Voted For: Theory

Common

Dope & Its Hopeless When I'm Throwing Explosives & Carry Bombs
While?
Your Career Is In Left Field, Trying To Shake Hands With Barry Bonds
Pretty played concept..
Your Whack, But I Guess You Don't KNOW BETTER...But Wait Bitch
I Almost Forget You Just Met Me, Please Refrain My Earlier Statement
Haha.. This was pretty good..
When It Comes To Jokes I Don't Understand... I Don't Get Enough Credit?
I Mean, Your Sisters Ass Was A Fucking Joke, And Boy Did I Get It!
Nah.. Didn't connect..

Theory

Fuck your wack aliases, beat me? not the way you drop ass
This girls gone wild but we still don't see a hot flash
Haha.. Pretty good..
Get beat into a cast, i'll smack ya this whore and...
I aint callin' ya the bomb when we c-4 of your acounts banned
Decent..
You suck man, i'll give your bitch ass the metal dawg
Cuz if I ever see a hot flash...
it's a bitch on Menopause
Not as good as your first nameplay.. still decent though..

Overall, Common had 1 good bar.. Theory had 1 good bar.. Theory also had 2 decent bars.. whereas Common's other bars weren't that good. So, basing off of that, I'm giving this vote to Theory. His verse was just more consistent and better.

Vote - Theory