Data courtesy ESPN.com. Ratings current through 3 October 2010 (2430 games).
| Rk | Team | Div. | Z-Rating | BSWP | nDWP | Record | Pct | Ratio | SOS | Rk | ||||
| 1 | Tampa Bay Rays | AE | 154.77 | .6094 | .6165 | 96-66 | .593 | 1.455 | 106.40 | 7 | ||||
| 2 | New York Yankees | AE | 150.52 | .6026 | .6100 | 95-67 | .586 | 1.418 | 106.16 | 8 | ||||
| 3 | Philadelphia Phillies | NE | 144.20 | .5921 | .5906 | 97-65 | .599 | 1.492 | 96.627 | 20 | ||||
| 4 | Minnesota Twins | AC | 139.37 | .5837 | .5810 | 94-68 | .580 | 1.382 | 100.82 | 13 | ||||
| 5 | Boston Red Sox | AE | 133.53 | .5731 | .5815 | 89-73 | .549 | 1.219 | 109.53 | 4 | ||||
| 6 | Texas Rangers | AW | 124.18 | .5549 | .5516 | 90-72 | .556 | 1.250 | 99.345 | 15 | ||||
| 7 | San Francisco Giants | NW | 124.03 | .5546 | .5523 | 92-70 | .568 | 1.314 | 94.368 | 24 | ||||
| 8 | Toronto Blue Jays | AE | 123.90 | .5543 | .5634 | 85-77 | .525 | 1.104 | 112.23 | 2 | ||||
| 9 | Atlanta Braves | NE | 122.52 | .5515 | .5514 | 91-71 | .562 | 1.282 | 95.594 | 23 | ||||
| 10 | Chicago White Sox | AC | 118.74 | .5436 | .5422 | 88-74 | .543 | 1.189 | 99.853 | 14 | ||||
| 11 | San Diego Padres | NW | 117.21 | .5403 | .5386 | 90-72 | .556 | 1.250 | 93.770 | 25 | ||||
| 12 | Cincinnati Reds | NC | 112.26 | .5294 | .5171 | 91-71 | .562 | 1.282 | 87.584 | 30 | ||||
| 13 | Oakland Athletics | AW | 103.44 | .5086 | .5069 | 81-81 | .500 | 1.000 | 103.44 | 9 | ||||
| 14 | St. Louis Cardinals | NC | 102.10 | .5053 | .4937 | 86-76 | .531 | 1.132 | 90.231 | 29 | ||||
| 15 | Detroit Tigers | AC | 101.64 | .5041 | .5041 | 81-81 | .500 | 1.000 | 101.64 | 12 | ||||
| 16 | Colorado Rockies | NW | 101.35 | .5034 | .5029 | 83-79 | .512 | 1.051 | 96.467 | 21 | ||||
| 17 | LA Angels of Anaheim | AW | 100.82 | .5021 | .5006 | 80-82 | .494 | 0.976 | 103.34 | 10 | ||||
| 18 | Florida Marlins | NE | 96.883 | .4919 | .4939 | 80-82 | .494 | 0.976 | 99.305 | 16 | ||||
| 19 | Los Angeles Dodgers | NW | 95.502 | .4883 | .4884 | 80-82 | .494 | 0.976 | 97.890 | 19 | ||||
| 20 | New York Mets | NE | 94.081 | .4845 | .4867 | 79-83 | .488 | 0.952 | 98.845 | 17 | ||||
| 21 | Milwaukee Brewers | NC | 83.156 | .4532 | .4434 | 77-85 | .475 | 0.906 | 91.795 | 28 | ||||
| 22 | Houston Astros | NC | 82.605 | .4516 | .4418 | 76-86 | .469 | 0.884 | 93.475 | 26 | ||||
| 23 | Chicago Cubs | NC | 79.727 | .4426 | .4332 | 75-87 | .463 | 0.862 | 92.483 | 27 | ||||
| 24 | Cleveland Indians | AC | 79.621 | .4423 | .4444 | 69-93 | .426 | 0.742 | 107.31 | 5 | ||||
| 25 | Baltimore Orioles | AE | 78.905 | .4400 | .4528 | 66-96 | .407 | 0.688 | 114.77 | 1 | ||||
| 26 | Kansas City Royals | AC | 75.659 | .4295 | .4320 | 67-95 | .414 | 0.705 | 107.28 | 6 | ||||
| 27 | Washington Nationals | NE | 73.318 | .4217 | .4260 | 69-93 | .426 | 0.742 | 98.820 | 18 | ||||
| 28 | Arizona Diamondbacks | NW | 68.408 | .4046 | .4075 | 65-97 | .401 | 0.670 | 102.09 | 11 | ||||
| 29 | Seattle Mariners | AW | 66.294 | .3969 | .3990 | 61-101 | .377 | 0.604 | 109.77 | 3 | ||||
| 30 | Pittsburgh Pirates | NC | 52.188 | .3400 | .3349 | 57-105 | .352 | 0.543 | 96.135 | 22 |
| Division | BSWP | Tms | Top Team | |
| 1 | American League East (AE) | .5648 | 5 | Tampa Bay Rays (1) |
| 2 | National League East (NE) | .5097 | 5 | Philadelphia Phillies (3) |
| 3 | American League Central (AC) | .5007 | 5 | Minnesota Twins (4) |
| 4 | National League West (NW) | .4979 | 5 | San Francisco Giants (7) |
| 5 | American League West (AW) | .4895 | 4 | Texas Rangers (6) |
| 6 | National League Central (NC) | .4440 | 6 | Cincinnati Reds (12) |