Rookie Watch: Best in December

It's easy to check a rookie's cumulative stats and make a judgment on how that player is playing, but it's just as easy to be wrong when you do that. There are all sorts of variables involved. The bottom line is rookies can go from lost to found very quickly in this league. Similarly, some rookies storm into the league only to struggle later as teams figure out how to defend them, or the player is simply unable to maintain playing at such a high level.

As 2009 comes to a close, there are a number of players who have improved or faded already. Let's take a closer look at December's top 10 rookies.