Kaymer won the PGA Championship and three other tournaments and McDowell had the U.S. Open among this three 2010 titles in tying in a vote of a media panel that decided the player of the year award. It is the first time that the award, first given in 1985, has co-winners.
McDowell, ranked No. 7 in the world, became the first European winner of the U.S. Open since 1970 when he was the only player to end up par or better -- he shot an even par 284 -- and topped Gregory Havret by one stroke.
Kaymer, who has moved to No. 3 in the world rankings, claimed his first major championship by defeating Bubba Watson in a 3-hole playoff at the PGA.
They both were also members of the winning European team at the Ryder Cup competition.
"Graeme and I had pretty much the same level of success this season in terms of the majors and on the European Tour and he deserves this recognition as much as I do," Kaymer said in a release. "His winning match in The Ryder Cup was huge for all of Europe and for both of us to now make history in terms of sharing this award for the first time, represents a very proud moment for both our families and also shows how strong European golf is right now."
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