Justin Rose claimed his second US PGA Tour title of the season with victory at the AT&T National.
The Englishman, who won the Memorial Tournament June, started the final round with a four shot lead in Pennsylvania.
And a level par closing round of 70 secured a ten under total, enough for a one stroke victory over Ryan Moore.
At last week's Travelers Championship Rose had let a three shot advantage slip in the final round, and the 29 year old would have been forgiven for a sense of déjà vu when he bogeyed the first to see his lead cut to one.
But he responded with two swift birdies, and amongst three further dropped shots eagled the ninth to ensure victory.
"I was a little worried about today based on last Sunday," Rose said. "I just tried to stay within my rhythm. I probably made it closer than it needed to be."
Rose's victory represents the fifth European success on US soil since June, and guarantees him a spot in The Open Championship at St Andrews.
He also moves to second on the US PGA Tour's FedEx Cup list, and is now just outside the automatic qualifying places for Colin Montgomerie's Ryder Cup Team in October.
Sweden's Carl Pettersson completed another impressive European display with his sixth placed finish, with his compatriot Daniel Chopra tied for 11th.
