Let's sequence this properly. He started the year out hurt, then came back and pitched pretty well, albeit with unspectacular peripherals. He's healthy now, which isn't how your post sounds. By far the most useful predictor of future injuries is recent injuries. Any injury on a pitcher's history, even if he comes back from it, puts them in a much higher risk category in the future. http://www.baseballprospectus.com/article.php?articleid=19653 The two worst things that can happen to a pitching prospect in any given season are an injury and a notable drop in Ks. Pierce Johnson had both last year.