Aldrich Potgieter took a peek at the leaderboard before lining up his last putt on a crest of the ninth green, knowing he had to make the 12-footer for birdie to break a tie with Kevin Roy . The putt grazed the left edge,

The course record at Detroit Golf Club was threatened, tied and then finally toppled on Thursday at the Rocket Classic.After budding Australian star Min Woo Lee carded a 9-under-par 63 to match the course record,

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.