Like, not good at all. Bad. Borderline unplayable.

MORE: Must-see U.S. Open photos | Golf legend sounds off on poor conditions | Jason Day’s heroic Saturday

Billy Horschel, who on Saturday sounded off on the poor course conditions, nearly committed one of the worst sins in golf after a short putt missed the hole on No. 5 during the final round on Sunday.

 

Grounding your putter on a green is arguably one of the two worst etiquette related things you can do on a golf course.

Clearly, the terrible conditions have not only affected his game, but gotten inside his head as well.

UPDATE: Billy Horschel is the best.