In the eyes of pretty much everybody, Ali was the greatest boxer of all time. Unfortunately, the man who showed the world how to “float like a butterfly and sting like a bee” endured a number of health problems over the last few decades and had become a shadow of his former glorious self. Suffering from a respiratory illness, a condition that was complicated by his Parkinson’s, Ali entered a hospital in Phoenix last week. In his passing, Muhammad Ali shook the world one last time and has left the world to mourn his loss and honor his humanity. We celebrate The Greatest by bringing you captivating Facts about the sportsman who touched our hearts and souls, probably more than any other athlete in history. These are 25 things you might not know about Muhammad Ali.