Personal Park Effects
Jeremy Greenhouse at TBA has an excellent, comprehensive break down of home run effects in the various MLB ballparks in one, awesome post.
It looks at how the parks effect specific types of hitters and in what ways, rather than a sweeping generalization of the number of home runs hit in a park. As he says, "My idea is that not all park effects are uniform. For example, I believe that Mike Lowell and Dustin Pedroia are largely aided by the Green Monster, to a greater extent than most hitters and Johnny Damon's home run production has been largely influenced by the short porch in Yankee Stadium's right field."
There is no baseline established (at least in part 1), and doesn't appear to me to be adjusted for the hitters who hit those home runs (something I assume can skew the data), but it is none the less interesting and eye-opening. I feel like the study of more specific effects like this are the future of park adjustments; an area of data analysis that I think is good but can always use improvement.
Some of the parks have some seriously fascinating effects. I wish I was good enough at taking in numbers at first glance to stop my head from spinning and spout off more observations.
Any thoughts?
7 months ago
philkid3
4 comments
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I did a FanShot that was related to this a couple of months ago
I took Adrian Gonzolez’s fly ball outs in PetCo, and mapped them out onto Phillie’s park. Ignoring other factors (wind, humidity, etc.), he could have hit at least 12 more homers if he played his home games in Philly. That is obviously way more than generic PF’s give him credit for.
St. Louis Cardinals... defying win expectancy since 2008
by vivaelpujols on Apr 22, 2009 12:14 AM EDT reply actions 0 recs
This is only tangentially related...
but we need to make sure we have a purpose in mind when coming up with park factors. Yes, someone like Wade Boggs might have gotten extra help from Fenway, but that extra help resulted in the Red Sox winning more games. So from many value perspectives, you don’t care, you only care about the change in run environment caused by a ballpark. If you wanted to see how Boggs would have done in a neutral park, then yes, you’d want a more specific park factor analysis. Of course, Boggs would have hit many fewer flyballs to left field if he wasn’t playing in Fenway.
Beyond the Boxscore // Calling BJ Upton lazy is lazy.
by Sky Kalkman on Apr 22, 2009 9:29 AM EDT reply actions 0 recs
We were, but it should be cleared up now.
If you notice anything else, send it in to support@sbnation.com with details.
Beyond the Boxscore // Calling BJ Upton lazy is lazy.
by Sky Kalkman on Apr 22, 2009 11:07 AM EDT up reply actions 0 recs









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