By Dan Lyons After landing a major quarterback transfer, Kiffin has dubbed himself the “portal king.” View the original article to see embedded media. Ole Miss is one of the main beneficiaries of the quarterback shakeups stemming from this year’s coaching carousel, most notably Lincoln Riley’s move from Oklahoma to USC. After Riley joined the Trojans, former USC starting quarterback Jaxson Dart is the latest major QB to make a move, landing with Lane Kiffin and the Rebels. After days of speculation, Dart confirmed his commitment on Sunday. He will be a favorite to step into the job left vacant…