A unique and unparalleled look into the nature and relationship of two of the pillars in the NFL's greatest dynasty. The greatest dynasty in NFL history stood on two pillars - Tom Brady and Bill Belichick. Together they forged a working relationship that provided thrilling results that would change the NFL forever. But what was the nature of that relationship? How did it function? How and when did it falter? How did these two figures come together on a national - and global - stage and create the most dominant team in NFL history? Was it driver and passenger? Mentor and mentee? Superstar and mad scientist? Phenom and tactician? Or were they equals? The Yin and Yang that made the New England Patriots championships possible? It is the greatest unanswered question in NFL history that sparks animated debate across the league, and the answer is more complex and more fraught than anyone really understands. Brady vs. Belichick: Who deserves the credit for nine Super Bowl appearances and six Super Bowl championships? Veteran NFL insider and New York Times bestselling author Gary Myers draws on his unique and unparalleled access to Belichick and Brady over the course of the two decades, but also to the myriad players, coaches, personnel and family, to get to the bottom of this argument and resolve it once and for all. He drills into the numbers, analyzes the psychology and sociology of this partnership, and use the powerful wand of perspective and context to illuminate the greatest duo that has ever graced the game.