Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer (R) of Germany shakes hands with Bubba Watson of the United States after winning the PGA Championship golf tournament through a playoff at Whistling Straits in Wisconsin on Aug. 15, 2010.

Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer of Germany reacts after beating Bubba Watson of the United States through a playoff to win the PGA Championship golf tournament at Whistling Straits in Wisconsin on Aug. 15, 2010.

Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer of Germany holds up the trophy after winning the PGA Championship golf tournament through a playoff against Bubba Watson of the United States at Whistling Straits in Wisconsin on Aug. 15, 2010.

U.S. Open golf

U.S. Open golf

PINEHURST, United States - Germany's Martin Kaymer shows off the trophy after winning the U.S. Open golf tournament with a 9-under-par 271 at Pinehurst No. 2 in North Carolina on June 15, 2014. (Pool photo by Kyodo News)

Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer (R) of Germany shakes hands with Bubba Watson of the United States after winning the PGA Championship golf tournament through a playoff at Whistling Straits in Wisconsin on Aug. 15, 2010. (Kyodo)

Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer of Germany reacts after beating Bubba Watson of the United States through a playoff to win the PGA Championship golf tournament at Whistling Straits in Wisconsin on Aug. 15, 2010. (Kyodo)

Kaymer wins PGA Championship

Kaymer wins PGA Championship

KOHLER, United States - Martin Kaymer of Germany holds up the trophy after winning the PGA Championship golf tournament through a playoff against Bubba Watson of the United States at Whistling Straits in Wisconsin on Aug. 15, 2010. (Kyodo)