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Wednesday, September 08, 2010

Fielding spectrum values

By Tangotiger, 10:38 AM

Colin brings up a topic near and dear to my baseball heart.

Just to be clear, the spectrum values I’ve been using applies only to recent seasons (say the last 10 years).  I have no doubt that the 2B were ahead of 3B in earlier decades (and vice versa in the early days of baseball, just like it would be in high school).

Rally has created his own set of spectrum values by decade, and I think he published them somewhere.  Rally, can you post them here?  Colin hasn’t yet provided his values.

And I agree with Colin that there are issues in the way I do it.  No matter what UZR says about the position switchers of LF-RF, it seems pretty clear that MLB teams, these days anyway, put their worst fielder, usually, in LF, not RF.  This is not an indictment of UZR, but more of relying too strongly on the process I’m using.  Which is why I put the spectrum in steps of 0.50 wins, to accept the fact that these are more general guidelines, and that the margin of error is probably around +/-0.25 wins.

(20) Comments • 2010/09/08 • SabermetricsFielding
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September 08, 2010
Fielding spectrum values