Jeff Karstens has defined what has been an interesting fantasy baseball season in the MLB.
Not only has he helped the Pittsburgh Pirates return to relevance, but he has helped fantasy baseball teams across the nation with his surprising statistics.
Players have shockingly great statistical seasons like Karstens seemingly every year.
This year is no different, and there are a number of players who have come from the bottom of draft boards to the top of fantasy lineups.
Let's take a look at five surprise fantasy studs for 2011.