The main reason for the New York Giants' stunning Super Bowl XLII upset over the previously undefeated New England Patriots isn't in the Pro Football Hall of Fame yet. Neither is Eli Manning. No defensive coordinator is more decorated than Steve Spagnuolo.

If there is one thing that Kansas City Chiefs defensive coordinator Steve Spagnuolo is known for more than anything else, it's his ability to design creative blitz packages that confuse and overwhelm opposing offensive lines and the quarterback behind them.

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