How much difference between he and McKay that pitched for U6 and he seems to be doing well.
McKay somehow managed to convince the Rays that he could both hit and pitch. So far, the hitting has not shown up. He is hitting just .217 in the minors, including this season where he is hitting .167 in Double A. He hit well in AAA (.269) earlier in the year, so I am not sure why they optioned him down again.
His pitching has been excellent with an ERA of 1.85 in the minors. I think McKay probably always had better stuff as a pitcher, but since he could hit as well they gave him a chance to do so. I think Reed was more of the opposite. His pitching just wasn't really sharp enough to project to be a major league pitcher. He was going to get there on hitting.
AJ has done exponentially better than McKay at hitting in the minors. AJ has played 6 seasons in the minors and has hit 135 home runs. McKay has played 3 seasons and has only 14 home runs.