Vick, fresh off of helping the University of Texas capture the NCAA Championship in the Arizona desert, and Texas A&M's Bennett, each had steady rounds with two birdies and two bogeys each. Each ended the day four shots behind leader Adam Hadwin.
Related: Travis Vick eagles his way into the U.S. Open at Dallas Final
The 2021 U.S. Amateur runner-up Austin Greaser also found himself going from lead-chasing to cut-chasing in round one, going from 2 under at the turn to a 2-over 72.
AMATEUR LEADERBOARD, ROUND 1
70 Sam Bennett
70 Travis Vick
72 Austin Greaser
72 Adrien Dumont de Chassart
73 Stewart Hagestad
73 Keita Nakajima
75 William Mouw
75 Laird Shepherd
75 Maxwell Moldovan
76 Charlie Reiter
77 Michael Thorbjornsson
77 Ben Lorenz
78 Nick Dunlap
79 Fred Biondi
83 Caleb Manuel
