Offseason
- December 12, 1984: Brian Harper and John Tudor were traded by the Pirates to the St. Louis Cardinals for George Hendrick and Steve Barnard (minors).
- December 20, 1984: Jay Buhner, Dale Berra and Alfonso Pulido were traded by the Pirates to the New York Yankees for Steve Kemp, Tim Foli, and cash.
- February 28, 1985: Rick Reuschel was signed as a free agent by the Pirates.
- March 1, 1985: Scott Loucks was signed as a free agent by the Pirates.
Read more about this topic: 1985 Pittsburgh Pirates Season