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,

Aldrich Potgieter and Kevin Roy fired course-record 62s at Detroit Golf Club on Thursday to share the first-round lead in the US PGA Tour Rocket Classic.Potgieter and Roy both broke the previous course record of 63 -- matched Thursday by Australian Min Woo Lee and Americans Max Greyserman and Mark Hubbard.

The putt grazed the left edge, with Potgieter missing an opportunity to cap a record-setting day by taking the outright first-round lead at the Rocket Classic on Thursday.