NASCAR Cup Series Playoffs Begin This Sunday From Darlington Raceway On NBCSN

STAMFORD, Conn. – Sept. 2, 2021 – NBC Sports presents the first race of the 2021 NASCAR Cup Series Playoffs from Darlington Raceway this Sunday, Sept. 5, with Countdown to Green pre-race coverage beginning at 5 p.m. ET on NBCSN, leading into the start of the Cook Out Southern 500 at 6 p.m. ET on NBCSN.

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