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U.S. Open champion Martin Kaymer won the PGA Grand Slam of Golf in a playoff over Masters champion Bubba Watson after a wild day in Bermuda.

Kaymer twice lost a three-shot lead in the final round of the 36-hole exhibition for the year's major champions. Watson took a two-shot lead on the par-3 16th when he made birdie and Kaymer made bogey. Kaymer answered with a two-shot swing with a birdie on the par-5 17th as Watson took bogey.

Both made par on the 18th. Kaymer had a 71 and Watson a 69. Kaymer made birdie on the first playoff hole to win.

British Open and PGA champion Rory McIlroy closed with a 75 to finish eight shots behind. Jim Furyk, the alternate, shot 73 and finished last.