Dont know how many have seen this..
http://www.youtube.com/watch?v=ki4UKsI8bms&mode=related&search=earnie%20shavers%20jimmy%20ellis%20knockout %20punch%20boxing

http://www.boxingscene.com/forums/showthread.php?t=88403&highlight=tyson+show This is a huuuuuge forum,nothing gets undiscovered especially something with those greats.

http://www.boxingscene.com/forums/showthread.php?t=91365&highlight=tyson+hall