Jeffrey William Monson is an American-born Russian mixed martial artist, boxer, and submission grappler who competes primarily in the heavyweight division. A professional competitor since 1997, he has competed for the UFC, Strikeforce, DREAM, PRIDE, M-1 Global, Impact FC, World Victory Road, and Cage Warriors.

KNOWN FOR

Звёзды в джунглях
2025
Call Sign: Aldan
2025
UFC 57: Liddell vs. Couture 3
2006
Strikeforce World Grand Prix Quarter-Finals: Overeem vs. Werdum
2011
UFC 29: Defense of the Belts
2000
UFC 35: Throwdown
2002
UFC 61: Bitter Rivals
2006
UFC 59: Reality Check
2006
M-1 Global: Fedor vs. Rizzo
2012
Pride 34: Kamikaze
2007
UFC 27: Ultimate Bad Boyz
2000
UFC 65: Bad Intentions
2006

FILMOGRAPHY

All
Movies
TV
Acting
14
Producing
1
2025
Call Sign: Aldan
as Mercenary Jeff
2025
Звёзды в джунглях
as Self - Gamer
2016
Submission Underground 2
as Self
2012
M-1 Global: Fedor vs. Rizzo
2011
Strikeforce World Grand Prix Quarter-Finals: Overeem vs. Werdum
as Self
2009
DREAM 8
as Self
2007
Pride 34: Kamikaze
as Self
2006
UFC 65: Bad Intentions
as Self
2006
UFC 61: Bitter Rivals
as Self
2006
UFC 59: Reality Check
as Self
2006
UFC 57: Liddell vs. Couture 3
as Self
2002
UFC 35: Throwdown
as Self
2000
UFC 27: Ultimate Bad Boyz
as Self
2000
UFC 29: Defense of the Belts
as Self