Driver Kyle Busch talks about defending his title in the Coca-Cola 600 NASCAR Cup series auto race during a news conference in Charlotte, N.C., Wednesday, May 8, 2019. (AP Photo/Chuck Burton)

Kyle Busch waves during driver introductions at a NASCAR Cup Series auto race Sunday, May 5, 2019, at Dover International Speedway in Dover, Del. (AP Photo/Jason Minto)

Driver Kyle Busch poses with his car for the Coca-Cola 600 NASCAR Cup series auto race during a news conference in Charlotte, N.C., Wednesday, May 8, 2019. The car will carry the name of fallen Army Sgt. Dale Griffin during the race on May 26, 2019. (AP Photo/Chuck Burton)

Dona Griffin, left, and Gene Griffin, second from left, stand with driver Kyle Busch, far right, after unveiling Busch's race car for the Coca-Cola 600 NASCAR Cup series auto race during a news conference in Charlotte, N.C., Wednesday, May 8, 2019. The car will carry the name of their son, fallen Army Sgt. Dale Griffin during the race on May 26, 2019. (AP Photo/Chuck Burton)

Kyle Busch heads out to the track during practice for the NASCAR Cup Series auto race, Saturday, May 4, 2019, at Dover International Speedway in Dover, Del. (AP Photo/Jason Minto)