Float like a butterfly, sting like a bee. His hands can't hit what his eyes can't see. Now you see me, now you don't. George thinks he will, but I know he won't.

Timeline of boxing legend Mohammad Ali who passed away at the age of 74 fighting a respiratory illness.

The following is a quick look at five fights that defined the career of boxing legend Muhammad Ali.

Mohammad Giasuddin, the 12-year-old boy who had 'knocked out' Muhammad Ali during the boxer's maiden Bangladesh visit in 1978, says he is shocked and extremely saddened to hear the news of the legend's death.

Muhammad Ali entertained the world for more than half a century with his legendary one-liners, witticisms and diatribes. BBC Sport rounds up some of the greatest utterings of 'The Greatest', ranging from boxing to politics to religion.

Muhammad Ali is remembered in tributes worldwide for his iconic fight for social justice as well as his legendary boxing battles following his death Friday at age 74.

Former world heavyweight boxing champion Muhammad Ali has been hospitalized for a respiratory issue, family spokesman Bob Gunnell said on Thursday.

Professional boxers can compete at the upcoming Olympic Games in Rio de Janeiro, the sport's governing body ruled in a landmark decision on Wednesday.

Manny Pacquiao knocked rival Timothy Bradley Jr down twice, in the seventh and ninth rounds, and cruised to a unanimous decision in their welterweight fight Saturday night before 14,665 at the MGM Grand Garden Arena.

A national-level Gold medal winning boxer in India, Kamal Kumar now collects garbage from door to door for a living in Kangpur.

Floyd Mayweather Jr. has been stripped of the welterweight world title for failing to comply with rules, the World Boxing Organization said.

The boxing legend has joined the cast of the newly announced “Ip Man 3”, which tells the story of martial arts pro and one-time mentor of Bruce Lee, Ip Man.

Floyd Mayweather claimes a unanimous points verdict over Manny Pacquiao to win the richest fight in boxing history and maintain his perfect record.