How option tires could change Sunday’s Richmond NASCAR Cup race 

Tire wear has always played a role in NASCAR racing, but it could take on more significance in Sunday night’s 400-mile event.Teams will be faced with some potentially challenging tire strategy decisions. NASCAR and Goodyear have made two different tires available for the event – a “prime tire” (the baseline tire, harder and longer viability) and an “option tire” (a softer tire than …Keep reading