The reigning two-time Cup Series champion from Middletown, Connecticut, led a race-high 140 of 260-scheduled laps and executed a final lap pass on former teammate Brad Keselowski to claim his first Cup victory of the 2023 season and at Atlanta.
The 25-year-old Byron from Charlotte, North Carolina, led 64 of 317 over-scheduled laps and prevailed in two late-race restarts, including one in overtime, to fend off teammate Kyle Larson and nab second consecutive Cup victory in the desert valley.
The 18-year-old Smith from Johnston, Iowa, led a race-high 92 of 200-scheduled laps and fended off teammate Ryan Truex en route to his first Xfinity career win in his 13th series start.
The 28-year-old Hill from Winston, Georgia, led three times for 19 of 200-scheduled laps, including the final two as he tracked and overtook rookie Chandler Smith prior to the final lap for his second Xfinity victory of the 2023 season.
In only his second NASCAR Cup Series race for Richard Childress Racing, Kyle Busch earned his 61st career win in the No. 8 RCR Chevrolet. It was his fifth triumph at Auto Club Speedway and the 19th consecutive season that Bush has been to victory lane in the series.
The two-time Xfinity Series champion from Olive Branch, Mississippi, led the final 10 of 212 over-scheduled laps to become the 42nd different competitor to win the Great American Race.
The 38-year-old Almirola from Tampa, Florida, led 17 of 60 laps, including the final two to claim a second row starting spot for the Great American Race with his second career Duel win.
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.
