For example: Terence Crawford

Alexander Emelianenko

Russia

Heavyweight (265 lbs)

Alexander Volkov

Russia

Heavyweight (265 lbs)

Fedor Emelianenko

Russia

Heavyweight (265 lbs)

Oleg Popov

Russia

Heavyweight (265 lbs)

Sergey Pavlovich

Russia

Heavyweight (265 lbs)

Valentin Moldavsky

Russia

Heavyweight (265 lbs)

Valter Walker

Russia

Heavyweight (265 lbs)

Magomed Ankalaev

Russia

Light Heavyweight (205 lbs)

Vadim Nemkov

Russia

Light Heavyweight (205 lbs)

Khalid Murtazaliev

Russia

Middleweight (185 lbs)

Sharabutdin Magomedov

Russia

Middleweight (185 lbs)

Vyacheslav Vasilevsky

Russia

Middleweight (185 lbs)

Albert Tumenov

Russia

Welterweight (170 lbs)

Mukhamed Berkhamov

Russia

Welterweight (170 lbs)

Ali Bagov

Russia

Lightweight (155 lbs)

Islam Makhachev

Russia

Lightweight (155 lbs)

Khabib Nurmagomedov

Russia

Lightweight (155 lbs)

Alexander Peduson

Russia

Featherweight (145 lbs)

Musa Khamanaev

Russia

Featherweight (145 lbs)

Timur Khizriev

Russia

Featherweight (145 lbs)

Zabit Magomedsharipov

Russia

Featherweight (145 lbs)

Dariya Zheleznyakova

Russia

Women's Bantamweight (135 lbs)

Darya Zheleznyakova

Russia

Bantamweight (135 lbs)

Movsar Evloev

Russia

Bantamweight (135 lbs)

Petr Yan

Russia

Bantamweight (135 lbs)

Umar Nurmagomedov

Russia

Bantamweight (135 lbs)

Tagir Ulanbekov

Russia

Flyweight (125 lbs)

Vartan Asatryan

Russia

Flyweight (125 lbs)

Aleksei Oleinik

Russia

Heavyweight (265 lbs)

Aleksey Oleynik

Russia

Heavyweight (265 lbs)

Anton Vyazigin

Russia

Heavyweight (265 lbs)

Denis Goltsov

Russia

Heavyweight (265 lbs)