Chip Beck, 1991

(Golfweek File, 2013)
During the third round of the 1991 Las Vegas Invitational at the Sunrise Golf Course, Beck caught fire and shot a 13 under (all birdies) on the par-72 layout. He made the turn, after starting on the back nine, with a 7-under 29. He proceeded to shoot 6 under on the front.