April 05, 2015
Blue Jays 
place
Marcus Stroman
on the injured list
May 10, 2015
Blue Jays
designate
Preston Guilmet
for assignment
May 15, 2015
Ronald Torreyes
traded from
Astros
to
Blue Jays
June 12, 2015
Ronald Torreyes
traded from
Blue Jays
to
Dodgers
June 14, 2015
Blue Jays
place
Aaron Sanchez
on the injured list
June 15, 2015
Blue Jays
sign
Travis Bergen
Blue Jays
sign
Tayler Saucedo
June 24, 2015
Blue Jays
sign
Danny Young
July 02, 2015
Blue Jays
sign
Vladimir Guerrero Jr.
July 28, 2015
Jesus Tinoco
traded from
Blue Jays
to
Rockies
Miguel Castro
traded from
Blue Jays
to
Rockies
Jeff Hoffman
traded from
Blue Jays
to
Rockies
July 30, 2015
Daniel Norris
traded from
Blue Jays
to
Tigers
David Price
traded from
Tigers
to
Blue Jays
July 31, 2015
Jake Brentz
traded from
Blue Jays
to
Mariners
August 06, 2015
Blue Jays
sign
Dany Jimenez
September 25, 2015
Blue Jays
sign
Max Castillo
November 02, 2015
David Price
became a free agent
November 20, 2015
Jesse Chavez
traded from
Athletics
to
Blue Jays
Liam Hendriks
traded from
Blue Jays
to
Athletics
November 27, 2015
Blue Jays
sign
J.A. Happ
as a free agent
December 18, 2015
Blue Jays
sign
Wade LeBlanc
as a free agent