| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | 10.32 | 200905140_BOS_ANA |
| Oakland Athletics | OAK | 3.6 | 200905150_OAK_DET |
| New York Mets | NYN | 1.16 | 200905140_NYN_SFN |
| Toronto Blue Jays | TOR | 1.11 | 200905140_NYA_TOR |
| Chicago White Sox | CHA | 0.78 | 200905160_CHA_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Seattle Mariners | SEA | -4.55 | 200905150_BOS_SEA |
| Washington Nationals | WAS | -4.42 | 200905161_PHI_WAS |
| Texas Rangers | TEX | -2.44 | 200905160_ANA_TEX |
| Baltimore Orioles | BAL | -1.71 | 200905150_BAL_KCA |
| Kansas City Royals | KCA | -1.54 | 200905150_BAL_KCA |
Based on accumulated WAA for this season up to 2009-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 1.94 | Ramon Ramirez | 20.3 | BOS |
| +043+ | 1.67 | Lance Cormier | 29 | TBA |
| +044+ | 1.65 | Andrew Bailey | 22.3 | OAK |
| +048+ | 1.59 | Heath Bell | 15 | SDN |
| +050+ | 1.57 | Chris Sampson | 22.7 | HOU |
| +053+ | 1.54 | Francisco Rodriguez | 18.7 | NYN |
| +056+ | 1.53 | Mark DiFelice | 18.3 | MIL |
| +061+ | 1.48 | Jamey Wright | 21.7 | KCA |
| +062+ | 1.47 | Brian Stokes | 16 | NYN |
| +064+ | 1.45 | Manny Delcarmen | 17.7 | BOS |
| +069+ | 1.38 | Jonathan Papelbon | 17 | BOS |
| +070+ | 1.37 | Renyel Pinto | 17 | MIA |
| +071+ | 1.36 | Ramon Troncoso | 22.7 | LAN |
| +074+ | 1.34 | Octavio Dotel | 12.3 | CHA |
| +076+ | 1.32 | Darren Oliver | 16.3 | ANA |
| +081+ | 1.28 | Jonathan Broxton | 18 | LAN |
| +082+ | 1.26 | Danys Baez | 21.3 | BAL |
| XXXXX | 1.24 | Ryan Franklin | 15.7 | SLN |
| XXXXX | 1.23 | David Aardsma | 17.7 | SEA |
| XXXXX | 1.21 | Jason Frasor | 13.7 | TOR |
| XXXXX | 1.2 | Tony Pena | 17.3 | ARI |
| XXXXX | 1.17 | Rafael Soriano | 17 | ATL |
| XXXXX | 1.17 | Michael Wuertz | 19.7 | OAK |
| XXXXX | 1.15 | Juan Cruz | 16.7 | KCA |
| XXXXX | 1.13 | Dan Meyer | 16.7 | MIA |
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