The 24-year-old Gragson from Las Vegas, Nevada, became the second Xfinity competitor to clinch a Championship 4 spot by claiming his first elusive victory at Miami.
Th 40-year-old Allmendinger from Los Gatos, California, became the second Xfinity competitor to secure a spot into the penultimate Playoff round with his fourth victory of 2022.
In a dominant run by JR Motorsports on home turf, Josh Berry prevailed after a late battle with teammate Justin Allgaier before cruising to win the Alsco Uniforms 300 at Charlotte Motor Speedway on Saturday, May 28.
The 19-year-old Gibbs from Charlotte, North Carolina, utilized a crossover move on Ryan Sieg on the final lap to become the first repeat winner of the 2022 Xfinity Series season.
The JR Motorsports' competitor from Las Vegas led a race-high 114 of 200 laps en route to his first Xfinity Series victory of 2022 in the desert state.
“I don’t know what comes of this,” Bayne continued. “I don’t know if I end up back in a Cup car full-time or a Xfinity car contending for championships. That’s what I would love to see happen."
The Ladera Ranch, California, native rallied from two slow pit stops and through three overtime restarts to claim a dominant victory in NASCAR's return at Auto Club Speedway.