William McGirt beat Tyson Ross Jersey Jon Curran on the second playoff hole Sunday to win the Memorial Tournament at Muirfield Village Golf Club.MORE: Jack Nicklaus' tournament has become one of the premier events on tour, and McGirt persevered some tough conditions and strong competition to earn his first PGA Tour win.After finishing regulation at 15 under, tied with Curran, McGirt dispatched the former Vanderbilt star on their second trip to the 18th hole. With Curran facing bogey, McGirt was left with a tricky up-and-down to win the tournament with a par. He didn't disappoint.William McGirt has this putt to win the Memorial Tournament. PGA TOUR (@PGATOUR) Dustin Johnson, despite hitting two monster tee shots over 350 yards down the stretch, settled for solo third at 14 under after struggling on the back nine. James McCann Jersey Johnson finished the inward nine with four bogeys and two birdies. He now has six top-5 finishes this season without a win.MORE: Rory McIlroy led a group of four talented players tied for fourth at 13 under after firing a 4-under 68 on a windy final round in Ohio. Matt Kuchar, who held the lead on the back nine Sunday, J JaCoby Jones Jersey .B Holmes and Gary Woodland also finished at 13 under.After a short rain delay, Kuchar came Leonys Martin Jersey back out and immediately double-bogeyed the par-4 13th. The poor hole dropped him two shots back. He was never able to make up the ground.Emiliano Grillo also had a disappointing back nine. The talented 23-year-old, who earned his first PGA Tour win last fall, climbed all the way to 16 under until he bogeyed the first four holes on the back nine. He did birdie 14, but he double-bogeyed the par-4 17th to ball back into a tie for 11th at 11 under after shooting a 5-over 41 on the finishing nine.MORE Matt Moore Jersey : McGirt, who entered the week 102nd in the world ranking, will now be in the field at the British Open and next year's Masters, among others, with this win.