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Why is ubb, hbp, and a single weighted differently in wOBA?

0 votes
Why is ubb, hbp, and a single weighted differently in the 2011 wOBA formula?  In every case you end up on first.  Is there a reason why a single is weighted higher than hbp and ubb under the 2011 wOBA?
asked Jan 14, 2013 in Sabermetrics by robertsonbri (5 points)

1 Answer

+1 vote
Singles are more valuable because you can advance a runner more than one base, something that can't happen on a walk or HBP.  UIBBs are a bit less valuable because they are occasionally in the form of pitching around a guy, setting up a double play.  HBPs are usually randomly spread throughout all situations, not when first base is open or other base states.
answered Jan 14, 2013 by LeeTro (354 points)
This is one of the key reasons wOBA is preferable to OPS. Spread the word; friends don't let friends use OPS
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