Jason Dufner finished two shots clear of Jim Furyk to claim the 95th PGA Championship at Oak Hill Country Club on Sunday.
Furyk started on Sunday one shot ahead of Dufner, who then managed three birdies on a superb front nine to take back control of the tournament.
The 36-year-old only shot two bogeys in the final 28 holes, both coming back-to-back at the end of the closing round, when he was already out of sight of the opposition.
Luckily, there was to be no repeat of 2011, where he was beaten by Keegan Bradley in a playoff, despite leading by four shots with as many holes remaining.
This was a much more professional performance by Dufner, and Sunday's victory was his fifth win of a 13-year career, and the first for over a year.
A finish of 10-under was well worthy of the American's first major, and he will now join Adam Scott (Masters Champion), Phil Mickleson (Open Champion), and Justin Rose (US Open Champion) on the 2013 PGA Grand Slam of Golf that takes place in October.
Elsewhere, pre-tournament favourite Tiger Woods finished on a meagre four-over par, while Rory McIlroy showed some signs he was back to normal, as he carded a final round 70 to end three-under for the weekend.
Dufner also put in the lowest score on the course this week, a second-round 63 on Friday put him well in contention at the half-way stage, and was the main catalyst for a stunning last two rounds.
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