I looked it up, 2016 Farmers Insurance at Torre Pines. He shot 73 / 70 / 70 / 69. Finished -6 under tor the tournament, beating KJ Choi by 1, who shot a 76 in the final round.
Other notables from 2016 final round scores :
JB Holmes (-2) T6, final round 76.
Dustin Johnson shot 80
Gary Woodland 82
Michael Kim 83 (He had a shot to win yesterday)
Brian Harmon 86.