Leading first-round scores on Thursday in the US PGA Tour Farmers Insurance Open on the North and South courses at Torrey Pines in San Diego, California (USA unless noted, par-72): 64 - Patrick Reed, Alex Noren (SWE) 65 - Scottie Scheffler 66 - Beau Hossler, Peter Malnati, Talor Gooch, Luke List, Sam Burns, Gary Woodland, Ryan Palmer, Lanto Griffin, Rhein Gibson (AUS), Cameron Smith (AUS), K.J. Choi (KOR), Brandon Hagy 67 - Will Gordon, Wyndham Clark, Tim Wilkinson (NZL), Adam Scott (AUS), Denny McCarthy afp