Data courtesy ESPN.com. Ratings current through 28 September 2011 (2429 games).
| Rank | Team | Div. | Z-Rating | BSWP | nDWP | Record | Pct | Ratio | SOS | Rank | ||||
| 1 | Philadelphia Phillies | NE | 164.06 | .6234 | .6231 | 102-60 | .630 | 1.700 | 96.509 | 21 | ||||
| 2 | New York Yankees | AE | 154.72 | .6093 | .6140 | 97-65 | .599 | 1.492 | 103.68 | 9 | ||||
| 3 | Texas Rangers | AW | 145.47 | .5942 | .5923 | 96-66 | .593 | 1.455 | 100.01 | 14 | ||||
| 4 | Detroit Tigers | AC | 135.94 | .5775 | .5710 | 95-67 | .586 | 1.418 | 95.875 | 23 | ||||
| 5 | Milwaukee Brewers | NC | 133.85 | .5736 | .5627 | 96-66 | .593 | 1.455 | 92.021 | 30 | ||||
| 6 | Tampa Bay Rays | AE | 133.42 | .5728 | .5789 | 91-71 | .562 | 1.282 | 104.09 | 7 | ||||
| 7 | Boston Red Sox | AE | 131.25 | .5687 | .5750 | 90-72 | .556 | 1.250 | 105.00 | 6 | ||||
| 8 | Arizona Diamondbacks | NW | 128.32 | .5631 | .5592 | 94-68 | .580 | 1.382 | 92.825 | 29 | ||||
| 9 | Atlanta Braves | NE | 120.10 | .5464 | .5488 | 89-73 | .549 | 1.219 | 98.513 | 19 | ||||
| 10 | St. Louis Cardinals | NC | 116.13 | .5379 | .5280 | 90-72 | .556 | 1.250 | 92.903 | 28 | ||||
| 11 | LA Angels of Anaheim | AW | 115.28 | .5361 | .5362 | 86-76 | .531 | 1.132 | 101.87 | 11 | ||||
| 12 | Toronto Blue Jays | AE | 108.31 | .5203 | .5283 | 81-81 | .500 | 1.000 | 108.31 | 2 | ||||
| 13 | San Francisco Giants | NW | 107.32 | .5179 | .5156 | 86-76 | .531 | 1.132 | 94.840 | 26 | ||||
| 14 | Los Angeles Dodgers | NW | 99.170 | .4979 | .4962 | 82-79 | .509 | 1.038 | 95.542 | 24 | ||||
| 15 | Washington Nationals | NE | 98.098 | .4951 | .4993 | 80-81 | .497 | 0.988 | 99.324 | 17 | ||||
| 16 | Cleveland Indians | AC | 97.935 | .4947 | .4910 | 80-82 | .494 | 0.976 | 100.38 | 13 | ||||
| 17 | Chicago White Sox | AC | 94.651 | .4860 | .4826 | 79-83 | .488 | 0.952 | 99.443 | 16 | ||||
| 18 | New York Mets | NE | 93.773 | .4837 | .4882 | 77-85 | .475 | 0.906 | 103.52 | 10 | ||||
| 19 | Cincinnati Reds | NC | 90.447 | .4745 | .4665 | 79-83 | .488 | 0.952 | 95.027 | 25 | ||||
| 20 | Oakland Athletics | AW | 89.710 | .4724 | .4747 | 74-88 | .457 | 0.841 | 106.68 | 4 | ||||
| 21 | Florida Marlins | NE | 82.996 | .4528 | .4583 | 72-90 | .444 | 0.800 | 103.75 | 8 | ||||
| 22 | Baltimore Orioles | AE | 82.250 | .4505 | .4608 | 69-93 | .426 | 0.742 | 110.86 | 1 | ||||
| 23 | Colorado Rockies | NW | 81.223 | .4473 | .4475 | 73-89 | .451 | 0.820 | 99.026 | 18 | ||||
| 24 | Kansas City Royals | AC | 79.334 | .4414 | .4395 | 71-91 | .438 | 0.780 | 101.68 | 12 | ||||
| 25 | Seattle Mariners | AW | 76.378 | .4319 | .4355 | 67-95 | .414 | 0.705 | 108.30 | 3 | ||||
| 26 | San Diego Padres | NW | 75.902 | .4303 | .4311 | 71-91 | .438 | 0.780 | 97.283 | 20 | ||||
| 27 | Pittsburgh Pirates | NC | 75.614 | .4294 | .4229 | 72-90 | .444 | 0.800 | 94.517 | 27 | ||||
| 28 | Chicago Cubs | NC | 75.151 | .4279 | .4215 | 71-91 | .438 | 0.780 | 96.320 | 22 | ||||
| 29 | Minnesota Twins | AC | 67.431 | .4011 | .4006 | 63-99 | .389 | 0.636 | 105.96 | 5 | ||||
| 30 | Houston Astros | NC | 52.603 | .3419 | .3388 | 56-106 | .346 | 0.528 | 99.571 | 15 |
| Division | BSWP | Tms | Top Team | |
| 1 | American League East (AE) | .5514 | 5 | New York Yankees (2) |
| 2 | National League East (NE) | .5235 | 5 | Philadelphia Phillies (1) |
| 3 | American League West (AW) | .5097 | 4 | Texas Rangers (3) |
| 4 | National League West (NW) | .4899 | 5 | Arizona Diamondbacks (8) |
| 5 | American League Central (AC) | .4770 | 5 | Detroit Tigers (4) |
| 6 | National League Central (NC) | .4567 | 6 | Milwaukee Brewers (5) |