Indy 500
Calling his first Indy 500 will be Leigh Diffey, the affable Australian native who has been the voice of NBC’s IndyCar coverage since 2013. During his 23-year broadcasting career, Diffey has called everything from the Olympics to professional rugby, and his first assignment after joining NBC Sports was calling the Penn Relays on NBCSN. Diffey will enter an exclusive club Sunday. Since the Indy 500 went live in 1986 (from 1971 to 1985 it was shown on a same-day tape delay), just six people have done play-by-play during the race. Diffey will become the seventh. Showers and thunderstorms moving through Indianapolis may interfere with Sunday’s race, according to Accu Weather. A frontal boundary will extend from the central Plains through the mid-Atlantic on Sunday, when several rounds of showers and thunderstorms are expected to develop. “Though there will be some breaks in any thunderstorms that are around the Indy 500 on Sunday, it may be hard to find any gap large enough to dry