Look: USGA provides wrong pin sheet to early groupstheScore
Other than clubs, the most important thing a professional golfer needs is the pin sheet for that round.
On Sunday, the USGA handed out incorrect pin sheets to early groups at Erin Hills, giving the wrong hole location at the par-4 13th.
The picture on the left shows the hole cut 32 paces from the front edge and seven paces from the right edge, which wasn't the case. The correct position was 21 paces on, and nine paces from the left.
When the USGA realized the mistake, it rushed the accurate information out to the early groups, prior to anyone playing the hole, according to Michael Collins of ESPN.
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