Russell Henley's pursuit of his first PGA Tour title in four years remains on track after a third round 69 kept him in the lead, three strokes clear at the Wyndham Championship on Saturday.

Henley, who held a four-shot lead at the halfway mark, carded a one-under-69 highlighted by an eagle on the 15th hole, before bogeying the 18th at Sedgefield Country Club.

World number 54 Henley sunk a 33-foot eagle putt for his eagle in a stable round which included two bogeys and one birdie.

The American is ahead of Tyler McCumber who moved into outright second with a round of four-under-66 buoyed by three birdies on his front nine to be 12 under.

McCumber landed a 53-foot putt for birdie on the 11th hole as he launched into contention.

South African Branden Grace and Roger Sloan stormed up the leaderboard, both carding rounds of six-under-64 to be tied for third with 11 under.

The pair are alongside Kevin Kisner, Kevin Na, Scott Piercy and Rory Sabbatini at 11 under. Sloan's 54-hole of 199 is a career low for the Canadian.

Australian Adam Scott also shot a six-under-64 to move up to 10 under, level with a number of players including former Wyndham winner Webb Simpson who had an up-and-down day.

Simpson was joint second at the halfway mark but his third round included a triple bogey on the 14th in a dramatic run of five holes on his back nine which included three birdies and a bogey as well.