Jeff Monson

Born 1971-01-18 (age 55) Saint Paul, Minnesota, USA

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Biography

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.

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Jeff Monson

Known For

Call Sign: Aldan

Call Sign: Aldan

2025

as Mercenary Jeff

UFC 59: Reality Check

UFC 59: Reality Check

2006

as Self

UFC 57: Liddell vs. Couture 3

UFC 57: Liddell vs. Couture 3

2006

as Self

DREAM 8

DREAM 8

2009

as Self

UFC 61: Bitter Rivals

UFC 61: Bitter Rivals

2006

as Self

M-1 Global: Fedor vs. Rizzo

2012

UFC 35: Throwdown

UFC 35: Throwdown

2002

as Self

UFC 65: Bad Intentions

UFC 65: Bad Intentions

2006

as Self

Strikeforce World Grand Prix Quarter-Finals: Overeem vs. Werdum

Strikeforce World Grand Prix Quarter-Finals: Overeem vs. Werdum

2011

as Self

UFC 27: Ultimate Bad Boyz

UFC 27: Ultimate Bad Boyz

2000

as Self

UFC 29: Defense of the Belts

UFC 29: Defense of the Belts

2000

as Self

Pride 34: Kamikaze

Pride 34: Kamikaze

2007

as Self

Submission Underground 2

Submission Underground 2

2016

as Self