1. Uzr

As of now, UZR is the most reliable fielding statistic, or so I believe. Because it is based on a plus/minus system, is the entire league UZR supposed to equal zero?

2. Originally Posted by Tyrus4189Cobb
As of now, UZR is the most reliable fielding statistic, or so I believe. Because it is based on a plus/minus system, is the entire league UZR supposed to equal zero?
It's relative to each position in the league, yes. But I don't think if you, say, add up all the shortstop UZRs that you'd get zero. I don't think it works like that.

3. Originally Posted by SamtheBravesFan
But I don't think if you, say, add up all the shortstop UZRs that you'd get zero. I don't think it works like that.
That's odd. Isn't it based on the total runs you prevented/allowed over the average?

4. Originally Posted by Tyrus4189Cobb
That's odd. Isn't it based on the total runs you prevented/allowed over the average?
Honestly, I'm not sure. The way I read the explanation, it sounded like what I said. Try reading Fangraphs' explanation of it:

http://www.fangraphs.com/blogs/index...hs-uzr-primer/

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Originally Posted by SamtheBravesFan
Honestly, I'm not sure. The way I read the explanation, it sounded like what I said. Try reading Fangraphs' explanation of it:

http://www.fangraphs.com/blogs/index...hs-uzr-primer/
I'm not sure why it wouldn't 'work that way'. Unless there's some reason to believe otherwise, I would assume that runs above average should add up to zero. In fact, if you add up all the UZR runs from every SS in 2011 you get -.1, which is about as close as you can get to zero with all the rounding going on. When you sum up all fielders you get -.2.
Last edited by JDanger; 05-15-2012 at 10:59 AM.

6. Originally Posted by JDanger
I'm not sure why it wouldn't 'work that way'. Unless there's some reason to believe otherwise, I would assume that runs above average should add up to zero. In fact, if you add up all the UZR runs from every SS in 2011 you get -.1, which is about as close as you can get to zero with all the rounding going on. When you sum up all fielders you get -.2.
You're right, I suppose that's close enough.

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