A spokesman for Ali says the former heavyweight boxing champion has been hospitalized with a mild case of the illness and is in stable condition.
Spokesman Bob Gunnell says Ali was admitted to an undisclosed hospital Saturday and that the 72-year-old boxing great is being treated by his team of doctors . He says Ali's prognosis is good because the pneumonia was caught early and that a short hospital stay is expected, reported CNN.
He says no other details are being released due to the Ali family's request for privacy.
JUST IN: Boxing legend Muhammad Ali hospitalized with a mild case of pneumonia; prognosis is good, his rep tells NBC News
— NBC Nightly News (@NBCNightlyNews) December 21, 2014
In case you didn't know, the colorful Ali was born Cassius Clay and won an Olympic gold medal as a light-heavyweight at age 18.
In 1964, he became world heavyweight champion in an upset victory against then champion Sonny Liston. Shortly thereafter changed his name to Muhammad Ali to reflect his conversion to Islam.