James 'Buddy' McGirt did it against Whitaker, twice! And he quit in neither fight.

Larry Holmes beat Ken Norton despite going into the fight with a torn bicep.

Tommy Morrison won a fight against Joe Hipp with a broken jaw and hand.

If you want to be remembered at this sort of level, there are times you need to go beyond the call of duty; Vitali choose not to.
Amen to that man. You hit that one right on the head.