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Regression's A Powerful Force

No new ideas presented here. I just remember that, back when I was first learning about regression, one of the things that stuck with me was seeing how the top batting averages in the league in Year X looked in Year X+1, so here's a similar concept with a different, more contemporary statistic. What you see below are the top 20 players in WAR in 2008 and how they then did in 2009. Accompanying them is an old friend.

Laird_medium

Please try to keep this in mind if you notice that Franklin Gutierrez is having a tough time repeating as a superstar.

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Comments

Ha, oh the Mets....
And yet... Pujols.

Our Lord! Our Savior! He has returned to guide us to the promised land!

He plays for the Cardinals.
And even he is overachieving a little bit
I would like him better had he done dick the last month of the season
If going to LL 2.1 means front page giant Gerald Lairds then I don't want to go back
Joe Mauer says fuck you to your point.

Gutierrez is going to pull off the 1/20.

Technically Youkilis got better too but that was insignificant
Wow, Rios was replacement level this year.
And Chicago picked up his massive contract...
Regression works the other way, too.
At nearly $50 million owed, they better hope he does more than regress towards his mean
Yeah, I didn't mean it was a good contract. But it's not likely he'll be replacement level again.
David Wright's regression came despite a .400 BABIP
David Wright missed a ton of playing time
Turns out I'm an idiot and thought he got beaned in the head much earlier in the season

your point stands

Which isn't that high for him

He had hidden leg injuries all year that killed his UZR and power.

I'm not exactly sure what you mean

He’s never had above a .400 BABIP for a season.

I get what you're saying but .400 is quite high compared to his career averages

You’re likely correct about the injuries causing his sudden and dramatic drop-off in power, though.

OK, now I've got a better idea what you meant

You’re right that a .400 BABIP isn’t really sky-high for him considering his usual high BABIP, but it is still something we should expect to regress back down next year. The other interesting thing is that his road ISO this year was only 8 points higher than his home ISO, so Citi Field didn’t really even contribute to the power loss.

It's 60 points above his previous career average.
It wasn't a mathematical argument that his avg wasn't going to regress

just a little context for non-Mets fans that David Wright tends to have above-average BABIPs

60 points above your career average is high.
You're high.
I should have realized that I was arguing with a Mets fan.

My bad.

We were arguing?

“High” is totally subjective. Yea it’s 60 points above his career average and will probably regress. My point was that his career average was .340, which is above average to start with. Why have a pedantic debate over what is the formal definition of “high” is?

Damn you Jeff.

On the crappy connection here at work, it took that image a second to load. But once it popped up on the screen it made me recoil.

Huh.

Somehow I didn’t even notice what the background was until reading that. I must be tired.

This is fine.

However if it were sideways I wouldn’t be able to stop laughing for a good two minutes.

Why has nobody run with Next Laird? Eyebrows is hampered by his employer, but

we’ve got to be able to make something out of the combination of both photos.

Gutz has many different ways of being a superstar whatever his performance on the field.
His rugged good looks are also a powerful force.

And they can not be regressed….

“Handsome mean he looks at himself;
Rugged mean you look at him.” ~ Simpsons

Now I'm confused as to the definition of regression again.

Regression is not the same as decline due to aging, is it? This is a serious question, not a set up.

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