And Jason is the only man to interview 11 of Muhammad Ali's opponents - Henry Cooper, Brian London, Joe Bugner, Richard Dunn, Joe Frazier, Ken Norton, Larry
Holmes, Earnie Shavers, Leon Spinks, Karl Mildenberger and George Chuvalo.
Wladimir would not have stood a chance against the likes of Ali, George Foreman, Ken Norton, Larry
Holmes and Mike Tyson.
Despite a career record which includes names like Ken Norton, Larry
Holmes and Muhammad AN, Shavers returns against famous London unlicenced fighter Stuart Livermore.
When Ali was fighting, the following were household names - Foreman, Frazier, Ken Norton, Larry
Holmes, Floyd Patterson.
He trained world champions Joe Frazier, Ken Norton, Larry
Holmes, Trevor Berbick, Michael Spinks and Riddick Bowe.