The 2018 Cup Series champion from Middletown, Connecticut, became the 17th different competitor to achieve multiple championships in NASCAR's premier series by claiming his second Cup title with a dominant victory at Phoenix.
The 20-year-old Gibbs from Charlotte, North Carolina, led a race-high 125 of 200-scheduled laps and persevered in a late battle against rivals Gragson and Allgaier to claim his first Xfinity title by winning the finale at Phoenix.
The 23-year-old Smith from Huntington Beach, California, led a race-high 77 of 154 over-scheduled laps and benefitted during an overtime attempt to achieve his first Truck Series title in his third attempt.
The 27-year-old Bell from Norman, Oklahoma and the 29-year-old Chastain from Alva, Florida, both captured Championship 4 spots following a dramatic finish in the Paper Clip venue.
The 20-year-old Gibbs from Charlotte, North Carolina, spoiled teammate Brandon Jones' title hopes by claiming a wild final lap victory and earning himself a spot for the 2022 Xfinity championship finale.
The NASCAR Cup Series and Xfinity Series travel to Martinsville Speedway this week. After the race, only four drivers from each series will move on to compete for the 2022 championship trophy at Phoenix Raceway on Nov. 6.
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.
NASCAR travels to Homestead-Miami Speedway this week as the Playoffs continue. Team Penske’s Joey Logano clinched his spot in the Cup Series Championship 4 Round with a win at Las Vegas last weekend.
The 27-year-old Bell from Norman, Oklahoma, capitalized on a late strategic call for fresh tires followed by two late-race restarts and a series of carnages to punch his ticket into the Round of 8.
The 40-year-old Allmendinger from Los Gatos, California, led a race-high 25 of 72 over-scheduled laps and prevailed through two overtime attempts to claim his fourth consecutive Xfinity victory at the Roval.