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Best of RadioactiveGo inside the helmet of drivers, crew chiefs and spotters for Cup Series races at the Southern 500

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Now PlayingBest of RadioactiveGo inside the helmet of drivers, crew chiefs and spotters for Cup Series races at the Southern 50002020 Cook Out Southern 500 at Darlington RacewayRelive the 2020 Cook Out Southern 500 at Darlington Raceway in this NASCAR Cup Series race replay.