'Growing up fast': How Kyle Busch's first Cup Series win helped launch a legend

The win that helped launch Kyle Busch’s next step to stardom was the coming-out party that most expected, a welcome into the realm of NASCAR Cup Series winners and a grand-stage moment under the bright lights in Southern California. His older brother, Kurt, had already gone through all those experiences by the time Kyle reached his rookie season in 2005, but the stock-car world was still getting to know the 20-year-old prodigy as a driver and a person.Labor Day weekend that season made qui