By ASSOCIATED PRESS - Associated Press - Wednesday, July 10, 2013 CHARLOTTE, N.C. (AP) - Richard Petty Motorsports will run Marcos Ambrose in the Nationwide Series race at Mid-Ohio next month.Ambrose will drive the No. 9 Stanley Ford in a two-car effort for RPM. Michael Annett will drive the No. 43 Ford.Ambrose will also be competing in the Sprint Cup race at Michigan that same weekend.Mid-Ohio will be Ambrose’s 76th career Nationwide Series start. He is a four-time winner in the series, all on road course circuits.