TALLADEGA, Ala. — The No. 1 JR Motorsports Chevrolet driven by Sam Mayer was disqualified Saturday evening in post-race inspection after the NASCAR Xfinity Series event at Talladega Superspeedway. Mayer’s No. 1 Chevy failed the post-race height requirement, measuring too low in the rear following the conclusion of the United Rentals 250. Mayer, who started […]