David vs. Goliath
Can Machida survive the initial onslaught?
Will Lesnar be too reckless and eat a violent knee or kick to the body?
Would Lyoto survive underneath Lesnar's top pressure? Could he produce a cat like sweep or get back to his feet before getting his brains beat out?
This is the type of fight that the sport would like to see.
This is a great NYE Main Event for next year.
I'd like to see it in an Inoki Bom Ba Ye
Machida kicks him right in the diverticulitis
This is one of those very weird, very bad matchups for the bigger man. I'm going with Machida.
I'd watch 
I'd prefer to see Machida vs. Punk, winner gets Lesnar
Middle weight machida finishes post UFC 100 lesnar inside the first. 
Lesnar took down Cain. Somehow I don't think Machida would be too much of a problem.
This one ends very badly for the smaller man.
Wait, why am I answering this seriously?
How about Edson Barboza vs Lesnar?
Edson has lethal kicks that can punish Brock's surgically repaired body.
Brock would Dolloway that ass
RIP Machida
Machida hits Brock in the face. Brock turtles. The end.
ieswideopen - Machida hits Brock in the face. Brock turtles. The end.Haha this.
I would give machida a chance of winning, but if Brock got ahold of him he would be in trouble.
Hmmmmm sniper-like target striking, or brute force ground and pound... Anyone that loses this fight does so very painfully
Brock by flying knee.
Machida would go karate kid on brock
LOL title made me laugh VU
Overeem wins