The 1988 PGA Championship was the 70th PGA Championship, held August 11–14 at Oak Tree Golf Club in Edmond, Oklahoma, a suburb north of Oklahoma City. Jeff Sluman shot a final round 65 (–6) to win his only major title, three strokes ahead of runner-up Paul Azinger, the 36-hole and 54-hole leader and former college teammate. Azinger was the reigning Player of the Year on the PGA Tour.In the penultimate pairing on Sunday, Sluman was three strokes back at the start of the round.