Gateway: #2: Josef Newgarden, Team Penske Chevrolet #26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda #5: Pato O'Ward, Arrow McLaren Chevrolet
#2: Josef Newgarden, Team Penske Chevrolet
#26: Colton Herta, Andretti Autosport w/ Curb-Agajanian Honda
#5: Pato O'Ward, Arrow McLaren Chevrolet