Coverage of the NASCAR Nationwide Series has averaged a 1.7 U.S. rating and 2.641 million viewers on the ESPN family of networks, up a tick in ratings and 5% in viewership from last year (1.6, 2.499M). Viewership has increased for four of six races this year, including Friday’s O’Reilly Auto Parts 300 from Texas (1.656M, up 13%), reports Sports Media Watch.