| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 4.59 | 201209020_TBA_TOR |
| Cincinnati Reds | CIN | 2.88 | 201208310_CIN_HOU |
| Texas Rangers | TEX | 2.5 | 201208310_TEX_CLE |
| Washington Nationals | WAS | 2.1 | 201208310_SLN_WAS |
| Oakland Athletics | OAK | 1.84 | 201209020_BOS_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Milwaukee Brewers | MIL | -5.77 | 201208310_PIT_MIL |
| Houston Astros | HOU | -2.86 | 201209010_CIN_HOU |
| New York Mets | NYN | -2.82 | 201209010_NYN_MIA |
| Boston Red Sox | BOS | -2.44 | 201209010_BOS_OAK |
| Chicago White Sox | CHA | -1.63 | 201209010_CHA_DET |
Based on accumulated WAA for this season up to 2012-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +023+ | 4.67 | Fernando Rodney | 61.3 | TBA |
| +035+ | 4.22 | Aroldis Chapman | 65 | CIN |
| +063+ | 3.19 | Robbie Ross | 60.7 | TEX |
| +066+ | 3.13 | Craig Kimbrel | 49 | ATL |
| +070+ | 3.02 | Mitchell Boggs | 61.7 | SLN |
| +078+ | 2.83 | Pedro Strop | 58 | BAL |
| +082+ | 2.73 | Vinnie Pestano | 57.7 | CLE |
| +088+ | 2.68 | David Hernandez | 59 | ARI |
| +091+ | 2.66 | Craig Stammen | 76.7 | WAS |
| +092+ | 2.64 | Kelvin Herrera | 70.7 | KCA |
| +093+ | 2.63 | Rafael Soriano | 54.7 | NYA |
| +098+ | 2.55 | Darren Oliver | 47.3 | TOR |
| +099+ | 2.48 | David Robertson | 46.3 | NYA |
| +100+ | 2.48 | Josh Roenicke | 79 | COL |
| +104+ | 2.42 | Ernesto Frieri | 54.3 | TOT |
| +108+ | 2.36 | Luke Gregerson | 60.3 | SDN |
| +114+ | 2.28 | Jared Burton | 50.7 | MIN |
| +115+ | 2.26 | Wade Davis | 58 | TBA |
| +121+ | 2.22 | Jason Grilli | 50 | PIT |
| +122+ | 2.21 | Casey Janssen | 52.7 | TOR |
| +124+ | 2.18 | Wilton Lopez | 53.7 | HOU |
| +128+ | 2.15 | Ryan Cook | 57.3 | OAK |
| +131+ | 2.1 | Darren O'Day | 54.7 | BAL |
| +133+ | 2.09 | Brad Ziegler | 55 | ARI |
| +135+ | 2.07 | Eric O'Flaherty | 46.7 | ATL |
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