Ian Poulter shows how difficult U.S. Open rough is

Hey, here's an idea for golfers hoping for low numbers at the 2018 U.S. Open: STAY OUT OF THE ROUGH AT ALL COSTS.

Seriously. There's a reason why scenes like this will happen:

Take it from Ian Poulter, who tested the rough on Wednesday to show everyone how punishing it is:

This seems like an annual video - just ask Kevin Na - and for good reason. This is why the U.S. Open is the toughest challenge in golf every year.

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