FILE - In this Sept. 2, 2018, file photo, Brad Keselowski celebrates in Victory Lane after winning the NASCAR Cup Series auto race at Darlington Raceway, in Darlington, S.C. Keselowski can't wait to get to Darlington Raceway _ and it's not just because he swept race weekend the last time NASCAR's best showed up. This the fifth year the Southern 500 is NASCAR's throwback weekend, kind of an Old Timer's Day for fans and competitors to honor and mimic the greats of the past.(AP Photo/Terry Renna, File)