| MLB Park Factors - Through April 27, 2013 | |||||||
| RK | PARK NAME | RUNS | HR | H | 2B | 3B | BB |
| 1 | Wrigley Field (Chicago, Illinois) | 1.601 | 0.879 | 1.371 | 2.143 | 2.813 | 1.226 |
| 2 | Comerica Park (Detroit, Michigan) | 1.500 | 1.400 | 1.172 | 1.013 | 1.200 | 1.098 |
| 3 | Citizens Bank Park (Philadelphia, Pennsylvania) | 1.397 | 1.424 | 1.223 | 1.301 | 1.375 | 1.077 |
| 4 | Miller Park (Milwaukee, Wisconsin) | 1.224 | 2.083 | 1.180 | 0.911 | 0.556 | 0.959 |
| 5 | Target Field (Minneapolis, Minnesota) | 1.213 | 0.933 | 1.104 | 1.536 | 0.889 | 0.872 |
| 6 | Angel Stadium of Anaheim (Anaheim, California) | 1.183 | 0.632 | 1.133 | 1.306 | 1.528 | 1.136 |
| 7 | Oriole Park at Camden Yards (Baltimore, Maryland) | 1.160 | 1.077 | 0.985 | 0.923 | 3.000 | 1.426 |
| 8 | Progressive Field (Cleveland, Ohio) | 1.100 | 0.909 | 1.031 | 1.116 | 1.500 | 0.766 |
| 9 | Coors Field (Denver, Colorado) | 1.082 | 0.828 | 1.041 | 1.179 | 3.000 | 0.818 |
| 10 | PNC Park (Pittsburgh, Pennsylvania) | 1.058 | 1.056 | 0.983 | 1.132 | 1.000 | 1.050 |
| 11 | Rangers Ballpark in Arlington (Arlington, Texas) | 1.057 | 1.746 | 0.929 | 0.833 | 0.952 | 1.505 |
| 12 | Chase Field (Phoenix, Arizona) | 1.053 | 0.760 | 0.958 | 0.981 | 0.750 | 1.492 |
| 13 | Petco Park (San Diego, California) | 1.045 | 1.212 | 1.074 | 0.825 | 2.727 | 1.135 |
| 14 | Tropicana Field (St. Petersburg, Florida) | 1.011 | 0.828 | 1.011 | 1.059 | 0.500 | 0.753 |
| 15 | Busch Stadium (St. Louis, Missouri) | 1.004 | 1.458 | 0.938 | 0.938 | 0.000 | 0.948 |
| 16 | Rogers Centre (Toronto, Ontario) | 0.993 | 1.594 | 1.019 | 1.427 | 0.527 | 0.846 |
| 17 | Minute Maid Park (Houston, Texas) | 0.975 | 1.222 | 0.996 | 0.695 | 1.600 | 0.871 |
| 18 | U.S. Cellular Field (Chicago, Illinois) | 0.931 | 1.062 | 0.896 | 0.684 | 1.154 | 1.501 |
| 19 | Turner Field (Atlanta, Georgia) | 0.929 | 1.270 | 0.945 | 0.750 | 0.469 | 0.687 |
| Fenway Park (Boston, Massachusetts) | 0.929 | 0.884 | 0.841 | 1.059 | 0.900 | 1.080 | |
| 21 | Dodger Stadium (Los Angeles, California) | 0.905 | 0.873 | 0.899 | 0.788 | 0.000 | 0.798 |
| 22 | Great American Ball Park (Cincinnati, Ohio) | 0.877 | 1.095 | 1.013 | 1.045 | 1.406 | 0.992 |
| 23 | Safeco Field (Seattle, Washington) | 0.862 | 0.632 | 1.123 | 0.870 | 0.500 | 0.905 |
| AT&T Park (San Francisco, California) | 0.862 | 0.682 | 0.990 | 1.184 | 2.000 | 1.047 | |
| 25 | O.co Coliseum (Oakland, California) | 0.796 | 0.963 | 0.874 | 1.017 | 0.923 | 0.903 |
| 26 | Kauffman Stadium (Kansas City, Missouri) | 0.774 | 0.619 | 0.896 | 0.950 | 1.486 | 0.903 |
| 27 | Yankee Stadium (New York, NY) | 0.768 | 0.886 | 0.971 | 0.789 | 0.733 | 0.917 |
| 28 | Marlins Park (Miami, FL) | 0.753 | 0.938 | 0.908 | 1.079 | 0.600 | 0.690 |
| 29 | Citi Field (New York, NY) | 0.691 | 0.800 | 0.756 | 0.727 | 0.286 | 1.165 |
| 30 | Nationals Park (Washington, D.C.) | 0.667 | 0.600 | 0.857 | 0.616 | 0.600 | 0.953 |