Tim anderson never had a negative war defensively. Those are the fact, so a slightly above average Defensive SS becoming good with more experiance is not shocking. I believe a player can get better, a terrible defensive player with work could get close to average probably a tick below. A average player can make themselves into and above average guy. Your just not gonna see guys very often go from really bad to even above average very often. of course if you look I bet you can find examples of guys doing it, but I'm not looking for outliars the averages tell me rosario and andujar will always be below average, now below average with andujar bat is more than adequate. With rosario at the SS position I'm not sure it will be.
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