Sam Ryder, Aaron Rai and Brent Grant all shoot 64 on Torrey Pines' North Course to sit atop the leaderboard as Jon Rahm shoots 73 on the South Course.
Trio shares lead after first round of Farmers Insurance Open in La Jolla
Sam Ryder, Aaron Rai and Brent Grant all shoot 64 on Torrey Pines' North Course to sit atop the leaderboard as Jon Rahm shoots 73 on the South Course.