Austin claims first title in six years with playoff win

Austin, who had played just three PGA Tour events this season missing the cut in all three, held his nerve on a hot and humid day, rolling in a six-foot putt on the first playoff hole to earn the 49-year-old his first Tour win since 2007.

U.S. golfer Woody Austin watches his second shot on the first hole during the fourth round of the World Golf Championships - Accenture Match Play Championship in Marana

Summerhays birdied his final two holes for a three-under 69 to set-up a playoff with Beckman and Austin, who both closed with 67s to leave the three Americans deadlocked at 20-under 268.

Austin began the day two shots back of overnight leaders Summerhays and Nicholas Thompson and slipped further back with a bogey at the second.

It would be Austin's only stumble of the day as he hit back with an eagle at the par-five fifth, followed by birdies at the sixth and seventh and two more on the back nine to muscle his way top the leaderboard.

It was another disappointing end to a promising week for Summerhays, who was denied his first career win for the second straight week.

Last week at the John Deere Classic, Summerhays, playing in the final group on Sunday, bogeyed his final hole to miss out on a playoff as Jordan Spieth went onto become the first teenager to win a PGA Tour event in 83 years.

(Reporting by Steve Keating in Toronto)