UFC Champions
Heavyweight - Brock Lesnar 1x Defended
Heavyweight (Interim) Shane Carwin 0 x Defended
Light Heavyweight - Mauricio Rua 0x Defended
Middleweight - Anderson Silva 6x Defended
Welterweight - Georges St-Pierre 4x Defended
Lightweight - Frankie Edgar 0x Defended


WEC Champions
Lightweight - Ben Henderson 1x Defended
Featherweight - Jose Aldo 1x Defended
Bantamweight - Dominick Cruz 0x Defended


Strikeforce Champions
Heavyweight - Alistair Overeem 1x Defended
Lightheavyweight - Muhammed Lawal 0x Defended
Middleweight - Vacant (Jake Shields 1x Defended)
Welterweight - Nick Diaz 0x Defended
Lightweight - Gilbert Melendez 1x Defended
Women's (145lb) - Cristiane Santos 1x Defended


DREAM Champions
Super Hulk - Ikuhisa Minowa 0x Defended
Middleweight - Vacant
Welterweight - Marius Zaromskis 0x Defended
Lightweight - Shinya Aoki 0x Defended
Featherweight - Bibiano Fernandes 1x Defended


Sengoku Champions
Middleweight - Jorge Santiago 1x Defended
Welterweight - Vacant
Lightweight - Vacant
Featherweight - Masanori Kanehara 0x Defended


Shooto Champions
183lbs (Light Heavyweight) - Siyar Bahadurzada 1x Defended
168lbs (Middleweight) - Shinya Aoki 2x Defended
154lbs (Welterweight) - Willamy Freire 0x Defended
143lbs (Lightweight) - Takeshi Inoue 1x Defended
132lbs (Featherweight) - Shuichiro Katsumura 0x Defended
123lbs (Bantamweight) - Vacant
115lbs (Flyweight) - Rambaa Somdet 0x Defended


Pancrase Champions
Openweight - Josh Barnett 0x Defended
Light Heavyweight (205) - Ryo Kawamura 1x Defended
Middleweight (181lbs) - Yuki Kondo 0x Defended
Welterweight (170lbs) - Takuya Wada 4x Defended
Lightweight (155lbs) - Maximo Blanco 0x Defended
Featherweight (145lbs) - Marlon Sandro 0x Defended
Bantamweight (135lbs) - Manabu Inoue 1x Defended
Flyweight (128lbs) - Kiyotaka Shimizu 0x Defended


DEEP Champions
Megaton - Yusuke Kawaguchi 1x Defended
Light Heavyweight - Yoshiyuki Nakinishi 0x Defended
Middleweight - Riki Fukuda 1x Defended
Welterweight - Yuya Shirai 0x Defended
Lightweight - Katsunori Kikuno 0x Defended
Featherweight - Takafumi Otsuka 0x Defended
Bantamweight - Masakazu Imanari 1x Defended
Women's Lightweight (106lbs) - Miku Matsumoto 8x Defended
Women's Flyweight (99lbs) - Satoko Shinashi 0x Defended


Bellator Tournament Champions
Middleweight - Hector Lombard
Welterweight - Lyman Good
Lightweight - Eddie Alvarez
Featherweight - Joe Soto


Maximum Fighting Championship
Light Heavyweight - Vacant
Middleweight - Vacant
Welterweight - Pat Healy 2x Defended
Lightweight - Antonio McKee 2x Defended