Okay, I know (and you should) know that Wanderlei Silva is going to take it. I've made a little poll for who thinks who will win.
You've got four choices as to who is going to win
1) Wanderlei "V-Diddy" Silva
Name Wanderlei Silva
Nick Name The Axe Murderer
Record 22 - 3 - 1
Association Chute Boxe
Height 5'11 / 180.34 cm
Weight 199 lbs / 90 kg
Style Muay Thai
Birth Date 7/3/1976
City Curitiba
Country Brazil
2) Quinton "Rampage" Jackson
Name Quinton Jackson
Nick Name Rampage
Record 18 - 3 - 0
Association Team Oyama
Height 6'1 / 185.42 cm
Weight 205 lbs / 93 kg
Style Wrestling
Birth Date 6/20/1978
City Memphis
State Tennessee
Country USA
3) Chuck "the Iceman" Liddell
Name Chuck Liddell
Nick Name Iceman
Record 12 - 2 - 0
Association Pitfight Team
Height 6'2 / 187.96 cm
Weight 204 lbs / 93 kg
Style Kickboxing
Birth Date 12/17/69
City San Luis Obispo
State California
Country USA
4) Hidehiko Yoshida
Name Hidehiko Yoshida
Record 3 - 0 - 0
Height 5'11 / 180.34 cm
Weight 220 lbs / 100 kg
Style Judo
Birth Date 9/3/1969
Country Japan