PARIS - JANUARY 1: A portrait of then World boxing heavyweight champion Muhammad Ali in 1960 in Paris, France. (Photo by AFP/Getty Images)
Muhammad Ali
27th May 1963: American Heavyweight boxer Cassius Clay (later Muhammad Ali) lying on his hotel bed in London. He holds up five fingers in a prediction of how many rounds it will take him to knock out British boxer Henry Cooper. (Photo by Len Trievnor/Express/Getty Images)
Muhammad Ali
circa 1963: Headshot of American boxer Muhammad Ali, former World Heavyweight Champion, shouting while wearing boxing gloves. (Photo by Hulton Archive/Getty Images)
Muhammad Ali
26th May 1963: American Heavyweight boxer, Cassius Clay (later Muhammad Ali), in New York, dressed like a city gent in a suit and a bowler hat and carrying an umbrella. (Photo by Express/Express/Getty Images)
Muhammad Ali
1963: American boxer Cassius Clay weighs in before his world heavyweight title fight against British boxer Henry Cooper. (Photo by S. Higgins/Express/Getty Images)
Muhammad Ali
American Heavyweight boxer Cassius Clay (later Muhammad Ali), February 1964. (Photo by Harry Benson/Express/Hulton Archive/Getty Images)
Muhammad Ali With The Beatles
22nd February 1964: British pop group The Beatles, from left to right; Ringo Starr, John Lennon (1940 - 1980), George Harrison (1943 - 2001) and Paul McCartney; in the ring with champion American boxer Cassius Clay, whilst in Miami. (Photo by Keystone/Getty Images)
Muhammad Ali
Heavyweight boxer Muhammad Ali (left) shakes hands with Egyptian President Gamal Abdel Nasser (1918 - 1970, right), watched by Ali's manager Jabir Herbert Muhammad (1929 - 2008, centre), circa 1964. Jabir Herbert Muhammad is the son of Elijah Muhammad, leader of the Nation of Islam. (Photo by Keystone/Hulton Archive/Getty Images)
Ali Vs Patterson
Cassius Clay (Muhammad Ali) spars with challenger Floyd Patterson during the World Heavyweight Championship fight. Clay won the fight with a technical knockout in the 12th round. 25th November 1965. (Photo by Central Press/Hulton Archive/Getty Images)
Muhammad Ali
World heavyweight boxing champion Muhammad Ali, has his hands bandaged by his manager Angelo Dundee (1921 - 2012, right) before the day's training session at the Territorial Army Gymnasium at White City, London, 16th May 1966. On the left is Jack 'George' Achilles, head chef of Isow’s, a restaurant in Brewer Street, Soho, favoured by celebrities including Ali, and his entourage. Ali is in training for his fight against the British champion Henry Cooper at Arsenal's Highbury Stadium, London on May 21st. (Photo by R. McPhedran/Daily Express/Hulton Archive/Getty Images)
Muhammad Ali
17th May 1966: US boxer Muhammad Ali, born Cassius Marcellus Clay, in London for his fight with Henry Cooper. (Photo by R. McPhedran/Express/Getty Images)
Muhammad Ali In Hyde Park
American heavyweight boxer Muhammad Ali is greeted by two police officers in Hyde Park, London, during the boxer's early morning run, August 1977. (Photo by Evening Standard/Hulton Archive/Getty Images)
Muhammad Ali
World heavyweight boxing champion Muhammad Ali in training at the Royal Artillery Gymnasium in London for his upcoming fight with British champion Henry Cooper, against whom he must defend his title. (Photo by Trevor Humphries/Getty Images)
Muhammad Ali
Cassius Clay (now Muhammad Ali), world heavyweight champion, is floored by British boxer heavyweight champion Henry Cooper during their fight at Wembley Stadium. Despite this setback Clay went on to win, but it was the first time he had ever been floored. (Photo by Central Press/Getty Images)
Muhammad Ali
US boxer Cassius Clay (now Muhammad Ali) and British boxer Henry Cooper weigh-in on the stage of the Palladium for their heavyweight match at Wembley Stadium, London. Ali holds up five fingers to indicate that he will beat Cooper in five rounds, a prediction that proved to be correct. Left to right: Cooper's manager Jim Wicks, Cooper, Clay and promoter Jack Solomons. Original Publication: People Disc - HW0539 (Photo by Keystone/Getty Images)
