On this episode of the Replacement Level Podcast Baseball-Reference founder Sean Forman joined me to discuss WAR (wins above replacement). Sean talked about how the stat was initially created, how it’s currently calculated, and differences between the versions offered on Baseball-Reference (rWAR) and FanGraphs (fWAR). Sean also spoke about the accuracy of defensive metrics and how defense is applied to a player’s value. We also discussed how park factors, baserunning, and defensive shifts are accounted for with WAR.
This is an in-depth look at how wins above replacement is calculated for both active and retired players from one of the people who has been instrumental in its current development. I hope you listen to and enjoy the podcast, it can also be downloaded for free on iTunes.
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