| Team | Tm | Tier | Game |
|---|---|---|---|
| Boston Red Sox | BOS | 10.32 | 200905140_BOS_ANA |
| Oakland Athletics | OAK | 2.89 | 200905120_KCA_OAK |
| New York Mets | NYN | 1.16 | 200905140_NYN_SFN |
| Toronto Blue Jays | TOR | 1.11 | 200905140_NYA_TOR |
| Chicago White Sox | CHA | 0.66 | 200905120_CHA_CLE |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Nationals | WAS | -5.23 | 200905130_WAS_SFN |
| Seattle Mariners | SEA | -4.02 | 200905120_SEA_TEX |
| Texas Rangers | TEX | -3.56 | 200905130_SEA_TEX |
| Kansas City Royals | KCA | -1.48 | 200905140_BAL_KCA |
| New York Yankees | NYA | -1.33 | 200905120_NYA_TOR |
Based on accumulated WAA for this season up to 2009-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +030+ | 1.9 | Ramon Ramirez | 20 | BOS |
| +041+ | 1.63 | Andrew Bailey | 22.3 | OAK |
| +052+ | 1.49 | Chris Sampson | 22 | HOU |
| +053+ | 1.46 | Mark DiFelice | 17.7 | MIL |
| +057+ | 1.44 | Francisco Rodriguez | 17.7 | NYN |
| +055+ | 1.44 | Manny Delcarmen | 17.7 | BOS |
| +061+ | 1.38 | Lance Cormier | 26.3 | TBA |
| +064+ | 1.37 | Brian Stokes | 15 | NYN |
| +063+ | 1.37 | Heath Bell | 12.7 | SDN |
| +068+ | 1.35 | Ramon Troncoso | 22.7 | LAN |
| +076+ | 1.3 | Jamey Wright | 20 | KCA |
| +079+ | 1.27 | Jonathan Papelbon | 16 | BOS |
| +080+ | 1.26 | Michael Wuertz | 18.7 | OAK |
| XXXXX | 1.24 | Ryan Franklin | 15.7 | SLN |
| XXXXX | 1.23 | Renyel Pinto | 15.7 | MIA |
| XXXXX | 1.23 | Tony Pena | 15.7 | ARI |
| XXXXX | 1.23 | Kiko Calero | 17.7 | MIA |
| XXXXX | 1.22 | Octavio Dotel | 11.3 | CHA |
| XXXXX | 1.2 | Jason Frasor | 13.7 | TOR |
| XXXXX | 1.18 | Arthur Rhodes | 11.3 | CIN |
| XXXXX | 1.17 | Jonathan Broxton | 17 | LAN |
| XXXXX | 1.17 | Rafael Soriano | 17 | ATL |
| XXXXX | 1.13 | Darren Oliver | 14.7 | ANA |
| XXXXX | 1.12 | David Aardsma | 16.7 | SEA |
| XXXXX | 1.11 | Nick Masset | 14.7 | CIN |
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