| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | 8.43 | 200905170_BOS_SEA |
| Oakland Athletics | OAK | 2.69 | 200905170_OAK_DET |
| New York Mets | NYN | 1.29 | 200905190_NYN_LAN |
| Chicago White Sox | CHA | 1.28 | 200905170_CHA_TOR |
| Toronto Blue Jays | TOR | 1.13 | 200905180_CHA_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Nationals | WAS | -4.64 | 200905170_PHI_WAS |
| Seattle Mariners | SEA | -3.69 | 200905190_ANA_SEA |
| Texas Rangers | TEX | -2.94 | 200905190_TEX_DET |
| Colorado Rockies | COL | -1.51 | 200905190_COL_ATL |
| Baltimore Orioles | BAL | -1.4 | 200905190_BAL_NYA |
Based on accumulated WAA for this season up to 2009-05-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +032+ | 1.95 | Andrew Bailey | 25.3 | OAK |
| +041+ | 1.79 | Ramon Ramirez | 21 | BOS |
| +047+ | 1.68 | Heath Bell | 16 | SDN |
| +049+ | 1.64 | Francisco Rodriguez | 19.7 | NYN |
| +050+ | 1.63 | Lance Cormier | 29 | TBA |
| +053+ | 1.61 | Brian Stokes | 17.3 | NYN |
| +054+ | 1.59 | Mark DiFelice | 19 | MIL |
| +061+ | 1.54 | Ramon Troncoso | 24.7 | LAN |
| +059+ | 1.54 | Manny Delcarmen | 18.7 | BOS |
| +067+ | 1.47 | Jonathan Broxton | 20 | LAN |
| +066+ | 1.47 | Jonathan Papelbon | 18 | BOS |
| +068+ | 1.46 | Jamey Wright | 21.7 | KCA |
| +073+ | 1.43 | Renyel Pinto | 17.7 | MIA |
| +078+ | 1.35 | Juan Cruz | 18.7 | KCA |
| +079+ | 1.34 | Jason Frasor | 15 | TOR |
| +083+ | 1.32 | David Aardsma | 18.7 | SEA |
| +085+ | 1.32 | Darren Oliver | 18.3 | ANA |
| +086+ | 1.31 | Chris Sampson | 24.3 | HOU |
| +087+ | 1.3 | Ryan Franklin | 16.3 | SLN |
| +088+ | 1.3 | Tony Pena | 18.3 | ARI |
| +092+ | 1.26 | Rafael Soriano | 18 | ATL |
| +093+ | 1.26 | Michael Wuertz | 20.7 | OAK |
| +094+ | 1.25 | Danys Baez | 21.3 | BAL |
| XXXXX | 1.23 | Octavio Dotel | 13.3 | CHA |
| XXXXX | 1.16 | Scott Downs | 19.3 | TOR |
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