Mandatory Credit: Jasen Vinlove-USA TODAY Sports

Older brother Kurt is retired now and Kyle Busch took the time to tell his big bro that he’s proud of him and all he has accomplished. It has truly been a hall-of-fame NASCAR career for Kurt and Rowdy isn’t too far behind him. We’ll never get confused about which Busch is which on the track.

Kurt Busch had been working for more than a year to return to racing and NASCAR’s top series. However, it has become apparent that he cannot continue and even if he can return to racing, he’ll never be able to go Cup Series racing again.

Kyle Busch wrote a heartfelt tweet for Kurt. The winningest brothers in NASCAR history.

This is a developing story…

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