Bryson DeChambeau had eyes down and lips moving as he made his way to sign his scorecard Friday in the PGA Championship, muttering to himself every step of the way. DeChambeau looked like someone who had thrown away a good round.

Bryson DeChambeau has struggled more than expected at the PGA Championship, but is still keeping his hopes alive.

While DeChambeau admitted The Open Championship remains a mystery that continues to befuddle him, what the big hitter has largely solved are the three United States-based major championships: the Masters, PGA Championship and the U.S. Open.