United Kingdom, July 18 -- Kyle Busch's wife Samantha Busch is "beyond shattered" that the NASCAR legend is not alive to see their son's race win at Oklahoma's Port City Raceway dirt track.

Brexton, 11, competed in multiple divisions during an event, but claimed victory in the restricted micro sprint class event, using a car owned by his late dad, who died from "severe pneumonia", which "progressed into sepsis", on May 21 at the age of 41.

But the joy of winning was tinged with sadness as Samantha - who also has daughter Lennix, four, with her late husband - said it was the youngster's "first win since Kyle's passing".

On Friday (17.07.26), she took to her Instagram Stories and posted a shot of Brexton standing on top of the green numb...