Busch and Elliott incident could spark new NASCAR rivalry

Kyle Busch stands for the playing of the national anthem before the start of the NASCAR Cup Series auto race Sunday, May 17, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)

Driver Chase Elliott walks to his car for the start of the NASCAR Cup Series auto race Sunday, May 17, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)

Kyle Busch (18) drives during the NASCAR Cup Series auto race Wednesday, May 20, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)

Brad Keselowski (2) and Kyle Busch (18) battle during the NASCAR Cup Series auto race Wednesday, May 20, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)

Chase Elliott makes a pit stop during the NASCAR Cup Series auto race Wednesday, May 20, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)

Chase Elliott (9) drives during the NASCAR Cup Series auto race Wednesday, May 20, 2020, in Darlington, S.C. (AP Photo/Brynn Anderson)