With this win, Thomas likely cements his spot as the Player of the Year, having now won five times this season including a major championship win at the PGA Championship. Sep.
Thomas' four-round total of 267 gave him a three-stroke edge over Spieth and a four-stroke victory over Leishman.
But Spieth, who finished second at 14 under, shot two over on the back nine, leaving the door open for the US PGA Championship victor.
Justin Thomas had an answer for everyone in the Dell Technologies Championship with just about every club. Still, he was looking for better, we imagine. Spieth missed the green to the left and had to settle for par.
Open Championship victor Spieth, meanwhile, licked his wounds after a second consecutive runner-up finish.
But Thomas' triumph also served as something else: Another moment in the growing rivalry of a generation that, while it includes others-Dustin Johnson, Rory McIlroy, Jason Day, etc. -is tied to the two star pupils of the high school Class of 2011. More concerning, all three finished with the kind of flourish that made the week-long discussion of the Big Names winning these events all the more hard to ignore.
Although Spieth is Thomas' contemporary, he has shot nearly immediately into the consciousness of golf fans, winning three majors, 11 tournaments, the 2015 FedEx Cup championship and Tour Player of the Year.
Spieth caught him and then Thomas roared past both of them in a three-man duel. "You want to get yourself in those positions, and you learn a lot from wins and losses". "We've had a great year, obviously there are two more events to try and finish it off". "I hit my irons really well, and my short game was good if I needed it".
Spieth then had a bogey at the 12th with a birdie at No. 13, and he bogeyed Nos.
They were at 12-under 201 with no room for error on a leaderboard that was packed with some of golf's best players. And then he closed with two bogeys that only cost him money.
England's Paul Casey (third-round 67) is one shot back of Thomas and Leishman in solo third, while world No. 2 Jordan Spieth (66) Grayson Murray (67) and Canada's Adam Hadwin (68) round out the top five in a tie for fourth, two shots back.
Playing in the group ahead, Spieth too had reeled of a stunning first nine of 30, his highlight coming at the par-five 2nd where his approach from well over 200 yards finished 6 feet from the hole. Notes: The top 70 in the FedExCup after this week advance to the BMW Championship. I'm in better shape.
"But I feel confident when I get in these situations like today, or like I did at the PGA, I feel like I can get it done".
"It's disappointing. But you know, with everything that's going on in the world, I mean, there's certainly worse things going on".
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