The two-time Cup champion from Las Vegas, Nevada, benefitted from a final lap collision involving Tyler Reddick and Chase Briscoe to become the ninth different competitor to reach 60 victories in NASCAR's premier series.
The 24-year-old Byron from Charlotte, North Carolina, led a race-high 212 of 403 and fended off Joey Logano during an overtime shootout to repeat as a Cup winner at the Paperclip-shaped short track.
Denny Hamlin passed William Byron with five laps remaining and held off Kevin Harvick to win the Toyota Owners 400 Richmond. It was Hamlin's first win of the year as well as his first top 10 of the year.
The three-time Daytona 500 champion from Chesterfield, Virginia, fended off Kevin Harvick in the final five laps to notch a breakthrough victory at his home track.
The Alva, Florida, native bumped AJ Allmendinger and Alex Bowman out of the racing groove on the final lap to earn the first win in NASCAR's premier series for himself and Trackhouse Racing in Austin.
The Tucson, Arizona, native made a late two-tire pit strategy work to his advantage after fending off teammate Larson in overtime to capture first victory at Vegas.
The 2015 Xfinity Series champion capped off a perfect day for the newly named Roush Fenway Keselowski Racing by winning the second of two Duel events at Daytona.
The Elk Grove, California, native fended off Martin Truex Jr. in a 24-lap shootout to win for the 10th time in 2021 and for his first NASCAR Cup Series championship in the desert state.
