Johnny Miller shot a final-round 66 to win the 1976 Open Championship at Royal Birkdale. His closing round was six under par on a par-72 course, producing a four-round total of 279, or nine under par.
Miller began the final round two strokes behind 54-hole leader Seve Ballesteros. While Ballesteros struggled, Miller steadily pulled away and finished six shots clear of Ballesteros and Jack Nicklaus, who tied for second at 285.
The victory was Miller’s only Open Championship title and his second major championship, following his 1973 U.S. Open win. The 1976 tournament was the 105th Open and marked Royal Birkdale’s fourth staging of the event.
A common mix-up is confusing Miller’s final-round 66 with his total score of 279. The 66 is specifically his Saturday closing-round score, not his tournament aggregate.