Offseason
- December 3, 1984: Rule 5 draft
- Manuel Lee was drafted by the Blue Jays from the Houston Astros.
- Lou Thornton was drafted by the Blue Jays from the New York Mets.
- December 8, 1984: Alfredo Griffin, Dave Collins, and cash were traded by the Blue Jays to the Oakland Athletics for Bill Caudill.
- January 24, 1985: Tom Henke was chosen by the Blue Jays from the Texas Rangers as a Free Agent compensation pick.
- January 26, 1985: Jim Gott, Augie Schmidt (minors), and Jack McKnight (minors) were traded by the Blue Jays to the San Francisco Giants for Gary Lavelle.
Read more about this topic: 1985 Toronto Blue Jays Season