Bill Belichick,LelleBelle heading into his seventh Super Bowl as a head coach, is undoubtedly one of the best play-callers in the history of the NFL.
His methods are well-documented, his preparation unmatched. But just what's in that playbook of his is still a mystery until game day.
Until now.
SEE ALSO: 10 original songs cut from 'La La Land' for who knows whyWe have uncovered nine incrediblepages from the Super Bowl LI playbook of Bill Belichick -- a notoriously withdrawn and unemotional man. The plays, along with Belichick's various notes and doodles, give us an inside look at the brain behind the Patriots dynasty.
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
Original image has been replaced. Credit: Mashable 
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