January 05, 2021

Tigers  designate Troy Stokes Jr. for assignment

Tigers  sign Robbie Grossman as a free agent

January 07, 2021

Tigers  sign Miguel Del Pozo

January 19, 2021

Tigers  sign Erasmo Ramirez as a free agent

January 25, 2021

Tigers  sign Derek Holland

January 29, 2021

Tigers  designate Sergio Alcantara for assignment

Tigers  sign Wilson Ramos as a free agent

February 05, 2021

Tigers  designate Travis Demeritte for assignment

Tigers  sign Jonathan Schoop as a free agent

February 10, 2021

Tigers  sign Renato Nunez as a free agent

February 12, 2021

Tigers  designate John Schreiber for assignment

Tigers  sign Nomar Mazara as a free agent

February 19, 2021

Tigers  sign Wily Peralta

February 23, 2021

Tigers  sign Julio Teheran

February 27, 2021

Tigers  sign Drew Hutchison as a free agent

March 18, 2021

Tigers  sign Mark Leiter as a free agent

March 19, 2021

Tigers  place Spencer Turnbull on the injured list

April 10, 2021

Tigers  place Julio Teheran on the injured list

April 11, 2021

Tigers  place Julio Teheran on the injured list

Tigers  place Miguel Cabrera on the injured list

April 15, 2021

Tigers  place Nomar Mazara on the injured list

April 21, 2021

Tigers  designate Renato Nunez for assignment

May 06, 2021

Tigers  place Derek Holland on the injured list

May 07, 2021

Tigers  place Wilson Ramos on the injured list

Tigers  designate Buck Farmer for assignment

May 08, 2021

Tigers  place Erasmo Ramirez on the injured list

May 12, 2021

Tigers  place Grayson Greiner on the injured list

May 24, 2021

Tigers  place Wilson Ramos on the injured list

May 29, 2021

Tigers  place Jose Urena on the injured list

June 03, 2021

Tigers  place Victor Reyes on the injured list

June 05, 2021

Tigers  place Spencer Turnbull on the injured list

June 06, 2021

Tigers  place Michael Fulmer on the injured list

Tigers  designate JaCoby Jones for assignment

June 10, 2021

Tigers  place Rony Garcia on the injured list

Tigers  place Derek Hill on the injured list

Tigers  place Derek Holland on the injured list

June 12, 2021

Tigers  place Jeimer Candelario on the injured list

June 15, 2021

Tigers  place Rony Garcia on the injured list

Tigers  place Matt Boyd on the injured list

Tigers  place Alex Lange on the injured list

Tigers  designate Wilson Ramos for assignment

Tigers  designate Beau Burrows for assignment

June 19, 2021

Tigers  place Niko Goodrum on the injured list

June 20, 2021

Tigers  release Wilson Ramos

June 27, 2021

Tigers  place Michael Fulmer on the injured list

July 07, 2021

Tigers  place Spencer Turnbull on the injured list

Tigers  place Daz Cameron on the injured list

July 16, 2021

Tigers  designate Nomar Mazara for assignment

July 17, 2021

Tigers  place Niko Goodrum on the injured list

Tigers  place Jose Urena on the injured list

July 19, 2021

Tigers  place Jake Rogers on the injured list

July 21, 2021

Tigers  release Nomar Mazara

July 22, 2021

Tigers  place Isaac Paredes on the injured list

July 27, 2021

Tigers  designate Ian Krol for assignment

July 30, 2021

Daniel Norris traded from Tigers  to Brewers 

August 11, 2021

Tigers  place Derek Hill on the injured list

Tigers  place Akil Baddoo on the injured list

August 12, 2021

Tigers  place Niko Goodrum on the injured list

Tigers  place Matt Boyd on the injured list

August 15, 2021

Tigers  designate Buck Farmer for assignment

August 17, 2021

Tigers  release Buck Farmer

August 18, 2021

Tigers  place Jake Rogers on the injured list

Dustin Garneau traded from Rockies  to Tigers 

August 19, 2021

Tigers  place Eric Haase on the injured list

August 20, 2021

Tigers  place Akil Baddoo on the injured list

August 21, 2021

Tigers  designate Renato Nunez for assignment

August 22, 2021

Tigers  place Wily Peralta on the injured list

August 24, 2021

Tigers  designate Drew Hutchison for assignment

August 27, 2021

Tigers  designate Erasmo Ramirez for assignment

August 28, 2021

Tigers  designate Ian Krol for assignment

Tigers  release Erasmo Ramirez

September 07, 2021

Tigers  place Joe Jimenez on the injured list

September 10, 2021

Tigers  place Miguel Del Pozo on the injured list

September 11, 2021

Tigers  place Matt Boyd on the injured list

September 14, 2021

Tigers  place Jose Cisnero on the injured list

September 19, 2021

Tigers  place Derek Hill on the injured list

Tigers  place Gregory Soto on the injured list

September 26, 2021

Tigers  place Victor Reyes on the injured list

November 03, 2021

Tucker Barnhart traded from Reds  to Tigers 

Wily Peralta became a free agent

Derek Holland became a free agent

Julio Teheran became a free agent

Jose Urena became a free agent

November 16, 2021

Tigers  sign Eduardo Rodriguez as a free agent

November 19, 2021

Tigers  sign Josh Lester

November 30, 2021

Matt Boyd became a free agent

Grayson Greiner became a free agent

December 01, 2021

Tigers  sign Javier Baez as a free agent