Data courtesy ESPN.com. Ratings current through 30 September 2009 (2367 games).
| Rk | Team | Div. | Z-Rating | BSWP | Record | Pct | Ratio | SOS | Rk | ||||
| 1 | New York Yankees | AE | 189.87 | .6573 | 102-57 | .642 | 1.789 | 106.10 | 9 | ||||
| 2 | LA Angels of Anaheim | AW | 161.74 | .6196 | 93-64 | .592 | 1.453 | 111.31 | 6 | ||||
| 3 | Boston Red Sox | AE | 148.50 | .5989 | 91-67 | .576 | 1.358 | 109.34 | 7 | ||||
| 4 | Los Angeles Dodgers | NW | 136.68 | .5785 | 93-65 | .589 | 1.431 | 95.527 | 20 | ||||
| 5 | Texas Rangers | AW | 129.96 | .5660 | 85-73 | .538 | 1.164 | 111.62 | 5 | ||||
| 6 | Philadelphia Phillies | NE | 124.74 | .5557 | 92-66 | .582 | 1.394 | 89.484 | 27 | ||||
| 7 | Colorado Rockies | NW | 123.42 | .5531 | 89-68 | .567 | 1.309 | 94.300 | 21 | ||||
| 8 | Seattle Mariners | AW | 122.54 | .5513 | 82-75 | .522 | 1.093 | 112.08 | 4 | ||||
| 9 | Detroit Tigers | AC | 120.33 | .5467 | 85-72 | .541 | 1.181 | 101.93 | 14 | ||||
| 10 | Tampa Bay Rays | AE | 117.44 | .5406 | 82-76 | .519 | 1.079 | 108.84 | 8 | ||||
| 11 | St. Louis Cardinals | NC | 114.27 | .5337 | 90-68 | .570 | 1.324 | 86.336 | 30 | ||||
| 12 | San Francisco Giants | NW | 112.69 | .5302 | 85-73 | .538 | 1.164 | 96.779 | 17 | ||||
| 13 | Atlanta Braves | NE | 111.87 | .5284 | 86-71 | .548 | 1.211 | 92.354 | 22 | ||||
| 14 | Minnesota Twins | AC | 111.75 | .5281 | 82-76 | .519 | 1.079 | 103.57 | 12 | ||||
| 15 | Oakland Athletics | AW | 106.71 | .5164 | 75-82 | .478 | 0.915 | 116.67 | 1 | ||||
| 16 | Florida Marlins | NE | 103.18 | .5079 | 84-74 | .532 | 1.135 | 90.892 | 25 | ||||
| 17 | Toronto Blue Jays | AE | 101.92 | .5048 | 75-84 | .472 | 0.893 | 114.16 | 3 | ||||
| 18 | Chicago Cubs | NC | 96.513 | .4910 | 82-76 | .519 | 1.079 | 89.451 | 28 | ||||
| 19 | Chicago White Sox | AC | 95.911 | .4894 | 76-82 | .481 | 0.927 | 103.48 | 13 | ||||
| 20 | San Diego Padres | NW | 85.854 | .4615 | 74-85 | .465 | 0.871 | 98.616 | 16 | ||||
| 21 | Milwaukee Brewers | NC | 85.510 | .4605 | 77-81 | .487 | 0.951 | 89.953 | 26 | ||||
| 22 | Cincinnati Reds | NC | 83.050 | .4531 | 76-81 | .484 | 0.938 | 88.514 | 29 | ||||
| 23 | Houston Astros | NC | 77.881 | .4370 | 72-85 | .459 | 0.847 | 91.942 | 24 | ||||
| 24 | Cleveland Indians | AC | 73.828 | .4238 | 65-93 | .411 | 0.699 | 105.63 | 11 | ||||
| 25 | Arizona Diamondbacks | NW | 73.528 | .4227 | 67-90 | .427 | 0.744 | 98.769 | 15 | ||||
| 26 | Kansas City Royals | AC | 72.154 | .4181 | 64-94 | .405 | 0.681 | 105.98 | 10 | ||||
| 27 | Baltimore Orioles | AE | 70.653 | .4129 | 60-98 | .380 | 0.612 | 115.40 | 2 | ||||
| 28 | New York Mets | NE | 70.565 | .4126 | 67-91 | .424 | 0.736 | 95.842 | 18 | ||||
| 29 | Pittsburgh Pirates | NC | 57.844 | .3646 | 61-97 | .386 | 0.629 | 91.981 | 23 | ||||
| 30 | Washington Nationals | NE | 51.043 | .3356 | 55-103 | .348 | 0.534 | 95.589 | 19 |
| Division | BSWP | Tms | Top Team | |
| 1 | American League West (AW) | .5706 | 4 | LA Angels of Anaheim (2) |
| 2 | American League East (AE) | .5498 | 5 | New York Yankees (1) |
| 3 | National League West (NW) | .5107 | 5 | Los Angeles Dodgers (4) |
| 4 | American League Central (AC) | .4782 | 5 | Detroit Tigers (9) |
| 5 | National League East (NE) | .4629 | 5 | Philadelphia Phillies (6) |
| 6 | National League Central (NC) | .4476 | 6 | St. Louis Cardinals (11) |