Offseason
- October 28, 1983: Joe Rudi was released by the Athletics.
- November 21, 1983: Dave Beard and Bob Kearney were traded by the Athletics to the Seattle Mariners for Bill Caudill and Darrel Akerfelds.
- December 13, 1983: Joe Morgan was signed as a free agent by the Athletics.
- December 7, 1983: Rusty McNealy and cash were traded by the Athletics to the Montreal Expos for Ray Burris.
- January 3, 1984: Luis Polonia was signed by the Athletics as an amateur free agent.
- January 3, 1984: Félix José was signed by the Athletics as an amateur free agent.
- January 16, 1984: Jack Daugherty was released by the Athletics.
- February 8, 1984: Tim Belcher was chosen by the Athletics from the New York Yankees as a free agent compensation pick.
Read more about this topic: 1984 Oakland Athletics Season