NASCAR X-Finity Series will run its second “stand-alone” race of the season, Saturday night’s U.S. Cellular 250 at Iowa Speedway. Sam Hornish Junior won the first one on June 19th – also at Iowa, driving a Joe Gibbs Racing Toyota. This weekend, he’s entered in a Richard Childress Racing Chevrolet … Ryan Blaney won last year’s race but is not entered this weekend. Brad Keselowski will drive the Number-22 Team Penske Ford.