SI Vault
Phil Taylor
May 02, 2011
In their first nine seasons, the Rockies' home ERA was a lofty 6.07. But since '02, when they began using a humidor at Coors Field to make balls behave more like they do at sea level, Ubaldo Jimenez and the team's other pitchers have had that mark in free fall.
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May 02, 2011

Rocky Mountain Low

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4.25 2010

3.91 2011

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