England's Matt Fitzpatrick moved into the lead at the RBC Heritage after a superb eight-under 63 in the third round at Harbour Town.
The 28-year-old, who won the US Open in 2022, carded an eagle and six birdies to move to 14 under in South Carolina.
Fitzpatrick's eagle came when he holed a 149-yard approach on the third hole.
Patrick Cantlay is second on 13 under after a 66 while fellow American Jordan Spieth, who shot the same score, is third on 12 under.
England's Tommy Fleetwood carded a 68 to move to 11 under.
Spain's Masters champion Jon Rahmis eight under after his third-round 69, alongside English duo Justin Rose (72) and Aaron Rai (71).
