Timothy Bradley had better feet, was far more aggressive, had better stamina. threw in bunches. Amir would not have been able to keep him away. Bradley UD
I actually think Bradley could have gotten the stoppage, or at least dropped Amir in an exchange. The narrative of Bradley as being a feather-fist I think gets exaggerated, he was average-hitting, but when you lit a fire under his ass he would throw punches in bunches with bad intentions, and I think he would pull out all the stops to stay in Khan's ass with heavy pressure, even if that meant eating some counters on the way in. (we know Bradley had a great chin, at least in terms of the recovery side, and would have not had a problem getting up on the canvas and flinging himself @ Khan over and over..)
Bradley by KO, , and a nasty one, as in he'd TKO Khan, and land four or five more after he had Khan out on his feet before the ref could step in, and the last one would put him down and out. Similar to the Holm/Mathis KO.
Bradley is exactly the style Khan could eat up. He lacks power and is a technical fighter, not an effectively aggressive one. Khan’s speed would do enough to carry him long enough to score the rounds necessary to win by decision.