There has been a lot of talk the last few years about pitch framing for catchers, along with the importance of blocking skills. In the last year this has become a big topic for the Pirates, due to the signing of Russell Martin, who is rated one of the best pitch framers in the game. Despite the realization of the value of pitch framing and blocking, we haven't really had an accurate way of calculating the actual value of a good defensive catcher in terms of wins. That could be changing, thanks to an outstanding article on Baseball Prospectus by Harry Pavlidis and Dan Brooks.
Pavlidis and Brooks developed an advanced method to calculate the value of pitch framing and blocking in terms of runs, which could then be translated to wins using the 10 runs per win scale. The article does a much...
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