| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 4.52 | 201209150_CIN_MIA |
| Tampa Bay Rays | TBA | 3.78 | 201209140_TBA_NYA |
| Washington Nationals | WAS | 2.55 | 201209150_WAS_ATL |
| Atlanta Braves | ATL | 1.36 | 201209150_WAS_ATL |
| San Francisco Giants | SFN | 1.04 | 201209150_SFN_ARI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | -7.29 | 201209140_BAL_OAK |
| Milwaukee Brewers | MIL | -2.68 | 201209150_NYN_MIL |
| New York Mets | NYN | -2.38 | 201209150_NYN_MIL |
| Houston Astros | HOU | -2.07 | 201209150_PHI_HOU |
| Colorado Rockies | COL | -1.65 | 201209140_COL_SDN |
Based on accumulated WAA for this season up to 2012-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 5.24 | Fernando Rodney | 68 | TBA |
| +049+ | 3.8 | Aroldis Chapman | 67.7 | CIN |
| +053+ | 3.71 | Craig Kimbrel | 55.3 | ATL |
| +077+ | 2.88 | Craig Stammen | 81.7 | WAS |
| +079+ | 2.83 | Kelvin Herrera | 77.7 | KCA |
| +080+ | 2.83 | Luke Gregerson | 68 | SDN |
| +088+ | 2.71 | Rafael Soriano | 60 | NYA |
| +093+ | 2.66 | Darren Oliver | 51 | TOR |
| +096+ | 2.63 | Wilton Lopez | 58.7 | HOU |
| +102+ | 2.56 | Mitchell Boggs | 66 | SLN |
| +105+ | 2.52 | Tom Wilhelmsen | 69.7 | SEA |
| +104+ | 2.52 | Eric O'Flaherty | 51.7 | ATL |
| +106+ | 2.51 | Pedro Strop | 61.7 | BAL |
| +111+ | 2.41 | Wade Davis | 62.3 | TBA |
| +113+ | 2.4 | Jared Burton | 54.3 | MIN |
| +112+ | 2.4 | Ronald Belisario | 61.7 | LAN |
| +114+ | 2.39 | David Hernandez | 63 | ARI |
| +116+ | 2.38 | Brad Ziegler | 60.7 | ARI |
| +115+ | 2.38 | Ernesto Frieri | 58.7 | TOT |
| +118+ | 2.34 | Jake McGee | 48 | TBA |
| +121+ | 2.31 | Sergio Romo | 49.7 | SFN |
| +120+ | 2.31 | Glen Perkins | 62.3 | MIN |
| +123+ | 2.3 | Darren O'Day | 59.3 | BAL |
| +125+ | 2.26 | Jonathan Papelbon | 62.7 | PHI |
| +129+ | 2.21 | Ryan Cook | 62.7 | OAK |
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