Muhammad Ali has sadly been hospitalized.

The 74-year-old sports icon was admitted to a hospital earlier this week for a respiratory issue, his rep confirmed in a statement to People.

muhammad ali getty images

Muhammad in July 2012.

According to Muhammad's rep, the star is in "fair condition," is being treated by a team of doctors and is expected to have a "brief" stay in the hospital.

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The former boxer — who was diagnosed with Parkinson's disease in 1984 — was previously hospitalized in December 2014 for pneumonia and January 2015 for a severe urinary tract infection.