Mike Tyson in his prime versus Ivan Drago in his prime?
Drago -370
Tyson +320
Drago 100-1 lifetime record (wikipedia) only falling to rocky balboa in one of the biggest upsets in sports history. A freakish athlete on the best steroid system mankind has ever seen. 6'8 with an incredible reach and stamina. PSI punch of 2200, where the average boxer is 700. Tyson believed to be at 1200.
RD 1: They both meet at the center of the ring, the russian towering over the american. tyson closes the distance and unleashes a murderous shot to the liver followed by a vicious uppercut that just misses. drago laughs and responds with a steroid fueled straight right that sends tyson across the ring. drago stands over him and says "if he dies...he dies" ivan drago KO@ :39 sec. of rd 1