Tim Sylvia might be able to beat any Heavyweight Boxer in mma but if he thinks he is going to beat Klitschko in a boxing match he is crazy.
HW: Andrei Arlovski, Cain Velazquez
LHW: Tito Ortiz, Forrest Griffin, Rampage, Ryan Bader
MW: Rich Franklin, Gegard Mousasi, Jorge Santiago
WW: GSP, Carlos Condit
LW: Kenny Florian, Sean Sherk, Nate Diaz