| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | 8.81 | 200905200_TOR_BOS |
| Oakland Athletics | OAK | 1.73 | 200905190_OAK_TBA |
| New York Mets | NYN | 1.34 | 200905200_NYN_LAN |
| Chicago White Sox | CHA | 1.21 | 200905180_CHA_TOR |
| Toronto Blue Jays | TOR | 1.13 | 200905180_CHA_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Nationals | WAS | -4.6 | 200905200_PIT_WAS |
| Seattle Mariners | SEA | -3.69 | 200905190_ANA_SEA |
| Texas Rangers | TEX | -3.47 | 200905200_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 2009-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 1.95 | Andrew Bailey | 25.3 | OAK |
| +037+ | 1.79 | Ramon Ramirez | 21 | BOS |
| +038+ | 1.79 | Heath Bell | 17 | SDN |
| +043+ | 1.75 | Ramon Troncoso | 26.7 | LAN |
| +044+ | 1.73 | Lance Cormier | 30 | TBA |
| +051+ | 1.64 | Francisco Rodriguez | 19.7 | NYN |
| +054+ | 1.61 | Brian Stokes | 17.3 | NYN |
| +057+ | 1.59 | Mark DiFelice | 19 | MIL |
| +059+ | 1.58 | Manny Delcarmen | 19 | BOS |
| +060+ | 1.57 | Jonathan Broxton | 21 | LAN |
| +067+ | 1.47 | Jonathan Papelbon | 18 | BOS |
| +074+ | 1.43 | David Aardsma | 19.7 | SEA |
| +078+ | 1.38 | Tony Pena | 19.3 | ARI |
| +079+ | 1.37 | Renyel Pinto | 19.3 | MIA |
| +080+ | 1.35 | Juan Cruz | 18.7 | KCA |
| +083+ | 1.34 | Jason Frasor | 15 | TOR |
| +086+ | 1.32 | Darren Oliver | 18.3 | ANA |
| +089+ | 1.26 | Octavio Dotel | 13.7 | CHA |
| +090+ | 1.26 | Rafael Soriano | 18 | ATL |
| XXXXX | 1.23 | Arthur Rhodes | 14 | CIN |
| XXXXX | 1.2 | Ryan Franklin | 17.3 | SLN |
| XXXXX | 1.2 | Chris Sampson | 25.3 | HOU |
| XXXXX | 1.16 | Scott Downs | 19.3 | TOR |
| XXXXX | 1.16 | Trevor Hoffman | 11 | MIL |
| XXXXX | 1.15 | Michael Wuertz | 21.7 | OAK |
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