Zach Johnson came from behind to deny Jim Furyk victory in the rain delayed BMW Championship as Luke Donald produced a superb late run to make next week’s Tour Championship.
A brilliant bogey free final round 65 was enough for former Masters Tournament winner Johnson, who recorded a two shot victory over Nick Watney for a 16 under par total in Monday's fourth round, which was delayed due to bad weather in Illinois on Sunday.
Eight-time Ryder Cup player Furyk, who carded an historic 59 on day two, followed that with a two under 69 on Saturday to take a one shot lead into the final round.
But the 43 year old, finished with a final round 71 to drop three strokes behind Johnson and leave him still waiting for his first title win since 2010.
Watney hit the lowest score of the day with 64 to move into contention midway through day four, but Johnson shot a six under round and held on to claim the title.
Jason Day and Donald both finished three strokes further back with a final score of 66 to sit alongside Hunter Mahan and Steve Stricker on 11 under par – the Englishman climbing from 54th to 29th in the FedEx Cup, with the top 30 progressing to the final event of the series.
The win was the tenth of Johnson's career and his first this season, and lifted him from 27th to fourth in FedEx Cup points.
He said: "(It's) one of the best final rounds I probably have come up with in a while, especially coming down the stretch.
"It's hard to grasp the last two weeks of golf because I was trying to make that Presidents Cup team without trying to make it. I was trying to get in the top 30 this week without trying to make it."
Johnson won in style with a rally from the back three to master the conditions on a bright and windy day and says the way he claimed victory is something he wants to remember for the future.
"I've got to keep that in the memory bank and certainly relish it, but more than that, I've got to remember it and try to utilise some of the things I've learned over the last three weeks," Johnson said.
"You know, not trying too hard in certain instances when you're trying to make certain things. That's hard to do. If there's any pride, it's the fact that I was able to get the job done on those two occasions."