January 06, 2018

Edward Olivares traded from Blue Jays  to Padres 

January 12, 2018

Blue Jays  sign Jon Berti

January 19, 2018

February 08, 2018

Blue Jays  sign Jake Petricka

February 09, 2018

Blue Jays  sign John Axford

March 07, 2018

Blue Jays  sign Tyler Clippard

March 08, 2018

Blue Jays  sign Ivan Castillo

March 22, 2018

Blue Jays  designate Matt Dermody for assignment

March 29, 2018

Blue Jays  place Anthony Alford on the injured list

Blue Jays  designate Sam Moll for assignment

April 06, 2018

Blue Jays  sign Tyler Ladendorf

April 13, 2018

Blue Jays  place Josh Donaldson on the injured list

April 21, 2018

Jon Berti traded from Blue Jays  to Indians 

April 30, 2018

Blue Jays  place Randal Grichuk on the injured list

May 08, 2018

Blue Jays  place Aledmys Diaz on the injured list

May 09, 2018

Gio Urshela traded from Indians  to Blue Jays 

May 11, 2018

Blue Jays  place Marcus Stroman on the injured list

June 01, 2018

Blue Jays  place Josh Donaldson on the injured list

June 08, 2018

Jon Berti traded from Indians  to Blue Jays 

June 12, 2018

Blue Jays  sign Nick Allgeyer

Blue Jays  sign Cal Stevenson

Blue Jays  sign Vinny Capra

Blue Jays  sign Jordan Groshans

June 23, 2018

Blue Jays  place Aaron Sanchez on the injured list

June 26, 2018

Blue Jays  designate Gio Urshela for assignment

June 28, 2018

Santiago Espinal traded from Red Sox  to Blue Jays 

June 30, 2018

Blue Jays  place Ryan Tepera on the injured list

July 04, 2018

Blue Jays  designate Preston Guilmet for assignment

July 09, 2018

Blue Jays  sign Shawn Morimando

July 15, 2018

Blue Jays  place Lourdes Gurriel on the injured list

Blue Jays  place Kevin Pillar on the injured list

July 26, 2018

July 30, 2018

July 31, 2018

Aaron Loup traded from Blue Jays  to Phillies 

John Axford traded from Blue Jays  to Dodgers 

August 01, 2018

Blue Jays  place Lourdes Gurriel on the injured list

August 04, 2018

Gio Urshela traded from Blue Jays  to Yankees 

August 07, 2018

Blue Jays  place Brandon Drury on the injured list

August 14, 2018

Bryan Baker traded from Rockies  to Blue Jays 

August 19, 2018

Blue Jays  place Marcus Stroman on the injured list

August 31, 2018

Josh Donaldson traded from Blue Jays  to Indians 

September 04, 2018

Blue Jays  place Joe Biagini on the injured list

October 05, 2018

Blue Jays  designate Jon Berti for assignment

Julian Merryweather traded from Indians  to Blue Jays 

October 29, 2018

Tyler Clippard became a free agent

November 17, 2018

November 26, 2018

Blue Jays  designate Mark Leiter for assignment

December 21, 2018

Blue Jays  sign Eric Sogard

December 28, 2018

Blue Jays  sign Matt Shoemaker as a free agent