Muhammad Ali, widely hailed as the greatest heavyweight boxer in the sport’s history, died late Friday night after being hospitalized in Arizona a day earlier with a respiratory issue.Ali, 74, had suffered from Parkinson’s disease since the 1980s.“After a 32-year battle with Parkinson’s disease, Muhammad Ali has passed away at the age of 74. The three-time World Heavyweight Champion boxer died this evening,” family spokesperson Bob Gunnell said in a statement.Ali died at Scottsdale Osborn Medical Center, where the scene outside was quiet. Law enforcement sealed off entrances and news media was station across the street. Earlier Friday family members arrived at the hospital.