NBC Sports Sees A Unique Challenge With Nascar, IndyCar Double-Header Amid Year Of Strong Ratings

… third consecutive year, both Nascar and the NTT IndyCar Series … over the decades,” Earnhardt, a Nascar Hall of Famer, said. “ … to continue its momentum.
Nascar Cup Series viewership for the … audiences back and forth between Nascar, IndyCar and WWE. Superstars …