“J.J. Spaun (+12500) was a long shot to win the U.S. Open, with only 0.1 percent of bets on him before Round 1 started,” Christian Cipollini, senior trading manager at BetMGM, said.

Celebrate J.J. Spaun's victory in the U.S. Open -- with a 64-foot birdie putt on the 72nd hole ... J.J. Spaun’s story will long be remembered by golf fans the world over.

Celebrate J.J. Spaun's victory in the U.S. Open -- with a 64-foot birdie putt on the 72nd hole ... J.J. Spaun’s story will long be remembered by golf fans the world over.

J.J. Spaun with wife, Melody, and daughters, Violet and Emerson. (Photo by Ben Jared/PGA TOUR via Getty Images) Golf fans are of the view that something is going on between U.S. Open Championship ...