NASCAR Southern 500 at Darlington: How to watch, stream, preview, picks for the Cup Series playoff opener | CBS Sports Headlines NASCAR Southern 500 at Darlington: How to watch, stream, preview, picks for the Cup Series playoff opener The NASCAR playoffs begin with a 500-mile Darlington tradition as old as … Continue reading NASCAR Southern 500 at Darlington: How to watch, stream, preview, picks for the Cup Series playoff opener