The Specialized Bullpen: History, Analysis, and Strategic Models for Success

By John Daniels, Sara Andrasik, David Hooley

This article was published in the Fall 2018 Baseball Research Journal.

A great deal of attention has been given to the baseball closer, particularly since the save was officially recognized in 1969. But the modern bullpen is now multidimensional, complete with analytics and new algorithms, and this should give a manager more weapons with a late-game lead. This paper discusses the evolution of the specialized bullpen, how it has affected baseball, and how much the specialized bullpen contributes to a significant playoff run. This research should reinforce some accepted baseball adages and provide some examples that less is sometimes more. A . . .

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