San Francisco -

Webb Simpson wins the 112th U.S. Open golf championship, finishing the four-day event at one shot over par. 

He has only been a pro for four years and had never won a PGA event Until today.

Webb Simpson played his final round at San Francisco's Olympic Club at 2 under, which was enough to top former champs Jim Furyk, Graeme McDowell and Tiger Woods.

A marine layer of fog rolled onto the Olympic Club grounds on Sunday, but it was not enough to keep the 26-year-old Simpson from logging one of the day's best rounds.

Going into the day, Simpson was 35th on the money list, with two top-five finishes and five top-ten finishes. His best event was the Hyundai Tournament of Champions in January, where he finished tied for 3rd.

Tiger Woods put himself out of contention Saturday, after a round of plus-5. Woods finished 25th, going 3 over in the fourth round.

Furyk and McDowell started the day tied for the lead.

McDowell ended the day at 3 over, in third place.

Furyk stumbled on the 18th, finishing the day at 4 over and tied for 8th in the tournament.

Michael Thompson took second.

Padrig Harrington, David Toms, John Peterson, Jason Dufner, Ernie Els and Casey Wittenberg rounded out the top ten.

As the winner, Simpson not only wins the title, gets his name engraved on the trophy and takes home the lion's share of the purse.

He will also be the first winner in the tournament's history to win the newly-authorized Jack Nicklaus medal, named for the four-time U.S. Open champion.