Dusin Johnson and ‘Bunkergate’ at the 2010 PGA

Dustin Johnson hits out of a waste bunker at the 2010 PGA Championship.
John Biever for Sports Illustrated

After finishing the 72nd hole of the 2010 PGA Championship at Whistling Straits, Dustin Johnson believed he had made it into a playoff. But Johnson had unknowingly played his second shot on 18 from a waste bunker and grounded his club. The ensuing two-stroke penalty knocked him out of the playoff.