Jake Knapp shot par-72 in his opening round, and followed that up with an 11-under 61 to vault up the leaderboard at Detroit Golf Club.

Jake Knapp broke the Detroit Golf Club course record Friday in Round 2 with an 11-under-par 61, breaking mark of 62 set Thursday at Rocket Classic.

Jake Knapp shot an 11-under 61 to break a Rocket Classic record that stood for less than a day, becoming the first PGA Tour player to break 60 and shoot a 61 or lower in the same season.