Offseason
- December 3, 1974: Del Unser, Mac Scarce and John Stearns were traded by the Phillies to the New York Mets for Tug McGraw, Don Hahn, and Dave Schneck.
- January 30, 1975: José Moreno was as an amateur free agent signed by the Phillies.
- February 5, 1975: Orlando Isales was signed as an amateur free agent by the Phillies.
Read more about this topic: 1975 Philadelphia Phillies Season