Boxer Muhammad Ali passed away in a Phoenix-area hospital on Friday evening at the age of 74. Ali had been hospitalized for the past few days with respiratory complications and was reported to have been in "grave" condition Friday afternoon. He also battled Parkinson's disease for 32 years.
BREAKING: Muhammad Ali, who riveted the world as 'The Greatest,' dies at 74
— The Associated Press (@AP) June 4, 2016
Ali is considered to be one of (if not the) greatest boxers of all time. He won the World Heavyweight Championship in 1964 at the age of 22, and again won it in 1974 and 1978--the only person to do so three times. He won Olympic light heavyweight boxing gold in the 1960 Rome Olympics.