Phil Mickelson

Phil Mickelson of the U.S. makes his second shot on the first hole during the first round of the...

Phil Mickelson of the U.S. makes his second shot on the first hole during the first round of the 2013 U.S. Open golf championship at the Merion Golf Club in Ardmore, Pennsylvania, June 13, 2013. (REUTERS/Matt Sullivan)

, Last Updated: 4:04 PM ET

Phil Mickelson of the U.S. makes his second shot on the first hole during the first round of the 2013 U.S. Open golf championship at the Merion Golf Club in Ardmore, Pennsylvania, June 13, 2013. (REUTERS/Matt Sullivan)

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