There’s no competition for QB1 at Ole Miss as Jaxson Dart is the clear starter, but the battle to be his backup is heating up. Walker Howard and Austin Simmons are considered the main two candidates, but true freshman AJ Maddox has also been impressive. Rebels coach Lane Kiffin offered his thoughts, saying that all have played well. However, he went on to add that Ole Miss “should probably expect more” from Howard given the experience that he has. “I think that they’ve both done a really good job,” he said. “AJ Maddox has done a really good job too. It’s been really competitive in there. I thi…