The 37-year-old Allgaier from Riverton, Illinois, led 21 of 256 over-scheduled laps and went from third to first on the final lap amid an overtime shootout to claim his fourth Xfinity victory of 2023 and race his way into the Championship 4 round.
The two-time NASCAR national touring series championship-winning crew chief from Winston-Salem, North Carolina, will reunite with RCR for the first time since 2019 to lead newcomer Jesse Love and the No. 2 team for the upcoming Xfinity season.
The 2023 ARCA Menards Series champion from Menlo Park, California, will replace Sheldon Creed as the driver of RCR's No. 2 entry for the 2024 Xfinity Series season.
The 2017 NASCAR Truck Series champion from Norman, Oklahoma, led 26 of 267 laps, including the final 15, en route to his second Cup Series victory of 2023 and claim a Championship 4 berth for a second consecutive season.
The 20-year-old Mayer from Franklin, Wisconsin, led 46 of 200-scheduled laps and capitalized on a late-race restart with 23 laps remaining to race his way into the Championship 4 with his fourth Xfinity victory of 2023 at Miami.
Eleven days after announcing his move to the NASCAR Cup Series for the 2024 season, Carson Hocevar will receive an opportunity to contend for this year's NASCAR Craftsman Truck Series championship.
The 2019 ARCA Menards Series champion from Greenville, New York, will return for a second Truck Series campaign with McAnally-Hilgemann Racing for the 2024 season.
The 2011 Daytona 500 champion from Knoxville, Tennessee, will be making his first Truck Series start since 2020 for this upcoming weekend with Rackley W.A.R. in Miami.
The 2021 Cup Series champion from Elk Grove, California, led a race-high 133 of 267-scheduled laps and fended off a last-lap charge from Christopher Bell to become the first Playoff contender to clinch a Championship 4 berth.
