| MLB Park Factors - Through May 20, 2012 | |||||||
| RK | PARK NAME | RUNS | HR | H | 2B | 3B | BB |
| 1 | Coors Field (Denver, Colorado) | 1.660 | 1.478 | 1.367 | 1.085 | 1.755 | 1.206 |
| 2 | Busch Stadium (St. Louis, Missouri) | 1.375 | 1.166 | 1.179 | 1.104 | 1.694 | 1.099 |
| 3 | Marlins Park (Miami, FL) | 1.360 | 0.911 | 1.228 | 1.048 | 1.758 | 1.338 |
| 4 | Rogers Centre (Toronto, Ontario) | 1.333 | 1.342 | 1.056 | 1.331 | 1.515 | 0.897 |
| 5 | Miller Park (Milwaukee, Wisconsin) | 1.260 | 1.587 | 1.196 | 1.571 | 1.587 | 0.938 |
| 6 | Kauffman Stadium (Kansas City, Missouri) | 1.239 | 1.387 | 1.180 | 1.145 | 1.403 | 1.028 |
| 7 | Chase Field (Phoenix, Arizona) | 1.204 | 1.757 | 1.075 | 1.298 | 0.770 | 0.710 |
| 8 | U.S. Cellular Field (Chicago, Illinois) | 1.189 | 1.108 | 1.011 | 1.116 | 1.412 | 1.229 |
| 9 | Fenway Park (Boston, Massachusetts) | 1.170 | 1.241 | 1.119 | 1.547 | 0.350 | 1.295 |
| 10 | Turner Field (Atlanta, Georgia) | 1.150 | 0.824 | 1.073 | 1.471 | 0.735 | 0.832 |
| 11 | Nationals Park (Washington, D.C.) | 1.138 | 1.101 | 1.125 | 1.140 | 2.152 | 0.826 |
| 12 | Great American Ball Park (Cincinnati, Ohio) | 1.100 | 1.585 | 1.010 | 0.851 | 1.353 | 0.951 |
| 13 | Comerica Park (Detroit, Michigan) | 1.048 | 1.096 | 1.078 | 0.884 | 1.118 | 0.879 |
| 14 | Oriole Park at Camden Yards (Baltimore, Maryland) | 1.022 | 1.096 | 0.924 | 0.901 | 0.429 | 1.041 |
| 15 | Target Field (Minneapolis, Minnesota) | 1.007 | 0.849 | 1.140 | 1.238 | 1.890 | 1.025 |
| 16 | Minute Maid Park (Houston, Texas) | 0.968 | 1.148 | 0.907 | 0.770 | 0.470 | 1.114 |
| 17 | Citizens Bank Park (Philadelphia, Pennsylvania) | 0.943 | 1.273 | 0.979 | 1.042 | 0.417 | 1.010 |
| 18 | O.co Coliseum (Oakland, California) | 0.937 | 1.019 | 0.998 | 1.011 | 4.237 | 1.100 |
| 19 | Yankee Stadium (New York, NY) | 0.907 | 1.128 | 0.957 | 0.685 | 0.370 | 0.832 |
| 20 | Dodger Stadium (Los Angeles, California) | 0.881 | 0.861 | 1.041 | 0.714 | 0.704 | 0.805 |
| 21 | Rangers Ballpark in Arlington (Arlington, Texas) | 0.839 | 0.811 | 0.926 | 1.008 | 0.963 | 0.787 |
| 22 | Wrigley Field (Chicago, Illinois) | 0.813 | 0.944 | 0.865 | 0.877 | 0.850 | 1.079 |
| 23 | Angel Stadium of Anaheim (Anaheim, California) | 0.811 | 0.762 | 0.952 | 1.016 | 0.375 | 0.671 |
| Safeco Field (Seattle, Washington) | 0.811 | 0.501 | 0.783 | 0.865 | 0.509 | 1.202 | |
| 25 | Petco Park (San Diego, California) | 0.809 | 0.500 | 0.876 | 0.680 | 5.000 | 1.184 |
| Petco Park (San Diego, California) | 0.809 | 0.500 | 0.876 | 0.680 | 5.000 | 1.184 | |
| 27 | Progressive Field (Cleveland, Ohio) | 0.791 | 0.714 | 0.881 | 0.680 | 0.293 | 0.950 |
| 28 | AT&T Park (San Francisco, California) | 0.704 | 0.457 | 0.859 | 0.806 | 0.942 | 0.892 |
| AT&T Park (San Francisco, California) | 0.704 | 0.457 | 0.859 | 0.806 | 0.942 | 0.892 | |
| 30 | PNC Park (Pittsburgh, Pennsylvania) | 0.702 | 0.926 | 0.862 | 1.033 | 0.393 | 0.917 |