This work investigates the internal experience of a professional athlete navigating the physical toll and psychological transition of retiring from the National Football League. Through the collaboration of Jerry Kramer and editor Dick Schaap, the book utilizes a diary-style format to document the final season of a legendary Green Bay Packers guard, offering a candid look at the pressures of professional sports during the Vince Lombardi era.

The text is widely regarded as a seminal piece of sports literature for its raw, unvarnished look at the life of a professional athlete. Its historical value lies in the intimate, day-to-day documentation of a legendary era in American football.