anybody have totals splits for ballparks with retractable roofs?

EXTRAPOLATER

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Feb 22, 2001
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I think some ballparks are more renown for the ball sailing well when the roof is closed, but I'm not sure of that.

I did a number of searches for Safeco splits, based on roof status, but came up empty.
Leaning towards the over8 for tonight, but my disdain for Leake might be slightly unwarranted; I don't think I've touched his side at all since that T-shirt nonsense a number of years back.
Roof should be closed in Seattle, based on weather info I've seen.

Might be open at Marlins park--another over lean for me, but Marlins O is brutal and the Pirates are winning with smoke an mirrors lately, imo.
Grim pitching match regardless (Kuhl-Peters). Earlier today the weather suggested rain but I see that's been changed.

I'll try some more searches for splits and post if found.
 

EXTRAPOLATER

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Feb 22, 2001
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I did find an article from 2015 discussing same.
From said:

Retractable roofs (6 teams)

Major League Baseball currently features six organizations (Arizona, Houston, Miami, Milwaukee, Seattle, and Toronto) that own a retractable roof stadium. Here?s a look at how many plate appearances per home run it takes for these clubs when playing outdoors as opposed to when they play indoors:

Arizona Diamondbacks: 44.5 PA/HR outdoors, 41.5 PA/HR indoors
Houston Astros: 33.1 PA/HR outdoors, 23.5 PA/HR indoors
Miami Marlins: 42.2 PA/HR outdoors, 42.5 PA/HR indoors
Milwaukee Brewers: 46.2 PA/HR outdoors, 37.7 PA/HR indoors
Seattle Mariners: 31.7 PA/HR outdoors, 37.9 PA/HR indoors
Toronto Blue Jays: 35.9 PA/HR outdoors, 26.1 PA/HR indoors

Notice anything interesting here? Four of the aforementioned clubs (Arizona, Houston, Milwaukee and Toronto) hit home runs at a much more frequent pace when playing indoors as opposed to outdoors. Miami is pretty much a push while Seattle proves to be the outlier in this situation.

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Another article I saw--focusing on T.O.'s Rogers Centre--gave the impression that HR numbers have fluctuated year-to-year, more HR open or more HR closed, which leaves me with the impression that maybe such splits should be taken with a grain of salt, if available. Ballpark dimensions and weather factors--for outdoors--are probably all I should be looking at.

addeditation:
Here's the Rogers Centre article, for any interested:
http://bluejayhunter.com/2014/02/the-rogers-centre-roof-effec.html
Pretty intense breakdown which concludes, as mentioned, arbitrariness rules.

The humidor stuff--IE's link below--is another bizarre factor.
Coors field is still the best hitter's park in baseball, though I haven't seen any breakdown of what's gone on--totals-wise--since installed there.
New at Chase Field and trying to assess that is beyond me as well.
 
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