American duo Matt Kuchar and Harris English cruised to an unprecedented third QBE Shootout title after shattering records on Sunday.

Kuchar and English became the most successful pairing at the PGA Tour event thanks to a nine-stroke victory, having added to their 2013 and 2016 triumphs in Naples, Florida.

The dominant pair reached 37 under following three rounds over three different formats – a new record at the QBE Shootout.

Kuchar and English posted a 12-under 60 in the fourball format as they also broke the record for margin of victory, eclipsing the seven-shot win they celebrated in 2013.

"As a team, we crushed it this week," English said. "You've got to putt well in all formats and we did that. Matt made a lot of clutch putts, especially on the first day.

"It felt like pretty easy golf out here. It was a lot of fun to play."

Kuchar added: "We've got an incredible record. We're going to have a hard time catching that record."

Defending champions Rory Sabbatini and Kevin Tway finished as runners-up at Tiburon Golf Club alongside Mackenzie Hughes and Lanto Griffin, and Sean O'Hair and Kevin Na.

Billy Horschel and Brendon Todd, Tony Finau and Cameron Champ, and Louis Oosthuizen and Bubba Watson were two strokes further back at 26 under.

Matt Wallace and Camilo Villegas share the one-stroke lead after the opening round of The RSM Classic.

Wallace and Villegas, who both played the Seaside Course at Sea Island Golf Club, carded six-under-par 64s on Thursday.

Colombian golfer Villegas birdied his last hole to end the round bogey-free and claim a share of the lead with England's Wallace.

Villegas – making his seventh RSM Classic start – is seeking his fifth PGA Tour victory and first since the 2014 Wyndham Championship.

Wallace, a four-time winner on the European Tour still eyeing his maiden PGA Tour crown, holed eight birdies and two bogeys to top the leaderboard. 

Rory Sabbatini, Peter Malnati, Cameron Tringale, Adam Long, Patton Kizzire, 2014 winner Robert Streb, Keegan Bradley and Doug Ghim are five under heading into the second round.

Zach Johnson opened with a 66 in his 11th RSM Classic start, marking the third occasion to start the event with a sub-70 score. He claimed top-10 finishes in 2017 (tied for eighth) and 2018 (tied for seventh). 

Former U.S. Open champion Justin Rose posted a two-under-par 70, while Australian star Jason Day shot a 69. 

Defending champion Tyler Duncan – playing the Plantation Course – struggled to a four-over-par 76.

Kevin Tway and Rory Sabbatini fired a final-round 12-under 60 to win the QBE Shootout by two strokes on Sunday.

The duo managed an eagle, 11 birdies and a bogey during the four-ball format in the final round at Tiburon Golf Club in Florida.

They were just four under through nine, but were superb on the back nine, birdieing six holes and managing the eagle at the par-five 14th.

Tway and Sabbatini finished at 31 under, two shots clear of J.T. Poston and Jason Kokrak (62).

Harold Varner III and Ryan Palmer (63), and Brendon Todd and Billy Horschel (63), were tied for third at 28 under.

Ian Poulter and Graeme McDowell fired a nine-under 63 in the third and final round to end up outright fifth.

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