Offseason
- November 18, 1980: Brad Gulden was traded by the New York Yankees with $150,000 to the Seattle Mariners for a player to be named later and Larry Milbourne. The Seattle Mariners sent back Brad Gulden (May 18, 1981) to the New York Yankees to complete the trade. In effect, Brad Gulden was traded for himself.
- December 8, 1980: Brian Doyle was drafted from the Yankees by the Oakland Athletics in the 1980 rule 5 draft.
- December 15, 1980: Dave Winfield was signed as a Free Agent with the New York Yankees.
- February 16, 1981: Rafael Santana was traded by the Yankees to the St. Louis Cardinals for a player to be named later. The Cardinals completed the deal by sending George Frazier to the Yankees on June 7.
- March 31, 1981: Chris Welsh, Ruppert Jones, Joe Lefebvre, and Tim Lollar were traded by the Yankees to the San Diego Padres for Jerry Mumphrey and John Pacella.
Read more about this topic: 1981 New York Yankees Season