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Friday, February 06, 2009

Paradox of the DH adjustment

By Tangotiger, 10:40 AM

A reader tries to understand the positional adjustment for the DH:

Simply put, the replacement DH is the best freely available batter you can pay league minimum salary. His ability (or complete lack thereof) to play defense is entirely irrelevant.

Yes, very simply (and correctly!) put.  And those guys are league average hitters.  A DH’s WAA is his WAR.  Since we are giving a blanket +2.25 wins per 700 PA for all players, we need to “undo” this for the DH, which is why we give them a -2.25 positional adjustment.  Alternatively, we could give the +2.25 wins per 700 PA for all non-DH position players, and give no positional adjustment for the DH.  It’s the same thing.

(Note: we also give DH a +0.50 wins per 700PA bonus because it’s tougher to DH.  You would give a +1 win adjustment to PH.)

(8) Comments • 2009/02/11 • SabermetricsTalent_Distribution
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February 06, 2009
Paradox of the DH adjustment