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What we know -

He has been training at MFS and with a top BJJ and boxing instructor.

Lesnar was a at one time a WORLD CLASS wrestler -

North Dakota State University's annual Bison tournament
1997-1998 winner
1998 NJCAA Division I Heavyweight Champion
Big Ten Title (1999-2000)
1999 NCAA Division I runner-up
Ranked the #1 HW [url=http://en.wikipedia.org/wiki/Heavyweight][/url]in the Big Ten (2000)
2000 NCAA Division I Heavyweight Champion

What we don't know -
How good is Lesnar's chin?
Can he strike?(boxing, Muay Thai)?
How he is going to do against top notch BJJ(Mir is a black belt in BJJ).


Lesnar wins = he belongs in the UFC and is legit

Lesnar loses but is respectable = he belongs BUT it might be a year before he is taken serious.

Lesnar gets KTFO or is tapped quickly he = joke and publicity stunt.


Mir is no joke, former UFC HW champ BUT has not been the same since the motorcycle wreck, so this is a test for him also.