April 13, 2015

Marlins  place Jeff Mathis on the injured list

April 24, 2015

Marlins  place Christian Yelich on the injured list

Marlins  designate Grant Dayton for assignment

June 14, 2015

Marlins  sign Kyle Keller

June 18, 2015

Marlins  sign Cody Poteet

June 22, 2015

Marlins  sign Chris Paddack

June 27, 2015

Marlins  place Giancarlo Stanton on the injured list

July 02, 2015

Marlins  sign Josh Naylor

Marlins  sign Edward Cabrera

July 15, 2015

Grant Dayton traded from Marlins  to Dodgers 

July 17, 2015

Marlins  place Dee Strange-Gordon on the injured list

July 24, 2015

July 30, 2015

Jeff Brigham traded from Dodgers  to Marlins 

July 31, 2015

Elliot Soto traded from Cubs  to Marlins 

Tomas Telis traded from Rangers  to Marlins 

August 04, 2015

Marlins  sign Chris Mazza

August 07, 2015

Marlins  place Jose Urena on the injured list

August 15, 2015

Marlins  place Christian Yelich on the injured list

August 17, 2015

Marlins  place David Phelps on the injured list

September 08, 2015

Marlins  sign Jerar Encarnacion

October 24, 2015

Trevor Williams traded from Marlins  to Pirates 

November 02, 2015

Jeff Mathis became a free agent

November 24, 2015

Marlins  sign DJ Johnson

December 19, 2015

Marlins  sign Jeff Mathis as a free agent