We don't have the opportunity to see what a position coach does on a daily basis. As fans we have a limited vision in any attempt to evaluate a position coach. At the same time, there are some criteria that can be used to at least get some sort of idea. One, the position coach needs to be evaluated by the performance of the entire group at the position. A phenomenal player is a phenomenal player, and certainly not necessarily the product of a good coach. A lousy performance by one pl...