J. J. Spaun won the U.S. Open at Oakmont by shooting a birdi…
J. J. Spaun won the U.S. Open at Oakmont by shooting a birdie on 18. This is a 502 yard par 4. We will assume the expected shots to hole out is 4.32 from the tee (this is the average over all rounds). His shots are as follows: Blasts his drive 312 yards into the fairway. He is about 190 yards out and his expected shots remaining from here is 3.1 Reaches the green in 2 but is 64 feet away from the hole. His expected shots from here is 2.25. Sinks a miraculous putt from 64 feet away to finish at 1 under par for the tournament. What were the strokes gained from the putt? Enter negative for strokes lost (bad) and positive for a gain (good).