Andrew Novak and Ben Griffin shot a 1-under 71 in alternate-shot play Sunday to become first-time PGA Tour winners — by one stroke — at the Zurich Classic.

PGA Tour rookies Isaiah Salinda and Kevin Velo shot a 3-under 69 in alternate-shot play Friday to remain atop the leaderboard in the Zurich Classic, and leave defending champions Rory McIlroy and Shane Lowry six strokes back.