Sprint is in the business of wireless telecommunications, but it uses race cars, basketballs, ski slopes and footballs to help its messages reach consumers. This week, Sprint unveiled a four-year deal making it the official wireless service provider for the NBA. Earlier this month, the company extended its partnership with NASCAR through the 2016. Steve Gaffney, vice-president of corporate marketing for Sprint, discusses the company’s 24/7 strategy to embrace sports marketing.