Frank Shamrock
Age: 37
Record: 23-10-2
Accomplishments: 1st ever UFC LHW champion (4 defenses), 1st Interim King of Pancrase Champion, 1st WEC Light Heavyweight Champion, 1st Strikeforce Middleweight Champion.
Notable wins: Bas Rutten, Funaki, Horn, Ortiz, Ceasar Gracie, Kevin Jackson, Inoue.
Anderson Silva
Age: 35
Record: 27-4
Accomplishments: Shooto Middleweight Champion,
Current UFC Middleweight Champion: Most successful title defenses (Seven)
Most consecutive wins in the UFC (Twelve)
Longest UFC title reign
Pride FC Welterweight Champion, Cage Rage LHW champion
Notable wins: Mach Sakurai, Carlos Newton, Horn, Murray, Leben, Franklin x2, Maurquardt, Henderson, Cote, Leities, Griffin, Maia, Sonnen.
I'm sure people have different opinions as to who is a "notable win" so I tried to put down the more successful one's. If you think some don't deserve to be on, or if I've left someone out, feel free to point that out.
Now vote away.