Muhammad Ali
Muhammad Ali during training for his fight with Al 'Blue' Lewis held in Dublin, Republic of Ireland in 1972. (Photo by Getty Images)
Muhammad Ali
In this photo taken on October 19, 1974 shows US boxing heavyweight champion Muhammad Ali (C) (born Cassius Clay) is escoted at his training center 11 days before the heavyweight world championship in Kinshasa. On October 30, 1974 Muhammad Ali knocked out George Foreman in a clash of titans known as the "Rumble in the Jungle", watched by 60 000 people in the stadium in Kinshasa and millions elsewhere. AFP PHOTO (Photo credit should read STR/AFP/Getty Images)
Ali Holding The Baby
American boxer Muhammad Ali, who first became world heavyweight champion in 1964, bottle-feeds his baby daughter Hana. Ali has been left holding the baby as the babysitter is ill and his wife is out shopping. Original Publication: (Photo by Evening Standard/Getty Images)
Muhammad Ali
In this photo taken on October 19, 1974 shows US boxing heavyweight champion Muhammad Ali (C right) (born Cassius Clay) during a press conference before the heavyweight world championship in Kinshasa. On October 30, 1974 Muhammad Ali knocked out George Foreman in a clash of titans known as the "Rumble in the Jungle", watched by 60 000 people in the stadium in Kinshasa and millions elsewhere. AFP PHOTO (Photo credit should read STR/AFP/Getty Images)
Muhammad Ali
PARIS, FRANCE - 1978 (Photo by Patrick Riviere/Getty Images)
1996 US Mens Olympic Basketball Team
ATLANTA, GA - 1996: Reggie Miller #10, and Hakeem Olajuwon #15 of the 1996 United States Mens Olympic Basketball Team pose for a picture with Muhammad Ali circa 1996 in Atlanta, GA. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 1996 NBAE (Photo by Nathaniel S. Butler/NBAE via Getty Images)
Muhammad Ali
PHOENIX - MARCH 28: (L-R) Muhammad Ali, Lonnie Ali, and Roy Firestone onstage during Muhammad Ali's Celebrity Fight Night XV held at the JW Marriott Desert Ridge Resort & Spa on March 28, 2009 in Phoenix, Arizona. (Photo by Michael Buckner/Getty Images for Celebrity Fight Night)
Muhammad Ali
PHOENIX - MARCH 28: (L-R) NFL Football player Kurt Warner, Lonnie Ali and Muhammad Ali on stage during Muhammad Ali's Celebrity Fight Night XV held at the JW Marriott Desert Ridge Resort & Spa on March 28, 2009 in Phoenix, Arizona. (Photo by Michael Buckner/Getty Images for Celebrity Fight Night)
Muhammad Ali
Recording artist Kris Kristofferson (L) greets boxing legend Muhammad Ali on stage at the Muhammad Ali's Celebrity Fight Night XVIII on March 24, 2012 in Phoenix, Arizona. The event supports the fight against Parkinson's disease and this year also celebrates Ali's 70th birthday. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Muhammad Ali
LONDON, ENGLAND - JULY 25: Muhammad Ali attends the Sports For Peace Fundraising Ball at The V&A on July 25, 2012 in London, England. (Photo by Ian Gavan/Getty Images)
Muhammad Ali
LONDON, ENGLAND - JULY 27: The Olympic flag bearers Muhammad Ali (C), Daniel Barenboim, Sally Becker, Shami Chakrabati CBE, Leymah Gbowee, Haile Gebrselassie (L), Doreen Lawrence OBE, Ban Ki-moon and Marina Silva during the Opening Ceremony of the London 2012 Olympic Games at the Olympic Stadium on July 27, 2012 in London, England. (Photo by Shaun Botterill/Getty Images)
Muhammad Ali
Sports Illustrated Group Editor Paul Fichtenbaum and Muhammad Ali attends the Sports Illustrated Tribute to Muhammad Ali at The Muhammad Ali Center on Oct. 1, 2015 in Louisville, Kentucky. (Photo by Stephen Cohen/Getty Images for Sports Illustrated)
May May Ali and Her Dad
Maryum "May May" Ali and her father Muhammad Ali (Photo Credit Maryum "May May Ali)
Muhammad & Maryum Ali
Muhammad-&-Maryum-Ali (Photo by Maryum "May May" Ali)