U.S. Open Round 4 GolfCast
Updated: June 10, 2013, 1:03 PM ETESPN.com
The U.S. Open at Merion is underway. Michael Collins and Sarah Turcotte are tracking the final round.
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The U.S. Open, back at Merion Golf Club for the first time since 1981, will play short. But don't expect it to be easy.