The 29-year-old Bell from Norman, Oklahoma, led the final lap of 60 after overtaking teammate Hamlin for his first Duel career victory while the 25-year-old Grala from Boston achieved his third Great American Race career start.
The three-time Daytona 500 champion from Chesterfield, Virginia, led 58 of 151 laps and fended off Kyle Busch during a two-lap shootout to claim his fourth victory at The Clash and first in LA's Memorial Coliseum.
Two Cup Series veterans and former Clash winners, both of whom hold the top-two active starts in the Clash, are set to achieve milestone starts of their own within the exhibition feature at The Coliseum.
The 29-year-old, third-generation Blaney from High Point, North Carolina, outdueled title rivals Kyle Larson, William Byron and Christopher Bell to become the 36th different competitor to win a Cup Series title following a runner-up result in the 2023 finale at Phoenix.
The third-generation Blaney from High Point, North Carolina, led 145 of 500 laps and beat runner-up Aric Almirola by nearly nine-tenths of a second to claim his third Cup Series victory of 2023 and secure his first Championship 4 berth.
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 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.
The 41-year-old Allmendinger from Los Gatos, California, led a race-high 46 of 109 laps and survived four caution and restart attempts before fending off a hard-charging Byron to claim his first Cup victory of the 2023 season at the Charlotte Roval.