The 29-year-old Hill from Winston, Georgia, led nine of 120-scheduled laps and rallied from three different circumstances to three-peat the Xfinity Series' season-opening event at Daytona.
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 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.
Sheldon Creed and Chandler Smith join JGR as new full-time competitors while Almirola headlines the team's All-Star lineup for the upcoming Xfinity season.
The 25-year-old Custer from Ladera Ranch, California, led a race-high 96 of 202 over-scheduled laps and capitalized on an overtime shootout to win the finale in the desert state and become the 33rd different competitor to win an Xfinity Series championship.
The 26-year-old Nemechek from Mooresville, North Carolina, is set to achieve a milestone start while contending for his first Xfinity Series title in the desert state.
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 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.
The 24-year-old Herbst from Las Vegas, Nevada, led a race-high 103 of 201-scheduled laps and beat runner-up John Hunter Nemechek by more than 15 seconds to claim his first Xfinity career victory in his 139th series start.