| MLB Park Factors - Through May 23, 2013 | |||||||
| RK | PARK NAME | RUNS | HR | H | 2B | 3B | BB |
| 1 | Wrigley Field (Chicago, Illinois) | 1.508 | 1.199 | 1.288 | 1.604 | 0.733 | 1.186 |
| 2 | Fenway Park (Boston, Massachusetts) | 1.072 | 0.960 | 0.993 | 1.354 | 1.667 | 0.888 |
| 3 | Target Field (Minneapolis, Minnesota) | 1.050 | 0.708 | 1.062 | 1.260 | 0.625 | 0.978 |
| 4 | Rogers Centre (Toronto, Ontario) | 1.079 | 1.302 | 1.013 | 1.210 | 0.640 | 1.050 |
| 5 | O.co Coliseum (Oakland, California) | 1.062 | 0.962 | 1.042 | 1.173 | 1.993 | 1.054 |
| 6 | Angel Stadium of Anaheim (Anaheim, California) | 1.118 | 0.739 | 1.102 | 1.138 | 1.131 | 1.082 |
| 7 | PNC Park (Pittsburgh, Pennsylvania) | 0.762 | 0.548 | 0.880 | 1.111 | 0.889 | 0.917 |
| 8 | Comerica Park (Detroit, Michigan) | 1.164 | 1.086 | 1.016 | 1.103 | 1.143 | 1.046 |
| 9 | Marlins Park (Miami, FL) | 0.848 | 0.807 | 1.050 | 1.100 | 1.131 | 0.768 |
| 10 | Citizens Bank Park (Philadelphia, Pennsylvania) | 1.337 | 1.483 | 1.054 | 1.099 | 1.435 | 1.043 |
| 11 | Nationals Park (Washington, D.C.) | 0.881 | 0.690 | 0.979 | 1.045 | 0.825 | 0.935 |
| 12 | Chase Field (Phoenix, Arizona) | 0.992 | 0.817 | 1.015 | 1.033 | 0.783 | 1.302 |
| 13 | AT&T Park (San Francisco, California) | 0.771 | 0.674 | 0.920 | 1.027 | 2.420 | 1.093 |
| 14 | Dodger Stadium (Los Angeles, California) | 0.906 | 1.034 | 0.967 | 1.018 | 0.250 | 0.733 |
| 15 | Kauffman Stadium (Kansas City, Missouri) | 0.996 | 0.973 | 0.997 | 1.011 | 1.974 | 0.814 |
| 16 | Coors Field (Denver, Colorado) | 1.051 | 0.843 | 1.012 | 0.956 | 2.112 | 0.880 |
| Great American Ball Park (Cincinnati, Ohio) | 1.097 | 1.552 | 1.040 | 0.956 | 0.994 | 1.052 | |
| 18 | Yankee Stadium (New York, NY) | 0.932 | 0.868 | 1.062 | 0.955 | 1.222 | 1.117 |
| 19 | Tropicana Field (St. Petersburg, Florida) | 0.928 | 0.845 | 0.922 | 0.933 | 0.545 | 0.989 |
| 20 | Busch Stadium (St. Louis, Missouri) | 0.896 | 1.126 | 0.893 | 0.900 | 0.364 | 0.940 |
| 21 | Safeco Field (Seattle, Washington) | 0.869 | 0.750 | 1.026 | 0.891 | 0.675 | 0.884 |
| 22 | Oriole Park at Camden Yards (Baltimore, Maryland) | 1.016 | 1.193 | 0.974 | 0.880 | 2.087 | 1.094 |
| 23 | Rangers Ballpark in Arlington (Arlington, Texas) | 0.983 | 1.182 | 0.973 | 0.875 | 0.663 | 1.333 |
| 24 | Progressive Field (Cleveland, Ohio) | 0.937 | 1.159 | 0.979 | 0.869 | 0.467 | 0.819 |
| 25 | Miller Park (Milwaukee, Wisconsin) | 1.240 | 1.976 | 1.184 | 0.862 | 1.750 | 0.942 |
| 26 | Minute Maid Park (Houston, Texas) | 1.110 | 1.530 | 1.036 | 0.799 | 1.320 | 1.035 |
| 27 | Petco Park (San Diego, California) | 0.940 | 0.935 | 0.988 | 0.795 | 1.890 | 1.050 |
| 28 | Citi Field (New York, NY) | 0.777 | 0.871 | 0.824 | 0.791 | 0.595 | 1.123 |
| 29 | U.S. Cellular Field (Chicago, Illinois) | 0.897 | 0.956 | 0.846 | 0.762 | 0.536 | 1.194 |
| 30 | Turner Field (Atlanta, Georgia) | 0.932 | 1.049 | 0.897 | 0.692 | 0.520 | 0.836 |