UZR now available on FanGraphs
by Adam J. Morris on Dec 7, 2008 12:18 PM CST
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PrintUZR, the proprietary play-by-play defensive evaluation system developed by Mitchel Lichtman, is now being made available on FanGraphs.
I don't think there is a perfect defensive evaluation system out there, but I do think that triangulating with +/-, UZR, and PMR gives you a good handle on how good a defender a player was in a given season.
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No Jump Throws = Bogus Stat
"Colt mccoy sucks, mack brown needs to be fired." - Longhorn
by LSBUser on Dec 7, 2008 12:38 PM CST reply actions
That site
just gets better and better. They’ve had some great posts on defense lately, good reads.
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what abotu RZR?
from the hardball times?
""If they'd have told me you can make the team but you've got to shine the shoes, I'd have been there shining shoes." -Bradley
so that kind of confuses me about the site
we should take both of those into consideration when evaluating a player’s defense right?
it’s just difficult to figure out hwo those two numbers should be taken together since one is a percentage and the other is just a counting stat. every ball you should have gotten in your zone but didn’t should be offset by every ball you made a play on outside of your zone. however, just becasue you made a play outside of your zone doesn’t mean someone else wouldn’t have made that play in the zone you intruded on (but, just watching games, it is rarely the case that you catch a ball out of your zone that someone else who occupies that zone was going to catch).
all a little confusing but seems like THT could come up with some weighted combination of the two stats
""If they'd have told me you can make the team but you've got to shine the shoes, I'd have been there shining shoes." -Bradley
There is a way to weight and combine them.
I’ve read it places, and used it before, but don’t know it off the top of my head.
But that is the way they should be presented. The plays and opportunities of RZR are presented in counting form, but by the nature of OOZ a rate stat wouldn’t really work.
marlon byrd
pretty good in his short time in CF. confirmed by a number of stats.
however, wasn’t so good in limited in action in 2007
""If they'd have told me you can make the team but you've got to shine the shoes, I'd have been there shining shoes." -Bradley
Better than Hamilton.
meet me at the mawwl... it's goin dowwn...
by oc on Dec 7, 2008 4:06 PM CST up reply actions
not saying much
""If they'd have told me you can make the team but you've got to shine the shoes, I'd have been there shining shoes." -Bradley
I remember at one point in the year saying Hamilton wasn't a good centerfielder. . .
. . . and getting freakin’ attacked.
Did you say it
right after one of his spectacular plays? I really think he’ll be better, though, with another year of playing fulltime. After that long layoff you don’t just waltz back into the game with everything intact.
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I said it once in the discussion about the Volquez trade mid-season.
People were touting Hamilton’s defense as another part of why we came out ahead in that trade. And I said he doesn’t add anything on defense, and got absolutely crushed for DARING to say that. And his spectacular plays were mostly used as support, ignoring the entire body of work (and that spectacular looking plays are often misleading).
I do, and did, agree that I can see him getting better, though. I think he could be at worst an average right fielder going forward and think he maybe even has the range to be a plus centerfielder. I also think he got better as the season went along.
But he was not a plus fielder in 2008 at any point. I just find it funny (and annoying) that it was blasphemy to suggest he wasn’t having a good year in the field at one point and now suddenly it’s generally accepted that he didn’t.
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