Exclusive Autosport’s Jack Jeffers took a commanding lead in the USF2000 Presented by Continental Tire championship following a spectacular victory in this afternoon’s first of two races that will comprise the Continental Tire Grand Prix of Toronto.Jeffers, from San Antonio, Texas, qualified only fifth on the tight and challenging 1.786-mile,...

Jack Jeffers, from San Antonio, Texas, drove a textbook race Saturday at the Mid-Ohio Sports Car Course for Exclusive Autosport. Jeffers’ second win of the USF2000 Presented by Continental Tire season moved him to within five points of Ohioan Thomas Schrage, who suffered a disappointing day after starting on pole...