Chris Kirk held off charges from all comers while firing a final-round 66 of his own, beating a trio of contenders by a single stroke to win the Colonial on Sunday.
Kirk finished 12-under with his 4-under 66, defeating Jason Bohn, Jordan Spieth, and Brandt Snedeker by one stroke. Bohn turned in the most surprising performance of the day, a 7-under 63 that saw him jump 22 spots in the standings.
Kirk set the tone for his round with an eagle 3 on the par-5 No. 1. He gave one of those strokes back with a bogey on No. 7, but birdied 9, 12, and 15 to take the title.
Bohn was amazing on the front nine, burying six straight birdies between No. 2 and No. 7, but cooled off the back nine, with a bogey on No. 15 that likely cost him a playoff.
Spieth similarly had just one mistake, a 3-putt bogey on No. 16 that left him a single stroke short when he rallied to birdie No. 18.
Snedeker kept shooting himself in the foot, otherwise he might have taken the title outright. His first eight holes comprised four birdies and two bogeys, then started the back nine with two more birdies.
He bogeyed 13, and parred out the rest of the way.
Day 3 co-leader Ian Poulter was one of five players to tie for fifth at 10 under. After three straight rounds between 65 and 68, Poulter fell back with an even-par 70, parring every hole on the back nine when the chance to move up was there.
The tournament’s other Day 3 co-leader, Kevin Na, fell even farther. He hit a 2-over 72 to drop to a tie for 10th, 9 strokes under par.