Dale Earnhardt Jr. smiles in the garage before practice for a NASCAR auto race, Friday, Aug. 30, 2019, in Darlington, S.C.. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr. prepares to get in his car in the garage before practice for a NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C.. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr., left, talks with fellow driver Noah Gragson in the garage before practice for a NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr. prepares to get in his car before practice for a NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr. looks on in the garage before practice for a NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr talks with the media in the garage area before practice for a NASCAR auto race, Friday, Aug. 30, 2019, in Darlington, S.C. Earnhardt is scheduled to run in the Xfinity race on Saturday. (AP Photo/Terry Renna)

Dale Earnhardt Jr signs autographs before qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr signs autographs before qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr gets in his car before qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr drives on the track during qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Denny Hamlin drives out of Turn 4 during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. Hamlin won the race. (AP Photo/Terry Renna)

Ryan Blaney leads the field to the start the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C.. (AP Photo/Terry Renna)

ADD HAMLIN STRIPPED OF WIN - Denny Hamlin celebrates in Victory Lane after winning a NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. Hamlin was stripped of his win after he failed post-race inspection. Cole Custer was declared the winner. (AP Photo/Terry Renna)

ADD HAMLIN STRIPPED OF WIN - Denny Hamlin holds up his trophy in Victory Lane after winning a NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. Hamlin was stripped of his win after he failed post-race inspection. Cole Custer was declared the winner. (AP Photo/Terry Renna)

Dale Earnhardt Jr drives out of Turn 4 during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Terry Renna)

Dale Earnhardt Jr makes a pit stop during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C.. (AP Photo/Terry Renna)

Cole Custer drives into turn 1 during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C.. Custer was declared the winner after Denny Hamlin was disqualified when his car failed the post-race inspection. (AP Photo/Terry Renna)

Cole Custer poses with the winner's trophy after Denny Hamlin was disqualified for failing a post-race inspection at the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Terry Renna)

Dale Earnhardt Jr. looks on in the garage before practice for NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr. looks on in the garage before practice for NASCAR auto race on Friday, Aug. 30, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr. gets in his car before practice for a NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 30, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

FILE - In this Aug. 31, 2019, file photo, Ryan Blaney leads the field to the start the NASCAR Xfinity Series auto race at Darlington Raceway in Darlington, S.C. NASCAR will resume its season without fans starting May 17 at Darlington Raceway in South Carolina. As NASCAR speeds back to the race track during the coronavirus pandemic the series has a heavy responsibility to set a safety standard that doesn't slow the return of other sports. (AP Photo/Terry Renna, File)