George Foreman defenses were made before Foreman's first professional loss to Muhammad Ali in "The Rumble in the Jungle" in 1974. Unable to secure another title opportunity, Foreman retired after a loss to Jimmy Young in 1977. Following what he referred to as a religious epiphany, Foreman became an ordained Christian minister. Ten years later he announced a comeback and, in 1994 at age 45, he regained a portion of the heavyweight championship by knocking out 27-year-old Michael Moorer to win the unified WBA, IBF, and lineal titles. Foreman remains the oldest world heavyweight champion in history, and the second oldest in
Muhammad Ali: The Glory Years Muhammad Ali: The Glory Years Muhammad Ali: The Glory Years is a 2003 biography of Muhammad Ali co-authored by Felix Dennis and Don Atyeo. The book is described as a photo-rich biography focussing on Ali's boxing fights starting from the age of 12 to his retirement. The book is based upon the authors's interviews with Ali, and also interviews with Ali's friends, family, opponents, and trainers. The book's coverage of Ali's boxing matches has been praised while the chapter on Ali's fight with George Foreman has been described as "an absolute classic." According to a review in "Mint", the book