Much has already been written this offseason about the Cardinals bullpen. There are specific players many believe should be targeted: Juan Nicasio, Mike Minor, Mark Appel, Derek Holland, and more. There are also strategies for improving the bullpen that could be used: shopping at the bottom of the market and looking for upside as well as compiling a plethora of arms instead of a valued few. But what do recent statistical trends tell us not only about the best players to acquire, but also about in game strategy? What are the best teams good at and in which areas do they get away with being sub par?