Leading scores on Thursday after the first round of the PGA Tour's $6.5 million Pebble Beach National Pro-Am (USA unless noted):
64 - Russell Knox (SCO)
65 - Greg Owen (ENG), Ryuji Imada (JPN), Scott Langley
66 - Hunter Mahan, Lee Williams, Patrick Cantlay, Brandt Snedeker
67 - Matt Every, Seung-Yul Noh (KOR), Ted Potter, Jeff Maggert, Brendon de Jonge (ZIM), Camilo Villegas (COL), Neal Lancaster
68 - Lee Westwood (ENG), Kevin Na, Patrick Reed, John Merrick, Luke Guthrie, Alistair Presnell (AUS), Tim Petrovic, Jason Day (AUS), Brendon Todd, Eric Meierdierks, Nick Watney, Jimmy Walker, D.A. Points, John Mallinger, Richard H. Lee, Brian Harman
Note: Competitors are playing on three different courses, comprising Spyglass Hill, Shore Course and Pebble Beach.