Of course, you might be interested to know just how I decided the way I did. Player is, of course, the player in question.
Position is the player's position under analysis.
If a position is not listed, the player will receive no rating there. First Year and Final Year represent the first and last years a player may start at that position. The player may start all the years in between as well, if the player hits the magic 200 AB for that year. PRange is the player's range, figured as putouts plus assists, divided by games. LRange is the average league range at that position for the player's career.