training. |
| 01/29/26 | Miami Marlins invited non-roster OF Fenwick Trimble to spring training. |
| 01/27/26 | Miami Marlins signed free agent RHP Stephen Jones to a minor league contract and invited him to spring training. |
| 01/27/26 | Los Angeles Angels claimed RHP Osvaldo Bido off waivers from Miami Marlins. |
| 01/23/26 | Miami Marlins signed free agent LHP Luis Palacios to a minor league contract. |
| 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 Jose Rosal 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 OF Ezequiel Jaime 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 OF Jose Camacho 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 RHP Yerison Mendez 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 Ronald Rodriguez 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 Carlos De Los Santos 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 C Eliecer Mendoza 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 RHP Evan Da Souza 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 SS Enyer Antonio to a minor league contract. |
| 01/15/26 | Miami Marlins signed free agent RHP Eliezer Peralta 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 OF Michael De La Cruz 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 | SS Cristian Hernandez roster status changed by Miami Marlins. |
| 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. |