For example: Terence Crawford

Khabib Nurmagomedov

Russia

Lightweight (155 lbs)

Alexander Emelianenko

Russia

Heavyweight (265 lbs)

Fedor Emelianenko

Russia

Heavyweight (265 lbs)

Zabit Magomedsharipov

Russia

Featherweight (145 lbs)

Vyacheslav Vasilevsky

Russia

Middleweight (185 lbs)

Petr Yan

Russia

Bantamweight (135 lbs)

Alexander Volkov

Russia

Heavyweight (265 lbs)

Magomed Ismailov

Russia

Light Heavyweight (205 lbs)

Anatoly Tokov

Russia

Middleweight (185 lbs)

Zubaira Tukhugov

Russia

Featherweight (145 lbs)

Aleksey Oleynik

Russia

Heavyweight (265 lbs)

Ivan Shtyrkov

Russia

Heavyweight (265 lbs)

Sergey Pavlovich

Russia

Heavyweight (265 lbs)

Vitaly Minakov

Russia

Heavyweight (265 lbs)

Vadim Nemkov

Russia

Light Heavyweight (205 lbs)

Alexander Shlemenko

Russia

Middleweight (185 lbs)

Abubakar Nurmagomedov

Russia

Welterweight (170 lbs)

Andrey Koreshkov

Russia

Welterweight (170 lbs)

Mukhamed Berkhamov

Russia

Welterweight (170 lbs)

Islam Makhachev

Russia

Lightweight (155 lbs)

Marat Balayev

Russia

Featherweight (145 lbs)

Anton Vyazigin

Russia

Heavyweight (265 lbs)

Mukhomad Vakhaev

Russia

Heavyweight (265 lbs)

Sergei Kharitonov

Russia

Heavyweight (265 lbs)

Valentin Moldavsky

Russia

Heavyweight (265 lbs)

Vyacheslav Datsyk

Russia

Heavyweight (265 lbs)

Mikhail Ragozin

Russia

Light Heavyweight (205 lbs)

Nikita Krylov

Russia

Light Heavyweight (205 lbs)

Vladimir Mineev

Russia

Middleweight (185 lbs)

Albert Tumenov

Russia

Welterweight (170 lbs)

Alexey Kunchenko

Russia

Welterweight (170 lbs)

Sergey Romanov

Russia

Welterweight (170 lbs)