With free agency getting under way, many teams will be going through significant personnel changes. One of the biggest changes is going to be related to the market of closers.
Unlike starting pitchers, closers usually do not get the big and expensive long-term deals during the offseason. Three- or four-year contracts with under $50 million are typical for closers. Because of this, many teams change closers every few years, especially if a certain closer happens to pitch poorly in a given season.
With this being said, here are 10 bullpens that are bound to look significantly different in 2012.