NASCAR Martinsville TV rating down (Update)

UPDATE The final rating for the NASCAR Sprint Cup Series STP 500 from Martinsville Speedway Sunday was a 4.2 with 6.7M viewers, down from a 4.4 with 6.9M viewers.

04/01/14 Fox drew a 3.8 overnight rating for the NASCAR Sprint Cup Series STP 500 from Martinsville Speedway Sunday. Fox last year earned a 4.0 overnight, while the race in ’12 earned a 3.9 overnight.