| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 3.8 | 201308200_ATL_NYN |
| Pittsburgh Pirates | PIT | 1.73 | 201308210_PIT_SDN |
| Texas Rangers | TEX | 1.49 | 201308210_HOU_TEX |
| St. Louis Cardinals | SLN | 1.24 | 201308190_SLN_MIL |
| Oakland Athletics | OAK | 0.83 | 201308190_SEA_OAK |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -12.47 | 201308200_HOU_TEX |
| LA Angels of Anaheim | ANA | -4.14 | 201308190_CLE_ANA |
| Seattle Mariners | SEA | -3.1 | 201308190_SEA_OAK |
| Chicago Cubs | CHN | -0.85 | 201308190_WAS_CHN |
| Colorado Rockies | COL | -0.81 | 201308190_COL_PHI |
Based on accumulated WAA for this season up to 2013-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 3.92 | Mark Melancon | 58.3 | PIT |
| +045+ | 3.45 | Koji Uehara | 56.7 | BOS |
| +050+ | 3.38 | Craig Kimbrel | 51.3 | ATL |
| +058+ | 3.11 | Luis Avilan | 53 | ATL |
| +062+ | 3.04 | Rex Brothers | 53.7 | COL |
| +073+ | 2.83 | Drew Smyly | 67 | DET |
| +074+ | 2.83 | Justin Wilson | 65 | PIT |
| +075+ | 2.82 | Kenley Jansen | 63.7 | LAN |
| +078+ | 2.79 | Greg Holland | 49 | KCA |
| +079+ | 2.78 | Joe Nathan | 51.7 | TEX |
| +080+ | 2.77 | Edward Mujica | 56 | SLN |
| +081+ | 2.72 | Joaquin Benoit | 51.7 | DET |
| +082+ | 2.69 | David Robertson | 52.7 | NYA |
| +085+ | 2.63 | Tanner Scheppers | 57 | TEX |
| +087+ | 2.59 | Alexander Torres | 42.3 | TBA |
| +093+ | 2.5 | Neal Cotts | 41.7 | TEX |
| +100+ | 2.4 | Tyler Clippard | 56.3 | WAS |
| +103+ | 2.35 | Luke Hochevar | 51 | KCA |
| +104+ | 2.33 | Jim Henderson | 46.3 | MIL |
| +106+ | 2.31 | Grant Balfour | 49 | OAK |
| +108+ | 2.29 | David Carpenter | 48.7 | ATL |
| +109+ | 2.28 | Ryan Cook | 55.7 | OAK |
| +112+ | 2.18 | Caleb Thielbar | 31 | MIN |
| +115+ | 2.16 | Cody Allen | 56 | CLE |
| +119+ | 2.11 | Seth Maness | 48.7 | SLN |
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