|-16 S Cink (United States); -11 C Conners (Can); -ten E Grillo (Arg); -9 C Morikawa (United States), S Im (Kor), C Smith (Aus), B Horschel (United States)|
|Selection of others: -7 Mr. Fitzpatrick (English); -5 R MacIntyre (Sco), I Poulter (Eng), M Wallace (Eng), D Johnson (United States); -3 L Westwood (Eng), T Lewis (Eng), T Hatton (Eng), D Willett (Eng)|
Stewart Cink holds a five-stroke lead at RBC Heritage after posting the 36-hole record at Harbor Town.
The 47-year-old starts the weekend in South Carolina at 16 under par after straight rounds of 63.
This beats the previous mid-term record shared by Phil Mickelson (2002) and Jack Nicklaus (1975) by three strokes.
The American had six birdies and an eagle and hasn’t dropped a shot since his first hole Thursday, ahead of Canada’s Corey Conners.
Emiliano Grillo is 10 under par, with Americans Collin Morikawa and Billy Horschel, Australian Cameron Smith and South Korea Sungjae Im another shot behind at nine under.
Matt Fitzpatrick is seven years younger after a 64 on Friday, with fellow Englanders Ian Poulter and Matt Wallace two behind him alongside Scotland’s Robert MacIntyre.