| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 3.76 | 201209010_TBA_TOR |
| Cincinnati Reds | CIN | 2.88 | 201208310_CIN_HOU |
| Texas Rangers | TEX | 2.5 | 201208310_TEX_CLE |
| Washington Nationals | WAS | 2.11 | 201208300_SLN_WAS |
| Oakland Athletics | OAK | 1.82 | 201209010_BOS_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Milwaukee Brewers | MIL | -5.77 | 201208310_PIT_MIL |
| New York Mets | NYN | -3.05 | 201208300_NYN_PHI |
| Houston Astros | HOU | -2.86 | 201209010_CIN_HOU |
| Boston Red Sox | BOS | -2.44 | 201209010_BOS_OAK |
| Chicago Cubs | CHN | -2.1 | 201208300_MIL_CHN |
Based on accumulated WAA for this season up to 2012-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.66 | Fernando Rodney | 61.3 | TBA |
| +036+ | 4.11 | Aroldis Chapman | 64 | CIN |
| +062+ | 3.18 | Robbie Ross | 60.7 | TEX |
| +067+ | 3.12 | Craig Kimbrel | 49 | ATL |
| +070+ | 3.01 | Mitchell Boggs | 61.7 | SLN |
| +077+ | 2.82 | Pedro Strop | 58 | BAL |
| +084+ | 2.72 | Vinnie Pestano | 57.7 | CLE |
| +090+ | 2.64 | Craig Stammen | 76.7 | WAS |
| +091+ | 2.63 | Rafael Soriano | 54.7 | NYA |
| +092+ | 2.62 | Kelvin Herrera | 70.7 | KCA |
| +096+ | 2.57 | David Hernandez | 58 | ARI |
| +099+ | 2.54 | Darren Oliver | 47.3 | TOR |
| +100+ | 2.47 | David Robertson | 46.3 | NYA |
| +102+ | 2.46 | Josh Roenicke | 79 | COL |
| +105+ | 2.41 | Ernesto Frieri | 54.3 | TOT |
| +111+ | 2.35 | Luke Gregerson | 60.3 | SDN |
| +112+ | 2.32 | Wilton Lopez | 53 | HOU |
| +115+ | 2.29 | Sean Burnett | 50 | WAS |
| +117+ | 2.27 | Jared Burton | 50.7 | MIN |
| +120+ | 2.25 | Wade Davis | 58 | TBA |
| +123+ | 2.21 | Jason Grilli | 50 | PIT |
| +124+ | 2.2 | Casey Janssen | 52.7 | TOR |
| +126+ | 2.14 | Tom Wilhelmsen | 63.3 | SEA |
| +135+ | 2.06 | Eric O'Flaherty | 46.7 | ATL |
| +138+ | 2.05 | Ryan Cook | 56.3 | OAK |
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