Leigh Diffey’s journey began not in a broadcast booth, but as a physical education teacher in Queensland, Australia. When a local motorcycle club asked a 19-year-old Diffey to call flat-track races, he accepted, earning about $60 and calling just under 100 flat-track races in his first season.

By the time NBC handed him the reins as its lead NASCAR announcer in 2024, Diffey had already logged calls across the Olympics, Formula 1, IndyCar, and AMA Supercross, and sometimes more in a single day than most broadcasters do in a career. With such a diverse resume, Diffey witnessed mind-blowing action everywhere he went, but one such instance lingered in his mind until last year, which caused him to slip up on air.

How one NASCAR finish reminded Leigh Diffey why he loves the sport

In a candid

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