UPDATE: The NASCAR Cup Series playoffs from Martinsville (Va.) earned a 1.3 rating and 2.15 million viewers on NBCSN, down 24% in ratings and 22% in viewership from last year (1.7, 2.78M) and down 19% in both measures from 2016 (1.6, 2.67M).

Excluding rainouts, Joey Logano's win was the lowest rated at Martinsville since at least 1999 and the least-watched since at least 2001.

In addition, it was the eighth race this season with less than a 1.5 rating, doubling the previous 17 seasons combined (four).

Five years ago, no Cup Series race all season had less than a 2.4 rating or 3.97 million viewers. Ten years ago, no race fell below a 3.0 or 4.83 million.

--- Sports Media Watch ---