Data courtesy ESPN.com. Ratings current through 1 November 2010 (2462 games).
| Rk | Team | Div. | Z-Rating | BSWP | nDWP | Record | Pct | Ratio | SOS | Rk | ||||
| 1 | Tampa Bay Rays | AE | 150.56 | .6027 | .6095 | 98-69 | .587 | 1.420 | 106.01 | 6 | ||||
| 2 | New York Yankees | AE | 149.59 | .6011 | .6079 | 100-71 | .585 | 1.408 | 106.21 | 5 | ||||
| 3 | Philadelphia Phillies | NE | 145.59 | .5945 | .5930 | 102-69 | .596 | 1.478 | 98.485 | 20 | ||||
| 4 | San Francisco Giants | NW | 136.12 | .5778 | .5763 | 103-74 | .582 | 1.392 | 97.794 | 22 | ||||
| 5 | Minnesota Twins | AC | 133.23 | .5725 | .5692 | 94-71 | .570 | 1.324 | 100.63 | 13 | ||||
| 6 | Boston Red Sox | AE | 132.55 | .5712 | .5792 | 89-73 | .549 | 1.219 | 108.72 | 4 | ||||
| 7 | Texas Rangers | AW | 124.84 | .5562 | .5527 | 98-80 | .551 | 1.225 | 101.91 | 12 | ||||
| 8 | Toronto Blue Jays | AE | 122.86 | .5522 | .5608 | 85-77 | .525 | 1.104 | 111.30 | 2 | ||||
| 9 | Atlanta Braves | NE | 120.78 | .5479 | .5480 | 92-74 | .554 | 1.243 | 97.149 | 23 | ||||
| 10 | San Diego Padres | NW | 119.03 | .5442 | .5438 | 90-72 | .556 | 1.250 | 95.222 | 25 | ||||
| 11 | Chicago White Sox | AC | 117.25 | .5404 | .5382 | 88-74 | .543 | 1.189 | 98.595 | 19 | ||||
| 12 | Cincinnati Reds | NC | 109.66 | .5234 | .5114 | 91-74 | .552 | 1.230 | 89.174 | 30 | ||||
| 13 | Colorado Rockies | NW | 102.85 | .5071 | .5081 | 83-79 | .512 | 1.051 | 97.892 | 21 | ||||
| 14 | Oakland Athletics | AW | 102.79 | .5070 | .5052 | 81-81 | .500 | 1.000 | 102.79 | 10 | ||||
| 15 | St. Louis Cardinals | NC | 102.65 | .5067 | .4951 | 86-76 | .531 | 1.132 | 90.717 | 29 | ||||
| 16 | Detroit Tigers | AC | 100.39 | .5010 | .5001 | 81-81 | .500 | 1.000 | 100.39 | 14 | ||||
| 17 | LA Angels of Anaheim | AW | 100.02 | .5001 | .4985 | 80-82 | .494 | 0.976 | 102.52 | 11 | ||||
| 18 | Florida Marlins | NE | 97.486 | .4935 | .4955 | 80-82 | .494 | 0.976 | 99.923 | 15 | ||||
| 19 | Los Angeles Dodgers | NW | 96.915 | .4920 | .4935 | 80-82 | .494 | 0.976 | 99.338 | 18 | ||||
| 20 | New York Mets | NE | 94.624 | .4860 | .4882 | 79-83 | .488 | 0.952 | 99.415 | 16 | ||||
| 21 | Milwaukee Brewers | NC | 83.622 | .4546 | .4449 | 77-85 | .475 | 0.906 | 92.311 | 28 | ||||
| 22 | Houston Astros | NC | 83.225 | .4534 | .4437 | 76-86 | .469 | 0.884 | 94.176 | 26 | ||||
| 23 | Chicago Cubs | NC | 80.217 | .4442 | .4348 | 75-87 | .463 | 0.862 | 93.052 | 27 | ||||
| 24 | Cleveland Indians | AC | 78.558 | .4389 | .4402 | 69-93 | .426 | 0.742 | 105.88 | 8 | ||||
| 25 | Baltimore Orioles | AE | 78.254 | .4379 | .4502 | 66-96 | .407 | 0.688 | 113.82 | 1 | ||||
| 26 | Kansas City Royals | AC | 74.698 | .4263 | .4280 | 67-95 | .414 | 0.705 | 105.91 | 7 | ||||
| 27 | Washington Nationals | NE | 73.725 | .4231 | .4274 | 69-93 | .426 | 0.742 | 99.368 | 17 | ||||
| 28 | Arizona Diamondbacks | NW | 69.413 | .4081 | .4124 | 65-97 | .401 | 0.670 | 103.59 | 9 | ||||
| 29 | Seattle Mariners | AW | 65.701 | .3947 | .3967 | 61-101 | .377 | 0.604 | 108.78 | 3 | ||||
| 30 | Pittsburgh Pirates | NC | 52.468 | .3412 | .3361 | 57-105 | .352 | 0.543 | 96.652 | 24 |
| Division | BSWP | Tms | Top Team | |
| 1 | American League East (AE) | .5615 | 5 | Tampa Bay Rays (1) |
| 2 | National League East (NE) | .5104 | 5 | Philadelphia Phillies (3) |
| 3 | National League West (NW) | .5068 | 5 | San Francisco Giants (4) |
| 4 | American League Central (AC) | .4952 | 5 | Minnesota Twins (5) |
| 5 | American League West (AW) | .4883 | 4 | Texas Rangers (7) |
| 6 | National League Central (NC) | .4443 | 6 | Cincinnati Reds (12) |