The mad scientist pulling all those strings is Steve Spagnuolo, the Chiefs defensive coordinator, whose job in helping Kansas City get back to the Super Bowl had him interviewing with several clubs last week for another shot at being a head coach.

Defensive coordinator Steve Spagnuolo's use of the blitz could be Chiefs' key to beating the Bills in the AFC Championship Game on Sunday.

The man affectionately known as “Spags” has a deep, complicated playbook that can leave heads spinning, but what really makes him stand out are the exotic blitzes that can come from any