Cars take the starting flag during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kyle Larson, left, and William Byron, right, lead after the first lap during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron, left, leads Kyle Larson early during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron takes Turn 4 during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kyle Larson runs second early during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Cars take the starting flag in Turn 4 during a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron looks at his trophy after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron, front, and team members pose with the trophy after winning the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR great Jeff Gordon, left, gives William Byron a high-five after Byron won a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR legend Jeff Gordon, left, and William Byron, pose with Byron's trophy after winning the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron, right, is greeted by his girlfriend Erin Blaney after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron takes a photo with his trophy after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron does a burnout after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron does a burnout after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron stands on top of his car as he celebrates after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron does a burnout after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Drivers hold their positions while under a caution flag late in the race during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron leads going into the last lap during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron leads the rest of drivers around the track after winning a NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

AJ Allmendinger during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Chris Buescher comes out of smoke caused by another driver during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Ricky Stenhouse Jr. during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR fans watch action during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron receives his trophy after winning the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron family and friends pose with his trophy after winning the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR walk around the infield track during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Pit crews wait for their cars to come in work during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Christopher Bell during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Ryan Preece (41) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Denny Hamlin during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kyle Larson during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Noah Gragson during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR walk around the infield track during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Brad Keselowski (6) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron (front car) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Aric Almirola during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Corey LaJoie (7) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Aj Allmendinger Jr. (16) and Kevin Harvick (4) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kyle Larson during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

NASCAR fans watch action from outside the track on a nearby mountain during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Ty Dillion during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Cars run in front of the grandstands during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Noah Gragson (front) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Alex Bowman (48) and Chris Buescher (17) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Ryan Preece (41), left and Martin Truex Jr. (19) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Corey LaJoie during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kyle Larson's pit crew work on changing tires during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Harrison Burton during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Kevin Harvick during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

Erik Jones (43) during the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)

William Byron shows off his trophy after winning the NASCAR Cup Series auto race at Phoenix Raceway, Sunday, March 12, 2023, in Avondale, Ariz. (AP Photo/Darryl Webb)