38 NASCAR Cup cars on entry list for Southern 500 playoff opener at Darlington

This weekend, the NASCAR Cup and Truck Series will both be competing at the historic Darlington Raceway, which plays host to the playoff opener for both divisions.
Darlington also hosts the fourth and final crown jewel event of the season with the 76th running of the Southern 500. The event has been part of the NASCAR Cup calendar since 1950, which was won by Johnny Mantz.
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