Formed in 1967, the NFL's Central Division -- the Chicago Bears, Green Bay Packers, Detroit Lions, and Minnesota Vikings -- quickly earned the nickname "Black and Blue Division" due to the teams' fierce, physical play. This behind-the-scenes history recalls 40 years of great plays, gritty players, memorable seasons, and crucial games through first-rate photographs and first-hand interviews with players, coaches, and officials. Berghaus's All-Time Black and Blue team, where nastiness is just as important as greatness, provides plenty of fodder for discussion.