Watch: Rory McIlroy snaps his club after frustrating start to Zozo Championship

McIlroy's frustrations got the better of him after an errant approach shot

Rory McIlroy at the Zozo Championship in California snaps his club after a wayward approach shot.

It was a day to forget for Rory McIlroy at the Zozo Championship in California after a round of 73 left him tied for 64th in the leaderboard.

Sebastian Munoz recovered from a late double bogey to take an early lead while Tiger Woods reached the turn in three over and dropped another shot to finish on 76.