Offseason
- November 22, 1977: Goose Gossage was signed as a free agent by the Yankees.
- December 5, 1977: Jesús Figueroa was drafted from the Yankees by the Chicago Cubs in the 1977 rule 5 draft.
- December 9, 1977: Sergio Ferrer was traded by the Yankees to the New York Mets for Roy Staiger.
- December 12, 1977: Stan Thomas and Ed Ricks (minors) were traded by the Yankees to the Chicago White Sox for Jim Spencer, Tommy Cruz and Bob Polinsky (minors).
Read more about this topic: 1978 New York Yankees Season