A recently leaked email between Bill Belichick and his girlfriend, Jordon Hudson, reveals Belichick’s reflections on his time with the Patriots and gives insight into Tom Brady’s storied departure from New England.

"[Tom] Brady and Patrick Mahomes are both really good," the head coach writes in his new book. "Controversial, I know."

Your book is out today. Of course, the man who doesn't smile much might not be inclined to smile about anything at all, when it comes to The Art of Winning: Lessons From My Life in Football. He wouldn't even smile about the title.