Charley Hoffman leads the RBC Heritage, while Graeme McDowell lies four shots off the pace with one round remaining.

Hoffman hit a 66 and sits on 11 under, two shots clear at the Harbour Town Golf Links.

Americans lie in second and third place also with Webb Simpson on nine under after an impressive 65, and Kevin Streelman on eight under after a 69.

McDowell hit a 68, following on from his 71 and 67, to lie on seven under overall alongside Brendon de Jonge of Zimbabwe.