A fighter may win the bout before a call is reached thru a knockout which is when a fighter is knocked down in the fight and the referee starts counting and if the referee count to ten, then the knocked-down fighter is excluded as knocked out. A fighter can also win a bout by a technical knockout which is when a fighter is ruled by the referee as unable to safely continue to battle, based on wounds or being judged unable to effectively protect themselves. That time is over and Ward is now officially in the boxing enormous leagues. There were moments in the fight of Ward against Mikkel Kessler which will have caused spectators to believe that the fight was a mismatch. Wards response was simply Im not a grimy fighter and it's clear that before the head-butts, Ward was in total control of the fight from round one using his fists to redden the face of Kessler.
The genuine threat is Andre Ward who hasn't lost a fight in so long that he might not be capable of losing again.