Although he's highly regarded as one of the greatest athletes of all time (and if he were still alive, he'd probably correct that to the greatest of all time), heavyweight boxing champion Muhammad Ali ...

Muhammad Ali redefined heavyweight boxing—he broke every rule about how big men should fight. Across 21 years as a professional, Ali won 56 fights (37 by knockout) and lost only 5. Ali turned fights ...

Earlier this year Hall of Fame promoter Bob Arum celebrated the 50th anniversary of his first boxing promotion -- Muhammad Ali vs. George Chuvalo. That fight in Toronto, won by Ali by unanimous ...

Ali and Frost's decades-long association is examined in episode 2 of the new six-part MSNBC documentary series David Frost Vs.. Although he's highly regarded as one of the greatest athletes of all ...