The 26-year-old Byron from Charlotte, North Carolina, led the final four of 200 laps and prevailed during a four-lap shootout to become the 43rd competitor to win the Great American Race.
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.
Ryan Blaney won Stage 1 at Talladega Superspeedway and held off Kevin Harvick in a wild finish to win the YellaWood 500 and lock in his spot in the Round Of 8.
The 29-year-old Blaney from High Point, North Carolina, led eight of 188-scheduled laps and beat Kevin Harvick by 0.012 seconds to grab his second Cup Series victory of 2023 and transfer into the Playoff's Round of 8.
The 25-year-old Byron from Charlotte, North Carolina, led the final six of 267-scheduled laps and overtook pole-sitter Bubba Wallace during a six-lap shootout to notch his sixth Cup victory of the 2023 season and deliver a milestone victory for Hendrick Motorsports.
The two-time Xfinity Series champion from Corning, California, led the final two of 268 over-scheduled laps and capitalized on a late caution period to win in overtime and transfer to the second round of the 2023 Cup Series Playoffs.
The 2015 Xfinity Series champion from Prosper, Texas, led the final two of 163 over-scheduled laps and benefitted in overtime with drafting help from teammate Keselowski to capture his third checkered flag of the 2023 Cup Series season in the regular-season finale.
The 25-year-old Byron from Charlotte, North Carolina, led a race-high 66 of 90 laps en route to his fifth Cup Series victory of the 2023 season at The Glen.