I'd go with Marquez, but not with a lot of confidence. This is FAR from a mismatch. Marquez is aggressive and most importantly...VULNERABLE enough that it makes for a dicey affair. If Marquez is caught cold at any time, it could end matters. Marquez via split decision is my call, but Hamed could easily land some ridiculous bomb from an impossible angle to end matters to win via KO whilst down on the cards.
No way is this easy for Marquez... way too easy to hit and hurt... He's got great tools to win, and he very well could win, but make no mistake he's getting rocked bad several times, win or lose
I think Marquez wins fairly comfortably in the end after getting dropped at some stage. Naz just wasn't active enough.