| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 9 | 200909240_LAN_WAS |
| Oakland Athletics | OAK | 1.69 | 200909260_OAK_ANA |
| Boston Red Sox | BOS | 1.33 | 200909240_BOS_KCA |
| San Diego Padres | SDN | 1.28 | 200909260_SDN_ARI |
| Atlanta Braves | ATL | 1.01 | 200909250_ATL_WAS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | -3.7 | 200909240_CIN_PIT |
| Cleveland Indians | CLE | -2.49 | 200909250_BAL_CLE |
| Arizona Diamondbacks | ARI | -2.1 | 200909260_SDN_ARI |
| Baltimore Orioles | BAL | -1.84 | 200909250_BAL_CLE |
| Seattle Mariners | SEA | -1.58 | 200909250_SEA_TOR |
Based on accumulated WAA for this season up to 2009-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 5.13 | Clayton Kershaw | 161 | LAN |
| +047+ | 4.79 | Andrew Bailey | 81.3 | OAK |
| +060+ | 3.9 | George Sherrill | 66 | TOT |
| +066+ | 3.63 | Jonathan Papelbon | 65 | BOS |
| +067+ | 3.62 | David Aardsma | 67.7 | SEA |
| +068+ | 3.61 | Mariano Rivera | 63.3 | NYA |
| +074+ | 3.51 | Ronald Belisario | 67.7 | LAN |
| +073+ | 3.51 | Matt Guerrier | 72.3 | MIN |
| +075+ | 3.49 | Jeremy Affeldt | 57.7 | SFN |
| +080+ | 3.35 | Darren O'Day | 56 | TOT |
| +083+ | 3.32 | Ryan Franklin | 60 | SLN |
| +088+ | 3.26 | Jonathan Broxton | 73.7 | LAN |
| +090+ | 3.23 | Brandon Lyon | 73.3 | DET |
| +091+ | 3.21 | Kiko Calero | 57 | MIA |
| +092+ | 3.2 | Joe Nathan | 63 | MIN |
| +094+ | 3.18 | Francisco Cordero | 65.7 | CIN |
| +097+ | 3.14 | Jose Mijares | 60.3 | MIN |
| +098+ | 3.07 | Trevor Hoffman | 51 | MIL |
| +100+ | 3.01 | Nick Masset | 72.3 | CIN |
| +101+ | 2.97 | LaTroy Hawkins | 60.3 | HOU |
| +104+ | 2.94 | Mike Gonzalez | 71.3 | ATL |
| +103+ | 2.94 | Brian Sanches | 54.3 | MIA |
| +105+ | 2.9 | Ramon Troncoso | 80.7 | LAN |
| +109+ | 2.76 | Matt Thornton | 69 | CHA |
| +111+ | 2.68 | Mike Adams | 33 | SDN |
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