The three stages of Scottie Scheffler's opening-round 64 at the AT&T Byron Nelson

Scottie Scheffler's opening round at the AT&T Byron Nelson can be divided into three stages. The first six holes showcased his dominance, reminiscent of his impressive performances at earlier tournaments. He started with four birdies in five holes, made putts totaling 72 feet, and finished with an eagle chip-in on the sixth hole. It was an exceptional start.

However, the next seven holes saw a downturn for Scheffler, particularly with his putting. Despite his proficiency with the flat stick, there have been instances this season where he has struggled in this area, costing him opportunities to win tournaments. Between the seventh and thirteenth holes, Scheffler experienced two three-putts, missed several birdie putts of varying lengths, and even missed a 7-foot par putt on the 13th hole. His score dropped from 6-under to 3-under, leaving him eight shots behind the leader.

During this rough patch, Scheffler expressed his frustration but maintained that he was hitting good putts that just weren't falling. With the exception of one missed 8-foot