Golf: Cink opens five-shot lead in second round of the RBC Heritage

Stewart Cink carded a second successive eight-under-par round of 63 at the RBC Heritage on Friday to move shots clear of Corey Conners at the top of the leaderboard on 16-under. Cink, who is seeking a third victory at Harbour Town Golf Links after winning the event in 2000 and 2004, set a new record for the lowest score after 36 holes at the RBC Heritage. Emiliano Grillo sits alone in third place on 10-under, with Cameron Smith, Billy Horschel, Collin Morikawa and Im Sung-jae all a shot further back at nine-under.