PBF with his 5 knockdowns highlighting his pinpoint accuracy over then undefeated Diego Corrales (I know it's popular to bag on PBF nowadays, but that was a hell of a showing.)

Juan Diaz Over Popo Freitas AND Ricky Hatton Over Kostya Tszyu
both unification bouts making their opponents quit on their stools and fall into retirement from sheer aggression.

Roy Jones Jr. for not having any punches landed against him in round 5 against wild swinger Vinny PAZ.

Pacquiao for absolutely flattening Hatton.

Ali's rope-a-dope against Foreman.

sorry more than two.