Marlins Roster & Staff
Transactions
| Date | Transaction |
| 09/27/24 | Miami Marlins activated RHP Mike Baumann from the paternity list. |
| 09/27/24 | Miami Marlins placed RHP Declan Cronin on the 15-day injured list. Left knew patellar tendonitis. |
| 09/25/24 | Miami Marlins sent CF Cristian Pache outright to Jacksonville Jumbo Shrimp. |
| 09/24/24 | Miami Marlins designated CF Cristian Pache for assignment. |
| 09/24/24 | Miami Marlins placed RHP Mike Baumann on the paternity list. |
| 09/24/24 | Miami Marlins recalled RHP Anthony Maldonado from Jacksonville Jumbo Shrimp. |
| 09/24/24 | Miami Marlins recalled RF Dane Myers from Jacksonville Jumbo Shrimp. |
| 09/21/24 | Miami Marlins sent RHP Sixto Sánchez on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/21/24 | Miami Marlins sent SS José Devers outright to Jacksonville Jumbo Shrimp. |
| 09/20/24 | Miami Marlins sent RHP Jeff Lindgren outright to Jacksonville Jumbo Shrimp. |
| 09/20/24 | Miami Marlins selected the contract of RHP Shaun Anderson from Jacksonville Jumbo Shrimp. |
| 09/20/24 | Miami Marlins optioned RHP George Soriano to Jacksonville Jumbo Shrimp. |
| 09/19/24 | Miami Marlins designated SS José Devers for assignment. |
| 09/19/24 | Miami Marlins activated 2B Vidal Bruján from the 10-day injured list. |
| 09/19/24 | Miami Marlins activated LF Derek Hill from the 10-day injured list. |
| 09/19/24 | Miami Marlins optioned LF David Hensley to Jacksonville Jumbo Shrimp. |
| 09/18/24 | Miami Marlins activated LHP Ryan Weathers from the 60-day injured list. |
| 09/18/24 | Miami Marlins designated RHP Jeff Lindgren for assignment. |
| 09/17/24 | Miami Marlins sent RF Dane Myers on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/17/24 | Miami Marlins sent LF Derek Hill on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/17/24 | Miami Marlins sent LF Derek Hill on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/17/24 | Miami Marlins sent 2B Vidal Bruján on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/14/24 | Miami Marlins sent LHP Jonathan Bermúdez outright to Jacksonville Jumbo Shrimp. |
| 09/12/24 | Miami Marlins activated RHP Michael Petersen. |
| 09/12/24 | Miami Marlins designated LHP Jonathan Bermúdez for assignment. |
| 09/12/24 | Miami Marlins placed RHP John McMillon on the 15-day injured list. Right elbow tightness. |
| 09/12/24 | Toronto Blue Jays claimed RHP Brett de Geus off waivers from Miami Marlins. |
| 09/12/24 | Miami Marlins selected the contract of RHP Jeff Lindgren from Jacksonville Jumbo Shrimp. |
| 09/11/24 | Miami Marlins sent LHP Braxton Garrett on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/10/24 | Miami Marlins designated RHP Brett de Geus for assignment. |
| 09/10/24 | Miami Marlins claimed RHP Michael Petersen off waivers from Los Angeles Dodgers. |
| 09/09/24 | Seattle Mariners claimed LHP Austin Kitchen off waivers from Miami Marlins. |
| 09/08/24 | Miami Marlins sent LHP Ryan Weathers on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/08/24 | Miami Marlins sent LHP Ryan Weathers on a rehab assignment to Jacksonville Jumbo Shrimp. |
| 09/08/24 | LHP Austin Kitchen roster status changed by Miami Marlins. |
| 09/07/24 | Miami Marlins placed RHP Calvin Faucher on the 15-day injured list retroactive to September 5, 2024. Right shoulder impingement. |
| 09/07/24 | Miami Marlins designated LHP Austin Kitchen for assignment. |
| 09/07/24 | Miami Marlins placed RHP Max Meyer on the 15-day injured list retroactive to September 4, 2024. Right shoulder bursitis. |
| 09/07/24 | Miami Marlins placed LF Derek Hill on the 10-day injured list retroactive to September 5, 2024. Left shoulder impingement. |
| 09/07/24 | Miami Marlins transferred LHP Andrew Nardi from the 15-day injured list to the 60-day injured list. Left elbow muscle injury. |
| 09/07/24 | Miami Marlins activated RHP Anthony Bender from the 15-day injured list. |
| 09/07/24 | Miami Marlins selected the contract of IF Javier Sanoja from Jacksonville Jumbo Shrimp. |
| 09/07/24 | Miami Marlins recalled RHP George Soriano from Jacksonville Jumbo Shrimp. |
| 09/07/24 | Miami Marlins optioned RHP Anthony Maldonado to Jacksonville Jumbo Shrimp. |
| 09/07/24 | Miami Marlins selected the contract of LHP Jonathan Bermúdez from Jacksonville Jumbo Shrimp. |
| 09/07/24 | Miami Marlins recalled RHP Lake Bachar from Jacksonville Jumbo Shrimp. |
| 09/05/24 | Miami Marlins sent LHP Braxton Garrett on a rehab assignment to Jupiter Hammerheads. |
| 09/05/24 | Miami Marlins sent LHP Kent Emanuel outright to Jacksonville Jumbo Shrimp. |
| 09/05/24 | Toronto Blue Jays claimed RHP Emmanuel Ramirez off waivers from Miami Marlins. |
| 09/05/24 | Miami Marlins sent C Ali Sánchez outright to Jacksonville Jumbo Shrimp. |
| 09/04/24 | Miami Marlins activated LHP Anthony Veneziano. |
| 09/04/24 | Miami Marlins optioned RHP George Soriano to Jacksonville Jumbo Shrimp. |
| 09/03/24 | Miami Marlins activated SS Xavier Edwards from the 10-day injured list. |
| 09/03/24 | Miami Marlins sent LHP Ryan Weathers on a rehab assignment to Jupiter Hammerheads. |
| 09/03/24 | Miami Marlins designated C Ali Sánchez for assignment. |
| 09/03/24 | Miami Marlins designated LHP Kent Emanuel for assignment. |
| 09/03/24 | Miami Marlins designated RHP Emmanuel Ramirez for assignment. |
| 09/03/24 | Miami Marlins optioned LHP Josh Simpson to Jacksonville Jumbo Shrimp. |
| 09/03/24 | Miami Marlins claimed RHP Lake Bachar off waivers from San Diego Padres. |
| 09/03/24 | Miami Marlins recalled RHP Anthony Maldonado from Jacksonville Jumbo Shrimp. |
| 09/03/24 | Miami Marlins claimed LHP Anthony Veneziano off waivers from Kansas City Royals. |
| 09/02/24 | Miami Marlins sent LHP Jonathan Bermúdez outright to Jacksonville Jumbo Shrimp. |
| 09/01/24 | Miami Marlins recalled C Jhonny Pereda from Jacksonville Jumbo Shrimp. |
| 09/01/24 | Miami Marlins recalled RHP Darren McCaughan from Jacksonville Jumbo Shrimp. |