A flag flies at half staff to honor Supreme Court Justice Ruth Bader Ginsburg before the start of a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. The race was run without fans due to COVID-19. (AP Photo/Isaac Brekken)

Kyle Busch drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Chase Elliott drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Chase Elliott exits the pits during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Denny Hamlin pits during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Chase Elliott pits during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Alex Bowman drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch (1) takes the checkered flag to win a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch performs a burnout after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch performs a burnout after winning a NASCAR Cup Series auto race, Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Drivers compete in a NASCAR Cup Series auto race without fans, Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch arrives at the track before a NASCAR Cup Series auto race, Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race, Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch (1) leads during a restart during a NASCAR Cup Series auto race, Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Drivers pass the start finish line during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. The race was run without fans due to COVID-19. (AP Photo/Isaac Brekken)

Brennan Poole walks to his race car before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Martin Truex Jr. walks to his race car before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Ryan Blaney drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Joey Logano walks to his race car before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

An official waves the green flag to begin a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. The race was run without fans due to COVID-19. (AP Photo/Isaac Brekken)

Joey Logano drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kyle Busch exits the pits during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Alex Bowman drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Chase Elliott drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Denny Hamlin drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kevin Harvick drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

William Byron slides onto the infield grass during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Bubby Wallace drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Matt DiBenedetto drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

William Byron drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Drivers pass the start finish line during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Austin Dillon drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch walks to his race car before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Clint Bowyer walks to his race car before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Bubby Wallace drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Jimmie Johnson drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Jimmie Johnson drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Denny Hamlin drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Corey Lajoie uses a phone before a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Jimmie Johnson drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Alex Bowman drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kyle Busch drives during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch (1) leads Matt DiBenedetto during a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. (AP Photo/Isaac Brekken)

FILE - In this Sunday, Sept. 27, 2020, file photo, Kurt Busch celebrates after winning a NASCAR Cup Series auto race in Las Vegas.Busch has welcomed the uncertainty of this season as he chases a playoff berth while pondering his future in NASCAR. Busch posted the fastest practice time Saturday, July 3, 2021, as NASCAR’s Cup Series returned to Road America for the first time since 1956. (AP Photo/Isaac Brekken, File)

FILE - Kurt Busch celebrates after winning a NASCAR Cup Series auto race Sunday, Sept. 27, 2020, in Las Vegas. Busch's career was prematurely curtailed from the lingering effects of a concussion suffered in a wreck during qualifying last summer at Pocono Raceway. (AP Photo/Isaac Brekken, File)