The Elk Grove, California, native benefitted from a late run-in involving teammate Elliott and Harvick to win for the sixth time in 2021 at Thunder Valley.
The 2017 Cup champion rallied from an opening lap penalty to lead the final 51 laps and beat teammate Denny Hamlin to win at Richmond and advance to the Playoff's Round of 12.
The Tampa, Florida, native erased his difficult regular-season stretch by guaranteeing himself a 2021 Cup Playoff berth following a late victory in the Magic Mile.