Related StoriesRichard Westbrook led a Daytona Prototype-dominated first practice for the TUDOR Championship's penultimate round at Circuit of The Americas, when he lapped the 3.427-mile road course in 2min00.306secThe Briton's Spirit of Daytona Corvette DP was less than one-tenth of a second ahead of Michael Shank Racing's Riley Ford Ecoboost,...