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Wednesday, March 12, 2014
BIS gets out the crystal ball.
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1. SoCalDemon Posted: March 12, 2014 at 06:09 PM (#4670596)James: An Open Letter to the Hall of Fame About Dwight Evans | Grantland
I confess that I find this juxtaposition and apparent contradiction to be a little humorous. Reasonable minds can and do disagree on these matters, of course.
I seem to recall James answering a question in his mailbag in the last six months or so in which he said that his system caps fielding value at about 10 runs above average or so. That's not verbatim, and I might be off by a quite bit, but that's vaguely what I remember. If someone is a subscriber and can search the mailbag archives, then he might be able to find the quote.
James sez the Tigers have gone from -63 to +26, an 89 run difference...that's almost nine whole games, people. (I'll take it.)
It's not "runs above" anything; it's simply a count. DRS is Defensive Runs Saved.
By UZR the Rays went from -48.2 in 2007 to 72.6 in 2008. BBRef doesn't show a total column for DRS but by Total Zone they went from -79 to 54 (-6.6 to 2.6 dWAR). It was a positively ridiculous turnaround and the biggest reason for them surprising in 2008.
DRS is defensive runs saved versus an *average* player at that position (more or less).
As I understand it, a player gets positive credit for making plays and negative credit for failing to make plays, with the amount of credit dependent on the frequency with which that play is successfully made. So if a player were to make 90% of the plays that his peers make 90% of the time, 50% of the plays that his peers make 50% of the time, and 10% of the plays that his peers make 10% of the time (and so on), then he'd be an exactly average fielder and his DRS would be 0.
Sounds like Iglesias will miss the 2014 season, so that might need to be updated.
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