NASCAR has countless famous commentary moments and Diffey’s line at the chequered flag – “Jeff, your little boy has done it!” – looks to be the latest.
Even Denny Hamlin, a veteran of nearly two decades in the Cup Series, said the spine-tingling call had him up and about.
“I mean, it had me standing up in my chair the last lap and I didn’t have a dog in the Harrison Burton/Kyle Busch fight,” Hamlin said on his podcast Actions Detrimental.
Although it wasn’t Diffey’s first Cup Series call, this year represents the first for him full-time with NBC Sports.
The former Supercars commentator has spent more than a decade commentating IndyCar.
With Fox Sports taking the IndyCar broadcast rights in 2025, it was decided NBC Sports would move Diffey to the Cup Series midway through this year.
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Picture: SpeedCafe

