April 18, 2011 Dan Severn, who just might be the greatest UFC heavyweight of all time and who is also currently... Edit Delete Tags Autopost Source: http://www.mmamania.com/2011/4/18/2118660/dan-severn-who-just-might-be-the-greatest-ufc-heavyweight-of-all-timeRyan Bader Siyar Bahadurzada Bao Ligao Josh Barnett