| Team | Tm | Tier | Game |
|---|---|---|---|
| Los Angeles Dodgers | LAN | 9.46 | 200909220_LAN_WAS |
| Oakland Athletics | OAK | 1.57 | 200909240_TEX_OAK |
| Boston Red Sox | BOS | 1.33 | 200909240_BOS_KCA |
| Texas Rangers | TEX | 1.12 | 200909220_TEX_OAK |
| San Diego Padres | SDN | 0.94 | 200909220_SDN_COL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -4.22 | 200909220_BAL_TOR |
| Arizona Diamondbacks | ARI | -3.97 | 200909230_SFN_ARI |
| Pittsburgh Pirates | PIT | -3.7 | 200909240_CIN_PIT |
| Cleveland Indians | CLE | -2.56 | 200909220_DET_CLE |
| Washington Nationals | WAS | -1.36 | 200909220_LAN_WAS |
Based on accumulated WAA for this season up to 2009-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +032+ | 5.1 | Clayton Kershaw | 161 | LAN |
| +048+ | 4.58 | Andrew Bailey | 79.3 | OAK |
| +061+ | 3.85 | George Sherrill | 65.7 | TOT |
| +063+ | 3.61 | Jonathan Papelbon | 65 | BOS |
| +065+ | 3.61 | David Aardsma | 67.7 | SEA |
| +068+ | 3.51 | Mariano Rivera | 62.3 | NYA |
| +070+ | 3.48 | Jeremy Affeldt | 57.7 | SFN |
| +071+ | 3.46 | Ronald Belisario | 67.3 | LAN |
| +073+ | 3.4 | Matt Guerrier | 71.3 | MIN |
| +083+ | 3.25 | Darren O'Day | 55 | TOT |
| +085+ | 3.21 | Ryan Franklin | 59 | SLN |
| +086+ | 3.2 | Kiko Calero | 57 | MIA |
| +087+ | 3.2 | Joe Nathan | 63 | MIN |
| +089+ | 3.17 | Francisco Cordero | 65.7 | CIN |
| +092+ | 3.14 | Jonathan Broxton | 72.7 | LAN |
| +094+ | 3.1 | Jose Mijares | 60 | MIN |
| +097+ | 3.02 | Brandon Lyon | 71.3 | DET |
| +100+ | 2.96 | LaTroy Hawkins | 60.3 | HOU |
| +102+ | 2.9 | Nick Masset | 71.3 | CIN |
| +103+ | 2.87 | Trevor Hoffman | 49 | MIL |
| +104+ | 2.85 | Darren Oliver | 68 | ANA |
| +107+ | 2.83 | Mike Gonzalez | 70.3 | ATL |
| +110+ | 2.81 | Ramon Troncoso | 80 | LAN |
| +114+ | 2.67 | Mike Adams | 33 | SDN |
| +118+ | 2.65 | Jose Valverde | 51 | HOU |
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