I just always dreamed of racing cars, but I didn't think I could do it as a living.

Because of Brad Keselowski's injury during a practice crash at Road Atlanta Busch filled in for Keselowski in his NASCAR Nationwide Series car for the Zippo 200 at Watkins Glen International and Busch managed to get the pole and the win. This public display and follow-up announcement shocked the NASCAR community. Busch responded "Why the f*** do you think I would be okay I gotta go get in my car.

He is a second-generation racing driver; his father Tom won several NASCAR sanctioned events. Busch winner of 24 Cup races and the 2004 championship also races on an "opportunity permitting" basis in the Pro Stock division of NHRA.