Two relatively unknown professionals fired historic 62s at the Rocket Classic, setting the course record eight minutes apart from each other.

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 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.