Why Are the Great Teams So Successful?
Because of Coach/Teachers Such as This

His charisma is a kind of anti-charisma, and his favorite movie is The Wizard of Oz. His love and respect for his players is returned many times over. "LeBeau said that as a player, he wanted to be instructed. 'And so I’ve coached the way I wanted to be coached,' he said. 'Players just want to get better, and they will respond to the instructor who is making them better.' Naturally, the Pittsburgh Steelers again seem headed to the Super Bowl, in large part because of people like their defensive coordinator, Dick LaBeau, who commands an extra dose of respect from his players for having been a great player himself. Anyway, do yourself a favor and read this entire piece about what makes a great coach.