Lee Trevino won the first of his two PGA Championships, one stroke ahead of defending champion Jack Nicklaus.
It was the final major in which he was in contention, his next best finish was a tie for 42nd at the PGA Championship in 1979.
Gary Player's bid to win three majors in 1974 came up short in the final round; the winner of the Masters and Open Championship finished four strokes back at even par, in seventh place.
Trevino used a putter he found in a friend's attic only days before and had only one three-putt, on the 71st hole.
[5] This championship coincided with the resignation of President Nixon, who left office on Friday.