Global Mazda MX-5 Cup presented by BFGoodrich® Tires championship leader Michael Carter (No. 08 Carter Racing Enterprises) grew his advantage with a dominant run to victory in the opening race of a championship double-header at the Grand Prix of St. Petersburg on Saturday. The final race of the 2020 Global Mazda MX-5 Cup season will be staged on Saturday afternoon, with a $200,000 support package from Mazda on the line.