STURGIS, Mich. (December 7, 2015) – RJB Motorsports today confirmed it will field a two-car team in the 2016 Cooper Tires USF2000 Championship Powered by Mazda. The long-term commitment follows an exploratory USF2000 outing at the Mid-Ohio Sports Car Course in August and participation in the recent Chris Griffis Memorial Mazda Road to Indy Test…