All I can say CR is that in roughly 30 years of coaching baseball, majority at high school age level ad a head coach or assistant coach, I have never needed more than a couple weeks of evaluation to set a depth chart and have a pretty good idea of what guys can do. Sure it can change and someone may surprise for better or worse, but neither me or anyone I have coaches with have needed half a season to figure out. There was one season, my only losing one, but that was due to injuries and that uncertainty was a big reason. By the way, the second half was much better than the first because I figured it out