... alt="">Canton, Ohio—When the question of who were the greatest defensive players to have ever played in the NFL, the names of Dick Butkus, Deacon Jones, Mike Singletary, the Oakland Raiders and the Pittsburgh Steelers comes to mind. 

Their presence on the field was nothing short of remarkable for the passion and fearlessness.  Before the play-calling was stripped from quarterbacks, a legend like John Unitas made signal calling look so easy.

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