While Saban, at the time, tamped down speculation that their contrasting styles were creating friction, the book offers insight into what could be a caustic relationship.
One such moment came when Kiffin called Sexton warning him that an angry Saban was about to call. Why? The offensive coordinator told the head coach "he didn't know what he was talking about" in a meeting.
True to form, Saban's less-than-cheerful call came within minutes.
"That son of a bench," Saban said to his agent, according to the book. "I'm going to fire you, Jimmy, for ever talking me into hiring that narcissistic brick."