| MLB Park Factors - Through May 18, 2013 | |||||||
| RK | PARK NAME | RUNS | HR | H | 2B | 3B | BB |
| 1 | Wrigley Field (Chicago, Illinois) | 1.490 | 1.022 | 1.299 | 1.551 | 1.101 | 1.200 |
| 2 | Citizens Bank Park (Philadelphia, Pennsylvania) | 1.354 | 1.391 | 1.083 | 1.114 | 2.100 | 0.986 |
| 3 | Miller Park (Milwaukee, Wisconsin) | 1.270 | 2.028 | 1.208 | 0.896 | 1.524 | 0.902 |
| 4 | Comerica Park (Detroit, Michigan) | 1.258 | 1.185 | 1.036 | 1.200 | 1.050 | 1.066 |
| 5 | Angel Stadium of Anaheim (Anaheim, California) | 1.128 | 0.808 | 1.119 | 1.114 | 0.818 | 1.036 |
| 6 | Oriole Park at Camden Yards (Baltimore, Maryland) | 1.118 | 1.163 | 0.988 | 0.901 | 2.018 | 1.237 |
| 7 | Coors Field (Denver, Colorado) | 1.117 | 0.960 | 1.027 | 0.931 | 2.095 | 0.932 |
| 8 | Minute Maid Park (Houston, Texas) | 1.092 | 1.583 | 1.005 | 0.807 | 1.313 | 0.996 |
| 9 | Target Field (Minneapolis, Minnesota) | 1.086 | 0.762 | 1.097 | 1.197 | 0.536 | 0.931 |
| 10 | Great American Ball Park (Cincinnati, Ohio) | 1.065 | 1.572 | 1.028 | 0.968 | 0.955 | 1.053 |
| 11 | Rogers Centre (Toronto, Ontario) | 1.053 | 1.310 | 1.023 | 1.208 | 0.571 | 1.026 |
| 12 | O.co Coliseum (Oakland, California) | 1.020 | 0.938 | 1.011 | 1.182 | 1.833 | 1.054 |
| 13 | Fenway Park (Boston, Massachusetts) | 1.004 | 0.929 | 0.944 | 1.273 | 1.304 | 0.854 |
| 14 | Kauffman Stadium (Kansas City, Missouri) | 0.986 | 0.875 | 1.013 | 0.986 | 2.000 | 0.847 |
| 15 | Rangers Ballpark in Arlington (Arlington, Texas) | 0.966 | 1.222 | 0.957 | 0.750 | 0.810 | 1.345 |
| 16 | Chase Field (Phoenix, Arizona) | 0.946 | 0.711 | 0.995 | 1.073 | 0.870 | 1.222 |
| 17 | Yankee Stadium (New York, NY) | 0.927 | 0.976 | 1.083 | 0.993 | 1.056 | 1.050 |
| 18 | Safeco Field (Seattle, Washington) | 0.915 | 0.742 | 1.056 | 0.944 | 0.920 | 0.900 |
| 19 | Turner Field (Atlanta, Georgia) | 0.912 | 1.055 | 0.880 | 0.742 | 0.650 | 0.827 |
| 20 | Progressive Field (Cleveland, Ohio) | 0.908 | 1.108 | 0.972 | 0.845 | 0.595 | 0.840 |
| 21 | Busch Stadium (St. Louis, Missouri) | 0.906 | 1.143 | 0.886 | 0.890 | 0.429 | 0.966 |
| 22 | Nationals Park (Washington, D.C.) | 0.897 | 0.675 | 1.008 | 1.098 | 0.898 | 0.967 |
| 23 | U.S. Cellular Field (Chicago, Illinois) | 0.895 | 0.969 | 0.846 | 0.760 | 0.605 | 1.202 |
| 24 | Tropicana Field (St. Petersburg, Florida) | 0.887 | 0.808 | 0.889 | 0.909 | 0.649 | 0.983 |
| 25 | Petco Park (San Diego, California) | 0.886 | 0.955 | 0.946 | 0.784 | 1.500 | 1.066 |
| 26 | Dodger Stadium (Los Angeles, California) | 0.885 | 0.953 | 0.956 | 0.925 | 0.283 | 0.714 |
| 27 | Marlins Park (Miami, FL) | 0.871 | 0.873 | 1.042 | 1.097 | 0.898 | 0.812 |
| 28 | PNC Park (Pittsburgh, Pennsylvania) | 0.809 | 0.609 | 0.904 | 1.184 | 0.696 | 0.963 |
| 29 | AT&T Park (San Francisco, California) | 0.783 | 0.670 | 0.930 | 1.004 | 2.386 | 1.086 |
| 30 | Citi Field (New York, NY) | 0.773 | 0.950 | 0.820 | 0.756 | 0.517 | 1.096 |