"Tom Thibodeau has been an NBA head coach for 62 games. When you consider guys like Lenny Wilkens and Don Nelson stalked the sidelines for more than 2,000 games each, 62 seems like a very small number. But it's a number. And right now? Of 294 men to have ever been NBA head coaches, Tom Thibodeau of the Chicago Bulls has the highest winning percentage."