Mouw, a 24-year-old PGA Tour rookie out of Pepperdine, went viral on Friday following his disastrous octuple-bogey 13 at the par-5 16th hole at PGA West’s Stadium Course. Mouw yanked his second shot down into the 18-foot-deep bunker that guards the left side of the green – and he’d twice chip back into the bunker after briefly escaping.

William Mouw paid the price for going in the San Andreas Fault bunker at the par-5 16th hole at the Stadium Course at PGA West.

William Mouw was cruising along at the American Express—until he came across the tournament's infamous bunker on the 16th hole.

It was all going well for William Mouw at The American Express tournament until he suffered a disaster on the par-5 16th in his second round. The 24-year-old, who only turned professional two years ago, impressed with a round of 68 on the opening day, teeing off Friday at four-under-par.