The 29-year-old Chastain from Alva, Florida, rallied from an early pit road speeding penalty to overtake Erik Jones on the final lap through the tri-oval to claim his second career win in NASCAR's premier series.
The NASCAR Cup Series and Xfinity Series travel to Talladega Superspeedway this weekend. The ARCA Menards Series will also complete Saturday afternoon in the General Tire 250.
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 NASCAR Cup Series and Camping World Truck Series travel to Bristol Motor Speedway this week for some dirt track racing under the lights while the Xfinity Series is off.
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.
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.
This weekend the NASCAR Cup Series and the Xfinity Series head to Richmond Raceway where the Next Gen car will make its debut on the first points-paying short track race of the season.
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.
NASCAR travels to Circuit of the Americas (COTA) in Austin, Texas this week for the first of six scheduled Cup Series and Xfinity Series road course races.
23XI Racing driver Tyler Reddick was made available to the media on Saturday after winning the pole for the NASCAR Cup Series race from Darlington Raceway.
BRAD KESELOWSKI, No. 6 Solomon Plumbing Ford Mustang Dark Horse – “I thought it was really smooth. It looks like Chris is qualified right next to me. I felt like I got all it had. We know the cars are gonna be very difficult to drive and that did not disappoint.”
Ryan Preece, driver of the No. 60 Kroger/Oscar Mayer/Heinz Ford Mustang Dark Horse, came into the Darlington Raceway infield media center before practice to talk about this weekend’s race.
