Tim Duncan Revs Up Style in His Car Shop, Revealing a Rare Portrait of a Legend

It takes less than a minute after Tim Duncan pulls up to the entrance of his car customization business in San Antonio, BlackJack Speed Shop, to realize that this isn't the same mild-mannered Tim Duncan in a Spurs uniform. Stepping out of his blue Porsche 911 Turbo with gold-finished Pur Wheels—one of his nine customized cars—Duncan opens the front door wearing sunglasses, army cargo shorts and a T-shirt with the ThunderCats logo of the animated TV series. He greets his BlackJack busin...