He's a joke to newcomers now but back in the day... absolute force. Size DOES matter but it only comes to focus years later, after everyone's sober'd from the 'new breed' stuff.
Man I remember seeing the fight at the time. I was thinking that piledriving was attempted murder. That was worse than the Randleman suplex on Emelianenko. Apparently Nogueira suffert from the neck injury quite a while.
Sapp was unreal, his arms are as big if not even bigger than Nogueira's legs.