Go inside the mind of the GOAT, Tom Brady, as he answers fan questions in his latest "Mailbag with Tom" presented by Verizon. Brady reveals his most challenging moments in the NFL, sharing the one throw from a Super Bowl loss that he wishes he could have back and detailing what he considers the darkest period of his career, which involved a series of tough playoff losses and a difficult injury rehab. He also talks about the electric start of his dynamic partnership with Rob Gronkowski and even offers advice on how football fans can better understand the game's strategy and complexity by watching All-22 film.