| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | 4.36 | 201205290_SEA_TEX |
| San Francisco Giants | SFN | 4.32 | 201205300_ARI_SFN |
| LA Angels of Anaheim | ANA | 1.83 | 201205290_NYA_ANA |
| Atlanta Braves | ATL | 1.76 | 201205290_SLN_ATL |
| Baltimore Orioles | BAL | 1 | 201205300_BAL_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Minnesota Twins | MIN | -3.84 | 201205300_OAK_MIN |
| Chicago Cubs | CHN | -3.49 | 201205290_SDN_CHN |
| New York Mets | NYN | -2.72 | 201205300_PHI_NYN |
| Toronto Blue Jays | TOR | -1.32 | 201205300_BAL_TOR |
| Colorado Rockies | COL | -1.29 | 201205300_HOU_COL |
Based on accumulated WAA for this season up to 2012-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +021+ | 2.4 | Aroldis Chapman | 26 | CIN |
| +048+ | 1.83 | Scott Atchison | 29.3 | BOS |
| +050+ | 1.77 | Ryan Cook | 24 | OAK |
| +052+ | 1.75 | Brad Lincoln | 25.3 | PIT |
| +058+ | 1.68 | Fernando Rodney | 25 | TBA |
| +065+ | 1.57 | Ernesto Frieri | 23.7 | TOT |
| +068+ | 1.52 | Pedro Strop | 26.7 | BAL |
| +070+ | 1.49 | Robbie Ross | 27.7 | TEX |
| +072+ | 1.48 | Santiago Casilla | 23 | SFN |
| +074+ | 1.47 | Jim Johnson | 21.3 | BAL |
| +075+ | 1.46 | Scott Downs | 18 | ANA |
| +078+ | 1.45 | Craig Stammen | 27.3 | WAS |
| +087+ | 1.38 | Steve Cishek | 22 | MIA |
| +092+ | 1.34 | Nate Jones | 26 | CHA |
| +094+ | 1.34 | James Russell | 23.3 | CHN |
| +093+ | 1.34 | Sean Burnett | 14.7 | WAS |
| +095+ | 1.32 | Craig Breslow | 25.3 | ARI |
| +099+ | 1.31 | Wilton Lopez | 27.7 | HOU |
| +104+ | 1.28 | Josh Roenicke | 29.3 | COL |
| +106+ | 1.25 | Randy Choate | 16 | MIA |
| XXXXX | 1.22 | Darren O'Day | 25.7 | BAL |
| XXXXX | 1.2 | Wade Davis | 24.3 | TBA |
| XXXXX | 1.14 | Sergio Romo | 14.7 | SFN |
| XXXXX | 1.13 | Luis Ayala | 24.7 | BAL |
| XXXXX | 1.13 | David Hernandez | 23.3 | ARI |
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