With the 2011 Arizona Fall League coming to a close, we take a look back at the 10 Best and 10 Worst AFL performances. In most cases, one shouldn't read too much into how a player performs in the AFL. Historically, the league has been stocked with top-flight position prospects but quality pitching in the AFL is rare as thunderstorm in Phoenix. Thus, stats have always favored the hitters, and this year was no exception. Still, every year a handful of players have seasons, either good or bad, that impact their prospect status. Here's a shot at weeding out the contenders from the pretenders in the Valley of the Sun.

 

 

 

Nolan Arenado 3B, COL

2011 stats: .298/.349/.487 with 32 2b, 20 HR, and 47 BB/53...