In 1975, wearing uniform #20, Murcer led the National League in sacrifice flies with 12 and was 5th in walks with 91 and drove in 91 runs and batted .298. He also led the Giants in game-winning hits with 13. Additionally he was fourth among NL right fielders in fielding percentage with .981. On May 24, 1975, Murcer went 2 for 3 with a triple and a home run and had a career-high 6 RBIs in a win over the Cubs. That week he won the first of two National League Player of the Week awards. (He won the second two weeks later when he hit .483 for the week, including one home run and seven RBI).