Leading first-round scores on Thursday in the US PGA Tour Farmers Insurance Open at Torrey Pines in La Jolla, California (USA unless noted, par-72): 66 - Sebastian Cappelen (DEN), Keegan Bradley 67 - An Byeong-hun (KOR), Joel Dahmen, Kevin Tway, Rory McIlroy (NIR), Zhang Xinjun (CHN), Matthew NeSmith, Im Sung-jae (KOR), Bubba Watson 68 - Cameron Tringale, Billy Horschel, Stewart Cink, Jon Rahm (ESP), Cameron Percy (AUS), Marc Leishman (AUS), J.B. Holmes, Brandon Wu, Dominic Bozzelli, Vincent Whaley 69 - Wyndham Clark, Jhonattan Vegas (VEN), Charley Hoffman, Patric Reed, Patton Kizzire, Brandt Snedeker, Russell Knox (SCO), Tiger Woods, KK Limbhasut (THA), Jason Kokrak, Kang Sung (KOR), Pat Perez, Rhein Gibson afp