Muhammad Ali in training October 9, 1974 for his world "The Rumble in the Jungle" in Zaire. (AP Photo)

Heavyweight boxing champion Cassius Clay Jr. reacts with mouth wide open as his handlers hold him back after his seventh round technical knockout of heavyweight champion Sonny Liston in Miami Beach, Fl. Picture by: / AP/Press Association Images

Picture by: Niall Carson / PA Archive/Press Association Images

Muhammad Ali with and his wife Lonnie Ali (right) and daughter Hana (left) unveiling the plaque on Turnpike Road in Ennis Co Clare to his ancestors after he was honoured today as the first Freeman of the town in 2009.

Spray flies from the head of challenger Joe Frazier as heavyweight champion Muhammad Ali connects with a right in the ninth round of their title fight in Manila, Philippines, October 1, 1975. Ali won the fight on a decision to retain the title. (AP Photo/Mitsunori Chigita)

Laila Ali, left, poses with her father, boxing great Muhammad Ali, after her win against Erin Toughill, in this June 11, 2005 file photo, at the MCI Center in Washington. (AP Photo/Pablo Martinez Monsivais)

The Beatles, from left, Paul McCartney, John Lennon, Ringo Starr, and George Harrison, take a fake blow from Cassius Clay while visiting the heavyweight contender at his training camp in Miami Beach, Fla. Picture by: AP / AP/Press Association Images

With former foes: Joe Frazier and George Foreman. Picture by: S&G / S&G and Barratts/EMPICS Sport 

Ali receives the Liberty Medal from his daughter Laila Ali with his wife Lonnie Ali at his left during a ceremony at the National Constitution Center, Thursday, Sept. 13, 2012, in Philadelphia. The honor is given annually to an individual who displays courage and conviction while striving to secure liberty for people worldwide. (AP Photo/Matt Rourke)

Ali, is shown planting a big kiss on Little Muhammad Ali, his 2 1/2 year old son, after his family arrived at Miami Beach, Florida, Tuesday, April 15, 1975. Ali is in training at Miami Beach for his title fight with Ron Lyle, May 16 in Las Vegas, Nevada. (AP Photo)

Muhammad Ali RIP.