 In the 1974 season, McGraw experienced issues with his arm and shoulder.Thus, the Mets traded McGraw, along with outfielders Don Hahn and Dave Schneck, to the Phillies in December 1974 for pitcher Mac Scarce, catcher John Stearns, and outfielder Del Unser.McGraw became a staple of the back end of the Phillies' bullpen, saving 94 games between 1975 and 1982, and earning a place on the 1975 All-Star team.