The United States has a slight edge going into the final day of the Presidents Cup in South Korea.
Sure, world No. 1 Jordan Spieth may have something to do with it, making two clutch putts in morning foursomes and eight birdies in 14 holes in a fourballs victory in the afternoon to rally the American troops.
Or it could be Phil Mickelson's belly.
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Players left and right could be seen Friday taking rubs of Lefty's tummy, Buddha-style, for good luck.