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.