| Team | Tm | Tier | Game |
|---|---|---|---|
| Tampa Bay Rays | TBA | 4.59 | 201209020_TBA_TOR |
| Cincinnati Reds | CIN | 3.12 | 201209030_PHI_CIN |
| Texas Rangers | TEX | 2.29 | 201209030_TEX_KCA |
| Washington Nationals | WAS | 2.01 | 201209010_SLN_WAS |
| Oakland Athletics | OAK | 1.84 | 201209020_BOS_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Milwaukee Brewers | MIL | -5.65 | 201209010_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 2012-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +022+ | 4.76 | Fernando Rodney | 62.3 | TBA |
| +035+ | 4.21 | Aroldis Chapman | 65 | CIN |
| +064+ | 3.18 | Robbie Ross | 60.7 | TEX |
| +068+ | 3.12 | Craig Kimbrel | 49 | ATL |
| +076+ | 2.92 | Pedro Strop | 59 | BAL |
| +079+ | 2.82 | Vinnie Pestano | 58.7 | CLE |
| +086+ | 2.66 | Josh Roenicke | 81 | COL |
| +088+ | 2.65 | Craig Stammen | 76.7 | WAS |
| +091+ | 2.63 | Kelvin Herrera | 70.7 | KCA |
| +090+ | 2.63 | Mitchell Boggs | 62 | SLN |
| +089+ | 2.63 | Rafael Soriano | 54.7 | NYA |
| +098+ | 2.54 | Darren Oliver | 47.3 | TOR |
| +103+ | 2.42 | Ernesto Frieri | 54.3 | TOT |
| +106+ | 2.36 | David Robertson | 47.3 | NYA |
| +109+ | 2.34 | David Hernandez | 60 | ARI |
| +112+ | 2.28 | Jared Burton | 50.7 | MIN |
| +114+ | 2.26 | Luke Gregerson | 61.7 | SDN |
| +115+ | 2.25 | Wade Davis | 58 | TBA |
| +119+ | 2.21 | Jason Grilli | 50 | PIT |
| +120+ | 2.2 | Casey Janssen | 52.7 | TOR |
| +125+ | 2.17 | Wilton Lopez | 53.7 | HOU |
| +130+ | 2.14 | Ryan Cook | 57.3 | OAK |
| +129+ | 2.14 | Brayan Villarreal | 47 | DET |
| +132+ | 2.12 | Tom Wilhelmsen | 65.3 | SEA |
| +134+ | 2.1 | Darren O'Day | 54.7 | BAL |
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