For example: Terence Crawford

Umar Nurmagomedov

Russia

Bantamweight (135 lbs)

Islam Makhachev

Russia

Lightweight (155 lbs)

Khabib Nurmagomedov

Russia

Lightweight (155 lbs)

Movsar Evloev

Russia

Bantamweight (135 lbs)

Alexander Emelianenko

Russia

Heavyweight (265 lbs)

Usman Nurmagomedov

Russia

Lightweight (155 lbs)

Timur Khizriev

Russia

Featherweight (145 lbs)

Alexander Volkov

Russia

Heavyweight (265 lbs)

Denis Goltsov

Russia

Heavyweight (265 lbs)

Fedor Emelianenko

Russia

Heavyweight (265 lbs)

Kirill Sidelnikov

Russia

Heavyweight (265 lbs)

Oleg Popov

Russia

Heavyweight (265 lbs)

Sergey Pavlovich

Russia

Heavyweight (265 lbs)

Valter Walker

Russia

Heavyweight (265 lbs)

Gadzhimurad Antigulov

Russia

Light Heavyweight (205 lbs)

Magomed Ankalaev

Russia

Light Heavyweight (205 lbs)

Vadim Nemkov

Russia

Light Heavyweight (205 lbs)

Alexander Shlemenko

Russia

Middleweight (185 lbs)

Murad Ramazanov

Russia

Middleweight (185 lbs)

Albert Duraev

Russia

Welterweight (170 lbs)

Shamil Musaev

Russia

Welterweight (170 lbs)

Alexander Sarnavskiy

Russia

Lightweight (155 lbs)

Andrei Koshkin

Russia

Lightweight (155 lbs)

Dariya Zheleznyakova

Russia

Women's Bantamweight (135 lbs)

Petr Yan

Russia

Bantamweight (135 lbs)

Aleksey Oleynik

Russia

Heavyweight (265 lbs)

Anton Vyazigin

Russia

Heavyweight (265 lbs)

Ivan Shtyrkov

Russia

Heavyweight (265 lbs)

Mikhail Mokhnatkin

Russia

Heavyweight (265 lbs)

Mukhomad Vakhaev

Russia

Heavyweight (265 lbs)

Salimgerey Rasulov

Russia

Heavyweight (265 lbs)

Sergei Kharitonov

Russia

Heavyweight (265 lbs)