Park Factor - Through Thursday, July 2, 2009
Glossary
Park Factor compares the rate of stats at home vs. the rate of stats on the road.
A rate higher than 1.000 favors the hitter. Below 1.000 favors the pitcher.
PF = ((homeRS + homeRA)/(homeG)) / ((roadRS + roadRA)/(roadG))
* Teams with home games in multiple stadiums list aggregate Park Factors.
Years: 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009
Park Factor compares the rate of stats at home vs. the rate of stats on the road.
A rate higher than 1.000 favors the hitter. Below 1.000 favors the pitcher.
PF = ((homeRS + homeRA)/(homeG)) / ((roadRS + roadRA)/(roadG))
* Teams with home games in multiple stadiums list aggregate Park Factors.
Years: 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009
| Park Factor - Through Thursday, July 2, 2009 | |||||||
| Rk | Park Name | Runs | HR | H | 2B | 3B | BB |
| 1 | Coors Field (Denver, Colorado) | 1.331 | 1.067 | 1.194 | 1.192 | 2.108 | 1.032 |
| 2 | Chase Field (Phoenix, Arizona) | 1.327 | 1.498 | 1.113 | 1.435 | 1.256 | 0.984 |
| 3 | Hubert H. Humphrey Metrodome (Minneapolis, Minnesota) | 1.248 | 1.113 | 1.114 | 1.162 | 1.434 | 0.903 |
| 4 | Kauffman Stadium (Kansas City, Missouri) | 1.227 | 0.890 | 1.145 | 1.164 | 2.238 | 1.138 |
| 5 | Land Shark Stadium (Miami, Florida) | 1.172 | 1.088 | 1.131 | 1.052 | 0.688 | 1.105 |
| 6 | Wrigley Field (Chicago, Illinois) | 1.142 | 1.077 | 1.027 | 0.994 | 0.669 | 1.000 |
| 7 | Yankee Stadium (New York, NY) | 1.134 | 1.531 | 1.091 | 0.817 | 0.491 | 1.059 |
| 8 | Rangers Ballpark in Arlington (Arlington, Texas) | 1.110 | 1.051 | 1.097 | 1.183 | 1.500 | 1.089 |
| 9 | Comerica Park (Detroit, Michigan) | 1.104 | 0.941 | 0.988 | 1.065 | 1.756 | 1.164 |
| 10 | Great American Ball Park (Cincinnati, Ohio) | 1.084 | 1.151 | 1.053 | 1.089 | 1.441 | 1.108 |
| Rk | Park Name | Runs | HR | H | 2B | 3B | BB |
| 11 | AT&T Park (San Francisco, California) | 1.057 | 0.841 | 1.049 | 1.056 | 1.615 | 0.862 |
| 12 | Tropicana Field (St. Petersburg, Florida) | 1.046 | 0.898 | 0.970 | 0.944 | 1.051 | 0.987 |
| 13 | Citizens Bank Park (Philadelphia, Pennsylvania) | 1.022 | 1.099 | 1.017 | 1.054 | 1.074 | 1.180 |
| 14 | Fenway Park (Boston, Massachusetts) | 1.002 | 0.935 | 0.968 | 1.260 | 0.867 | 0.930 |
| 15 | Oriole Park at Camden Yards (Baltimore, Maryland) | 0.990 | 1.135 | 1.107 | 0.900 | 0.734 | 0.983 |
| 16 | Angel Stadium of Anaheim (Anaheim, California) | 0.969 | 1.153 | 1.011 | 0.926 | 0.696 | 0.977 |
| 17 | Rogers Centre (Toronto, Ontario) | 0.937 | 1.111 | 0.870 | 0.909 | 0.789 | 0.906 |
| 18 | PNC Park (Pittsburgh, Pennsylvania) | 0.932 | 0.870 | 1.002 | 0.931 | 0.738 | 0.932 |
| 19 | Nationals Park (Washington, D.C.) | 0.930 | 0.824 | 0.920 | 1.051 | 0.877 | 0.984 |
| 20 | Oakland Coliseum (Oakland, California) | 0.928 | 0.860 | 0.969 | 1.158 | 0.833 | 0.814 |
| Rk | Park Name | Runs | HR | H | 2B | 3B | BB |
| 21 | Busch Stadium (St. Louis, Missouri) | 0.919 | 0.819 | 0.933 | 1.023 | 0.729 | 1.017 |
| 22 | Safeco Field (Seattle, Washington) | 0.915 | 0.942 | 1.011 | 0.843 | 1.750 | 1.172 |
| 23 | Turner Field (Atlanta, Georgia) | 0.891 | 0.759 | 0.955 | 0.748 | 2.057 | 1.013 |
| 24 | Minute Maid Park (Houston, Texas) | 0.890 | 1.108 | 0.994 | 0.783 | 1.154 | 1.041 |
| 25 | U.S. Cellular Field (Chicago, Illinois) | 0.873 | 1.095 | 0.849 | 0.793 | 0.325 | 1.142 |
| 26 | Progressive Field (Cleveland, Ohio) | 0.860 | 0.744 | 0.945 | 0.939 | 0.581 | 0.942 |
| 27 | Citi Field (New York, NY) | 0.850 | 1.033 | 0.897 | 0.841 | 1.308 | 0.890 |
| 28 | Dodger Stadium (Los Angeles, California) | 0.828 | 0.927 | 1.000 | 0.982 | 0.417 | 0.795 |
| 29 | Miller Park (Milwaukee, Wisconsin) | 0.827 | 0.955 | 0.886 | 1.209 | 0.743 | 0.978 |
| 30 | Petco Park (San Diego, California) | 0.764 | 0.682 | 0.812 | 0.822 | 0.581 | 1.162 |
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