In all of the tributes and reactions pouring in from across the motorsports world and beyond, this one stands out. On Friday, Austin Dillon, the driver of the No. 3 Richard Childress Racing Chevrolet and grandson of the team's namesake, posted the following letter to his social media.<br>RCR runs two full-time Cup cars, and for the past four seasons, those cars were driven by Dillon and his ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/austin-dillons-heartfelt-letter-remembering-kyle-busch-/10823226/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>