The 19-year-old Gibbs from Charlotte, North Carolina, led five of 48 over-scheduled laps as he executed a bold final lap pass on Larson for his eighth Xfinity career victory.
The 23-year-old Gragson from Las Vegas stormed to the lead during the third of three overtime attempts before holding off Jeffrey Earnhardt to grab his first victory at Talladega.
The 19-year-old Gibbs from Charlotte, North Carolina, utilized a crossover move on Ryan Sieg on the final lap to become the first repeat winner of the 2022 Xfinity Series season.
The Winamac, Indiana, native stormed to the lead with two laps remaining before notching up another superspeedway victory of this season and keeping his title hopes alive.