Keegan Bradley has beaten Justin Rose in a sudden-death playoff to win the BMW Championship on Monday for his first PGA Tour victory in six long years.
But he was thrilled after becoming the 22nd man to hold the top spot since rankings began in 1986.
Both missed the green right with their approaches, facing similar shots, and though Bradley left himself within tap-in range, Rose watched in despair as his short putt for par slid by, leaving Bradley to finish out for a huge win.
Woods took away any suspense about getting back to the Tour Championship for the first time since 2013. "Hit a great putt in regulation to (try and) win it, but then it was a poor playoff putt from me". Rose also becomes the fourth Englishman to be crowned world number one after Sir Nick Faldo, Lee Westwood and Luke Donald. "I kind of fell of the radar there for a little while".
Three-time major victor and former world number one Jordan Spieth carded a three-over 73 for his final round to finish tied-55th and subsequently drop from 27th in FedEx Cup points to 31st, meaning he will miss out on the Tour Championship for the first time since turning pro.
"I was in control of my own destiny and didn't have it this week, " said Spieth, who shot 73 on Monday at Aronimink Golf Club to tie for 54th.
As usual, it crowded around Tiger Woods.
He will have an unexpected week off before joining the American team for the September 28-30 Ryder Cup in Paris. "If I had made a few more putts this week could have been a different deal coming down the stretch".
"I thought I needed to shoot something around 62 today to have a chance", Woods said.
Jordan Spieth was the most prominent player to miss out.
Spieth failed to qualify for the season-ending Tour Championship next week after finishing tied for 55th at the BMW Championship and slipping from 27th to 31st in the FedExCup standings.
That means he will have played only 24 tournaments this season.
As part of a rule put in place last year to help strengthen fields, the tour requires players who are not lifetime members or veterans (think Woods, Phil Mickelson, Vijay Singh) to play at least one event per year that they have not played in the past four.
"It's something I can say now in my career I've been the best player in the world". Bradley shot a 64, Rose a 67, Schauffele a 67, Woods a 65, Horschel a 64, and McIlroy a 68.