Jordan Spieth rolled in a bending, 28- foot birdie putt on the third playoff hole Sunday to defeat Patrick Reed and 2008 champion Sean O'Hair and win the Valspar Championship.

After hitting his tee shot on the green at the par-3 17th, Spieth watched as Reed and O'Hair failed to make birdie before rolling in his huge putt for the win. The trio finished regulation tied for the lead at 10-under-par 274.

Spieth, who now has two career victories on the PGA Tour, carded a 2-under 69 in the final round. Reed fired a 5-under 66, while O'Hair shot a 4-under 67 on the Copperhead Course at Innisbrook Golf & Spa Resort.

World No. 3 Henrik Stenson hung around throughout most of the day, but his 67 was not quite enough as he ended alone in fourth at 9-under 275.

Third-round leader Ryan Moore, who held a 3-shot lead with six holes to play, made three crucial bogeys down the stretch and was unable to make birdies when it mattered most. Moore shot a 1-over 72 and finished alone in fifth at minus-8.