| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 4.23 | 201308100_MIA_ATL |
| Pittsburgh Pirates | PIT | 1.76 | 201308100_PIT_COL |
| Texas Rangers | TEX | 1.6 | 201308090_TEX_HOU |
| New York Yankees | NYA | 1.02 | 201308090_DET_NYA |
| Toronto Blue Jays | TOR | 0.79 | 201308090_OAK_TOR |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Seattle Mariners | SEA | -4.77 | 201308090_MIL_SEA |
| Houston Astros | HOU | -4.57 | 201308100_TEX_HOU |
| LA Angels of Anaheim | ANA | -4.08 | 201308090_ANA_CLE |
| Chicago White Sox | CHA | -2.74 | 201308100_MIN_CHA |
| Colorado Rockies | COL | -2.62 | 201308090_PIT_COL |
Based on accumulated WAA for this season up to 2013-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +031+ | 3.83 | Mark Melancon | 54.3 | PIT |
| +047+ | 3.16 | Koji Uehara | 53.3 | BOS |
| +061+ | 2.9 | Tanner Scheppers | 53 | TEX |
| +062+ | 2.87 | Craig Kimbrel | 45.3 | ATL |
| +063+ | 2.84 | Luis Avilan | 47.3 | ATL |
| +067+ | 2.75 | Drew Smyly | 63.7 | DET |
| +071+ | 2.67 | Rex Brothers | 47.3 | COL |
| +075+ | 2.57 | Kenley Jansen | 58.3 | LAN |
| +078+ | 2.54 | Neal Cotts | 37.3 | TEX |
| +076+ | 2.54 | Joe Nathan | 46.7 | TEX |
| +079+ | 2.52 | Joaquin Benoit | 47 | DET |
| +081+ | 2.49 | Alexander Torres | 36.7 | TBA |
| +083+ | 2.48 | Aaron Loup | 57.7 | TOR |
| +082+ | 2.48 | David Robertson | 48 | NYA |
| +085+ | 2.45 | Justin Wilson | 60 | PIT |
| +087+ | 2.43 | Greg Holland | 45 | KCA |
| +091+ | 2.31 | Luke Hochevar | 46 | KCA |
| +096+ | 2.26 | Edward Mujica | 47.7 | SLN |
| +099+ | 2.21 | David Carpenter | 45 | ATL |
| +102+ | 2.18 | Grant Balfour | 45 | OAK |
| +106+ | 2.14 | Brad Ziegler | 52.3 | ARI |
| +107+ | 2.13 | Caleb Thielbar | 30.3 | MIN |
| +109+ | 2.12 | Tyler Clippard | 50.7 | WAS |
| +114+ | 2.08 | J.P. Howell | 48.3 | LAN |
| +116+ | 2.06 | Ryan Cook | 50.7 | OAK |
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