George Foreman, the two-time world heavyweight boxing champion and Olympic gold medalist whose legendary rivalry with Muhammad Ali culminated in the famous ‘Rumble in the Jungle’ title bout, died Friday according to a verified social media account dedicated to Foreman.

George Foreman twice became world heavyweight champion and won Olympic gold in 1968; he famously fought Muhammad Ali in the Rumble In the Jungle in 1974; the George Foreman Grill sold in its millions

Former heavyweight champion George Foreman (C) and his sons George Foreman III (L) and George Foreman IV pose during the Television Critics Association 2008 summer press tour in Beverly Hills, California July 9,