Greatest combined weight of boxers in a fight

The greatest `tonnage' recorded in any fight is 317 kg. (699 lb.) when Claude `Humphrey' McBride (Oklahoma), 154 kg. (3,398 lb), knocked out Jimmy Black (Houston), who weighed 163 kg. (3,598 lb.) in the third round at Oklahoma City on June 1, 1971. For this contest Claude 'Humphrey' McBride was almost 340 lb and Jimmy Black was almost 360 lb, so it went down in ring history has the first 700 lb fight.