Leading second-round scores on Friday in the US PGA Tour RBC Heritage at Harbour Town Golf Links in Hilton Head Island, South Carolina (USA unless noted, par-71): 126 - Stewart Cink 63-63 131 - Corey Conners (CAN) 67-64 132 - Emiliano Grillo (ARG) 68-64 133 - Cameron Smith (AUS) 62-71, Collin Morikawa 65-68, Im Sung-jae (KOR) 68-65, Billy Horschel 66-67 134 - Wesley Bryan 68-66, Tom Hoge 67-67, Harold Varner 66-68 135 - Abraham Ancer (MEX) 69-66, Shane Lowry (IRL) 70-65, Matt Fitzpatrick (ENG) 71-64, Will Zalatoris 68-67, Michael Thompson 68-67 136 - Lucas Glover 67-69, Kang Sung (KOR) 68-68, Charles Howell 66-70 afp