Tie for the lead at Pebble Beach

Two players are at 6-under through one round of the multi-course Pebble Beach Pro-Am.

Russell Knox fired a 64 at the par-70 Monterrey Peninsula Shore Course, while Hunter Mahan a 6-under 66 at Pebble Beach.

Greg Owen, Scott Langley and Ryuji Imada shot 5-under 65s at Monterrey. Matt Every, Ted Potter Jr. and Seung-Yul Noh are at 5-under 67.