Adam Schenk (65) and Ricky Castillo (67) are 15 under, with Kurt Kitiyama (68) and Jhonattan Vegas (67) another shot back.Scheffler had his first two bogeys of the tournament and was 2 under for the day through 13 holes after missing the PGA Tour record for the lowest 36-hole score by one shot at 124 (18 under).

As if his six-shot lead wasn’t commanding enough as he stepped to the first tee at 3:15 p.m. Saturday, most other intangibles strongly tilted in his favor. He is ranked No. 1 in the world and has 13 career wins.

The purse at this week's PGA Tour event, the CJ Cup Byron Nelson, is $9.9 million, with $1.782 million going to the winner. There are also 500 FedEx Cup points up for grabs for this week's champ.