Byron becomes youngest ever to capture Coca-Cola 600 pole
William Byron poses with the trophy in Victory Lane after winning the pole position during qualifying for Sunday's NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

William Byron poses with the trophy in Victory Lane after winning the pole position during qualifying for Sunday's NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

May. 23, 2019 08:08 PM EDT
Kyle Busch covers his ears as he looks out of the garage before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

Kyle Busch covers his ears as he looks out of the garage before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

May. 23, 2019 03:04 PM EDT
Clint Bowyer waits in his car before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

Clint Bowyer waits in his car before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

May. 23, 2019 03:05 PM EDT
Martin Truex Jr. climbs into his car before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

Martin Truex Jr. climbs into his car before practice for Sunday's NASCAR Coca-Cola 600 Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

May. 23, 2019 03:04 PM EDT
William Byron, left, is congratulated by team owner Rick Hendrick after winning the pole position during qualifying for Sunday's NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

William Byron, left, is congratulated by team owner Rick Hendrick after winning the pole position during qualifying for Sunday's NASCAR Cup Series auto race at Charlotte Motor Speedway in Concord, N.C., Thursday, May 23, 2019. (AP Photo/Chuck Burton)

May. 23, 2019 08:08 PM EDT