HBO World Championship Boxing influx of streaming options and issues with promoters, along with declining ratings and loss of interest in the sport among HBO's subscribers, made continued carriage of the sport untenable. HBO's long-term move to upscale dramatic programming and an ownership transfer to AT&T's WarnerMedia also played a role in the decision, with an HBO executive commenting that "HBO is not a sports network." Famous matches broadcast on "World Championship Boxing" include: The Rumble in the Jungle, in which Muhammad Ali regained the world heavyweight title from George Foreman in Kinshasa, Zaire in 1974; Thrilla in Manila, the final encounter between Muhammad
Muhammad Ali: The Glory Years features "[s]ports writing at its best." 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