For example: Terence Crawford

Khabib Nurmagomedov

Russia

Lightweight (155 lbs)

Tony Ferguson

USA

Lightweight (155 lbs)

Fedor Emelianenko

Russia

Heavyweight (265 lbs)

Justin Gaethje

USA

Lightweight (155 lbs)

Ronda Rousey

USA

Women's Bantamweight (135 lbs)

Conor McGregor

Ireland

Lightweight (155 lbs)

Alexander Emelianenko

Russia

Heavyweight (265 lbs)

Vyacheslav Vasilevsky

Russia

Middleweight (185 lbs)

Francis Ngannou

France

Heavyweight (265 lbs)

Anatoly Tokov

Russia

Middleweight (185 lbs)

Gegard Mousasi

Netherlands

Middleweight (185 lbs)

Dustin Poirier

USA

Lightweight (155 lbs)

Joanna Jedrzejczyk

Poland

Women's Strawweight (115 lbs)

Alistair Overeem

Netherlands

Heavyweight (265 lbs)

Sergey Pavlovich

Russia

Heavyweight (265 lbs)

Jon Jones

USA

Light Heavyweight (205 lbs)

Israel Adesanya

Nigeria

Middleweight (185 lbs)

Donald Cerrone

USA

Welterweight (170 lbs)

Tyron Woodley

USA

Welterweight (170 lbs)

Zubaira Tukhugov

Russia

Featherweight (145 lbs)

Petr Yan

Russia

Bantamweight (135 lbs)

Rose Namajunas

USA

Women's Strawweight (115 lbs)

Aleksey Oleynik

Russia

Heavyweight (265 lbs)

Andrei Arlovski

Belarus

Heavyweight (265 lbs)

Suriname

Heavyweight (265 lbs)

Oleg Taktarov

Heavyweight (265 lbs)

Sergei Kharitonov

Russia

Heavyweight (265 lbs)

Stipe Miocic

USA

Heavyweight (265 lbs)

Daniel Cormier

USA

Light Heavyweight (205 lbs)

Nikita Krylov

Russia

Light Heavyweight (205 lbs)

Alexander Shlemenko

Russia

Middleweight (185 lbs)

Michael Page

United Kingdom

Middleweight (185 lbs)