Offseason
- January 17, 1984: Damon Berryhill was drafted by the Cubs in the 1st round (4th pick) of the 1984 Major League Baseball Draft. Player signed June 2, 1984.
- March 26, 1984: Bill Campbell and Mike Diaz were traded by the Cubs to the Philadelphia Phillies for Porfi Altamirano, Gary Matthews and Bob Dernier.
- March 31, 1984: Alan Hargesheimer was traded by the Cubs to the Kansas City Royals for Don Werner and Derek Botelho.
Read more about this topic: 1984 Chicago Cubs Season