:rofl Actually I was just watching Teddy Atlas and he said the first thing that stuck out on Tyson was that he was 12 years and 190 pounds. Of muscle, no fat as he said. They then wanted to see the birth certificate beacuse they couldnt belive he was 12. So 170 pounds maybe when he was 9.
If we were to take a natural heavyweight version of Terry Noris to fight Mike Tyson, or a natural light middleweight Tyson to fight Noris. I'd go with Tyson. However in a fight at 170 assuming that we are talking about Tyson comming down and Noris moving up. It's a lot easier to add weight than lose weight. I like Noris.
I don't think Tyson could make 170, if he did he'd be very gaunt and his performance would suffer greatly.
Norris too much heart for Tyson, the moment he took a step forward Tyson's mind would implode where he'd curl into the fetal position and die.