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Around SBN: Nevin Shapiro Vows To Bring Down Miami

Fangraphs Now Has UZR

Why are you still here? Go there.

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Saw that today. Very cool.

So does MGL sell his data to teams? The most current UZR numbers are usually not available to the public (other than the best-and-worst highlights), so I’m curious why he’s giving his formula to Fangraphs. Maybe he has more in-depth stuff that is still proprietary?

by Teej on Dec 7, 2008 4:36 PM PST reply actions  

UZR + BIS data

= Ichiro as a plus defender

Adopted Giant: Aaron King

Wearing the crown by 2011. Or at least the LOOGY hat

by baetown415 on Dec 7, 2008 6:22 PM PST reply actions  

As a RF back in '04

Ibanez projected to be -130 runs on the year. It was only 18 innings, but boy… they must have been something.

by Bearskin Rugburn on Dec 7, 2008 6:43 PM PST reply actions  

Apparently Rick Ankiel blows at defense

UZR : defense :: flat earth society : geography

by JI on Dec 7, 2008 9:45 PM PST up reply actions  

Are you serious?

Fangraphs’ UZR doesn’t include throwing arms yet. Cardinals fans tell me his range really suffered after the injury. ANKIEL is why you think UZR is crap?

Beyond the Boxscore // Calling BJ Upton lazy is lazy.

by Sky Kalkman on Dec 8, 2008 12:59 PM PST up reply actions  

I've never met a cool person named Brad.

And when I hear the name, all I think about is that douchey fantasy “expert” on Yahoo whose entire area of expertise is name puns.

by Teej on Dec 7, 2008 10:05 PM PST up reply actions  

Only by this measure

PMR thinks he’s a little below-average and he doesn’t show up in the +/- best/worst lists.

by Jeff Sullivan on Dec 7, 2008 10:24 PM PST up reply actions  

RZR should probably go away now

There’s no reason to ever use it again. It’s based on the same dataset as the UZR at FanGraphs, and it’s not nearly as accurate.

by davidcameron on Dec 8, 2008 8:41 AM PST up reply actions  

Accurate?

How does one define accuracy wrt defensive metrics?

by Graham MacAree on Dec 8, 2008 9:44 AM PST up reply actions  

Are player run values fitted to the team defensive value?

If not then you could compare the sum of the player run values to the total team value. Team defense is easier to predict right?

by Edgar for Pres on Dec 8, 2008 10:14 AM PST up reply actions  

Why is team defense easier to predict?

If you’re thinking that team UZR should match team DER, not quite. DER needs to be park-adjusted, for one. For two, maybe the hitters happened to hit a lot of balls that were tough to field.

Beyond the Boxscore // Calling BJ Upton lazy is lazy.

by Sky Kalkman on Dec 8, 2008 1:01 PM PST up reply actions  

Maybe precision is a better word?

My uneducated guess would be that RZR has more variance and less agreement with other defensive metrics like UZR, PMR, and the +/- system, and as such should be disregarded, though I have absolutely no idea if this is the case or not.

by JLC on Dec 8, 2008 12:26 PM PST up reply actions  

bUZR and STATS ZR combo?

sUZR still isn’t public and based on what MGL’s reporting on the correlation of bUZR and sUZR, we need to use a STATS-based metric, too.

Beyond the Boxscore // Calling BJ Upton lazy is lazy.

by Sky Kalkman on Dec 8, 2008 1:03 PM PST up reply actions  

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