This incredible video collection from ESPN profiles the ten greatest heavyweights ever to have graced a boxing ring. It is not merely a countdown of the most talented fighters but also a stunning tribute to historical icons, people who have far transcended their sport. Host Brian Kenny and a distinguished panel of experts, including Larry Holmes and George Chuvalo, take us through highlights of some of the sport s greatest fights. Boxing historian Bert Randolph Sugar analyses each boxer s strengths and weaknesses and has final say on the ten undisputed kings of the ring. Features classic action from legendary and famous fights including Muhammad Ali s Rumble In The Jungle and Thrilla In Manila . Includes rare archive footage of the likes of Jack Dempsey and Gene Tunney, fighting as far back as 1919. Former heavyweight boxers, trainers and writers give their own opinions, providing an authoritative take on the greatest of all time. Hard-hitting action from the best, most powerful and most exciting boxers gathered together on one knockout collection.