Marlins Roster & Staff
Transactions
| Date | Transaction |
| 02/29/24 | RHP Kyle Crigger assigned to Miami Marlins. |
| 02/28/24 | SS Cody Morissette assigned to Miami Marlins. |
| 02/28/24 | SS Cody Morissette roster status changed by Miami Marlins. |
| 02/28/24 | RHP Lincoln Henzman assigned to Miami Marlins. |
| 02/28/24 | SS Cody Morissette roster status changed by Miami Marlins. |
| 02/28/24 | RHP Emmanuel Ramirez assigned to Miami Marlins. |
| 02/28/24 | RHP Emmanuel Ramirez roster status changed by Miami Marlins. |
| 02/28/24 | RHP Emmanuel Ramirez roster status changed by Miami Marlins. |
| 02/27/24 | OF Mark Coley II roster status changed by Miami Marlins. |
| 02/27/24 | 1B Brock Vradenburg assigned to Miami Marlins. |
| 02/27/24 | OF Mark Coley II assigned to Miami Marlins. |
| 02/27/24 | Miami Marlins signed free agent RHP Raffi Vizcaíno to a minor league contract. |
| 02/26/24 | C Curt Casali roster status changed by Miami Marlins. |
| 02/26/24 | C Curt Casali roster status changed by Miami Marlins. |
| 02/26/24 | RHP Ignacio Feliz assigned to Miami Marlins. |
| 02/26/24 | OF Colby Shade roster status changed by Miami Marlins. |
| 02/26/24 | Miami Marlins signed free agent C Curt Casali to a minor league contract and invited him to spring training. |
| 02/26/24 | OF Colby Shade assigned to Miami Marlins. |
| 02/25/24 | OF Diego Infante assigned to Miami Marlins. |
| 02/25/24 | RHP Zach McCambley assigned to Miami Marlins. |
| 02/25/24 | OF Diego Infante roster status changed by Miami Marlins. |
| 02/24/24 | Miami Marlins signed free agent SS Tim Anderson. |
| 02/24/24 | SS Harrison Spohn roster status changed by Miami Marlins. |
| 02/24/24 | RHP Austin Roberts assigned to Miami Marlins. |
| 02/24/24 | Miami Marlins placed RHP Sandy Alcantara on the 60-day injured list. Right forearm flexor strain. |
| 02/24/24 | RHP Matt Pushard assigned to Miami Marlins. |
| 02/24/24 | LHP Chandler Jozwiak assigned to Miami Marlins. |
| 02/24/24 | RHP Austin Roberts roster status changed by Miami Marlins. |
| 02/24/24 | RHP Eli Villalobos assigned to Miami Marlins. |
| 02/24/24 | CF Jesús Sánchez changed number to 12. |
| 02/24/24 | SS Harrison Spohn assigned to Miami Marlins. |
| 02/24/24 | RHP Anderson Pilar assigned to Miami Marlins. |
| 02/22/24 | Miami Marlins signed free agent RHP Lincoln Henzman to a minor league contract. |
| 02/22/24 | Miami Marlins signed free agent RHP Vladimir Gutierrez to a minor league contract. |
| 02/22/24 | RHP Vladimir Gutierrez roster status changed by Miami Marlins. |
| 02/14/24 | Miami Marlins traded CF Peyton Burdick to Baltimore Orioles for cash. |
| 02/13/24 | Philadelphia Phillies claimed RHP Kaleb Ort off waivers from Miami Marlins. |
| 02/13/24 | New York Yankees claimed SS Jordan Groshans off waivers from Miami Marlins. |
| 02/12/24 | Miami Marlins signed free agent RHP Yonny Chirinos to a minor league contract and invited him to spring training. |
| 02/12/24 | Seattle Mariners traded RHP Darren McCaughan to Miami Marlins. |
| 02/11/24 | Minnesota Twins traded SS Nick Gordon to Miami Marlins for LHP Steven Okert. |
| 02/11/24 | Minnesota Twins traded SS Nick Gordon to Miami Marlins for LHP Steven Okert. |
| 02/09/24 | Miami Marlins designated CF Peyton Burdick for assignment. |
| 02/07/24 | Miami Marlins designated RHP Kaleb Ort for assignment. |
| 02/07/24 | Miami Marlins activated 3B Jonah Bride. |
| 02/07/24 | Miami Marlins signed free agent LHP Kent Emanuel to a minor league contract and invited him to spring training. |
| 02/07/24 | Miami Marlins activated RHP Declan Cronin. |
| 02/07/24 | Miami Marlins claimed RHP Declan Cronin off waivers from Houston Astros. |
| 02/07/24 | Oakland Athletics traded 3B Jonah Bride to Miami Marlins for cash. |
| 02/05/24 | Miami Marlins invited non-roster SS José Devers to spring training. |
| 02/05/24 | Miami Marlins invited non-roster C Bennett Hostetler to spring training. |
| 02/05/24 | Miami Marlins invited non-roster OF Elvis Alvarado to spring training. |
| 02/05/24 | Miami Marlins invited non-roster C Paul McIntosh to spring training. |
| 02/05/24 | Miami Marlins invited non-roster C Jhonny Pereda to spring training. |
| 02/05/24 | Miami Marlins invited non-roster 3B Jacob Berry to spring training. |
| 02/05/24 | Miami Marlins invited non-roster SS Javier Sanoja to spring training. |
| 02/05/24 | Miami Marlins invited non-roster OF Griffin Conine to spring training. |
| 02/05/24 | Miami Marlins invited non-roster OF Marty Costes to spring training. |
| 02/05/24 | 3B Jacob Berry roster status changed by Miami Marlins. |
| 02/05/24 | Miami Marlins invited non-roster RF Troy Johnston to spring training. |
| 02/05/24 | Miami Marlins invited non-roster RHP Jeff Lindgren to spring training. |
| 02/05/24 | Miami Marlins invited non-roster C Will Banfield to spring training. |
| 02/05/24 | Miami Marlins invited non-roster LHP Patrick Monteverde to spring training. |
| 02/05/24 | Miami Marlins invited non-roster RHP Luarbert Arias to spring training. |