Ep. 48 - Leigh Diffey talking F1

From Nico Rosberg walking away with the title to new rules and regulations in F1, this has been one of the most interesting off seasons ever for the sport. New owners, big tires, new speed for Ferrari. What will it mean on the track? Leigh Diffey from NBC Sports F1 coverage checks in to preview the race in Australia.

(Photo by Charles Coates/Getty Images)