The Welcome, North Carolina, native utilized a crossover move to overtake Wallace on the final lap and claim the victory in the second Daytona Duel event.
The two-time Cup champion benefitted from a last lap incident involving Chase Elliott and Ryan Blaney to steal the win in the first Busch Clash event on Daytona's RC.
The Dawsonville, Georgia, native rallied from the rear of the field to dominate and pull away late from his title rivals to claim his first Cup title in his fifth full-time season.
A late turn of events at Martinsville Speedway resulted with Chase Elliott racing his way into the Championship 4 finale by winning and Kevin Harvick eliminated from title contention by a narrow margin.