Jersey numbers are oftentimes an afterthought, arbitrarily handed out to a player with little rhyme or reason. For the greats of the game, though, those numbers become part of their identity—a characteristic every bit as recognizable as a running style or throwing motion. So which names do SI's Chris Burke and Doug Farrar think of when it comes to each individual number? Here are the best NFL players of the Super Bowl era who wore jersey numbers 00–99.