January 09, 2018

Tigers  sign Pete Kozma

January 24, 2018

Tigers  sign Caleb Thielbar

March 28, 2018

Tigers  place Mike Fiers on the injured list

April 23, 2018

Tigers  designate Drew VerHagen for assignment

April 30, 2018

Tigers  place Daniel Norris on the injured list

May 04, 2018

Tigers  place Miguel Cabrera on the injured list

May 08, 2018

Tigers  place Jordan Zimmermann on the injured list

May 14, 2018

Tigers  place Jeimer Candelario on the injured list

June 01, 2018

Tigers  designate Pete Kozma for assignment

June 13, 2018

Tigers  place Miguel Cabrera on the injured list

June 18, 2018

Tigers  sign Garrett Hill

June 20, 2018

Tigers  place Drew VerHagen on the injured list

Tigers  sign Tarik Skubal

June 25, 2018

Tigers  sign Casey Mize

Tigers  sign Kody Clemens

July 02, 2018

Tigers  place Shane Greene on the injured list

July 05, 2018

Tigers  designate Dixon Machado for assignment

July 20, 2018

Tigers  place Michael Fulmer on the injured list

July 31, 2018

August 06, 2018

Mike Fiers traded from Tigers  to Athletics 

August 08, 2018

Tigers  place John Hicks on the injured list

August 13, 2018

Tigers  place JaCoby Jones on the injured list

August 17, 2018

Tigers  place Blaine Hardy on the injured list

August 30, 2018

Tigers  place Jose Iglesias on the injured list

September 21, 2018

Tigers  place Michael Fulmer on the injured list

October 29, 2018

Jose Iglesias became a free agent

November 09, 2018

Tigers  sign Pete Kozma

Tigers  sign Jose Cisnero

November 30, 2018

James McCann became a free agent

December 04, 2018

Tigers  sign Matt Moore as a free agent

December 14, 2018

Tigers  sign Jordy Mercer as a free agent

December 19, 2018

Tigers  sign Nick Ramirez