The NASCAR Cup Series races the Cook Out Southern 500 on Sunday at 6 p.m. ET.

The Formula 1 Dutch Grand Prix is at 9 a.m. ET.

Both events air live on Sling. Learn how to watch both of Sunday's races.

It's playoff time in the NASCAR Cup Series as the first race of the Round of 16 will commence today at the famed Darlington (S.C.) Raceway for the annual Cook Out Southern 500.

With the playoff grid set following a chaotic race at Daytona (Fla.) Int'l Speedway, teammates Kyle Larson and regular season champion William Byron enter the postseason tied for the top spot, only 26 points above the cutoff.

While a bad night from either driver would drastically change their playoff hopes entering the next two Round of 16 races, drivers like defending champion Joey Logano (+1 above cutline), Jo

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