Erik Jones holds off Busch to win rain-delayed Southern 500

Erik Jones poses for a photo with his trophy after winning a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning. (AP Photo/Richard Shiro)

Erik Jones drives into Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning.(AP Photo/Richard Shiro)

Erik Jones celebrates his victory after a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning. (AP Photo/Richard Shiro)

Clouds begin to gather over the grandstand at Turn 1 before a NASCAR Cup Series auto race Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Crews try to dry the track after a rain shower before a NASCAR Cup Series auto race Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

NASCAR fans wait out a rain delay before the start of a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Kurt Busch drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Erik Jones celebrates his victory after a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning. (AP Photo/Richard Shiro)

Erik Jones celebrates his victory after a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning. (AP Photo/Richard Shiro)

Kyle Larson drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Denny Hamlin (11) races ahead of Daniel Suarez (41) during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Jimmie Johnson (48) drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Chase Elliott (9) drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

Erik Jones drives into Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. Jones held off Joe Gibbs Racing teammate Kyle Busch to win the rain-delayed Southern 500 that ended early Monday morning.(AP Photo/Richard Shiro)

Brad Keselowski drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)

William Byron drives out of Turn 1 during a NASCAR Cup Series auto race on Sunday, Sept. 1, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Richard Shiro)