| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 2.62 | 201308310_MIA_ATL |
| Pittsburgh Pirates | PIT | 2.45 | 201308310_SLN_PIT |
| Texas Rangers | TEX | 1.96 | 201309010_MIN_TEX |
| Kansas City Royals | KCA | 1.3 | 201309010_KCA_TOR |
| St. Louis Cardinals | SLN | 1.06 | 201309010_SLN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -14.17 | 201308300_SEA_HOU |
| Seattle Mariners | SEA | -2.48 | 201308300_SEA_HOU |
| Los Angeles Dodgers | LAN | -1.36 | 201308310_SDN_LAN |
| LA Angels of Anaheim | ANA | -1.15 | 201308300_ANA_MIL |
| Chicago Cubs | CHN | -1.02 | 201308300_PHI_CHN |
Based on accumulated WAA for this season up to 2013-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +025+ | 4.1 | Mark Melancon | 60.3 | PIT |
| +041+ | 3.87 | Koji Uehara | 61.3 | BOS |
| +043+ | 3.85 | Craig Kimbrel | 56.7 | ATL |
| +063+ | 3.19 | Rex Brothers | 57.7 | COL |
| +065+ | 3.17 | Kenley Jansen | 67.7 | LAN |
| +067+ | 3.14 | Greg Holland | 53 | KCA |
| +069+ | 3.08 | David Robertson | 57 | NYA |
| +070+ | 3.07 | Luis Avilan | 57.3 | ATL |
| +073+ | 2.95 | Joe Nathan | 53.7 | TEX |
| +076+ | 2.89 | Alexander Torres | 48 | TBA |
| +078+ | 2.85 | Luke Hochevar | 59 | KCA |
| +081+ | 2.8 | Neal Cotts | 45 | TEX |
| +083+ | 2.77 | Edward Mujica | 58.3 | SLN |
| +084+ | 2.74 | Tanner Scheppers | 60.7 | TEX |
| +085+ | 2.74 | Tyler Clippard | 60.3 | WAS |
| +091+ | 2.62 | Drew Smyly | 69 | DET |
| +097+ | 2.48 | Justin Wilson | 68 | PIT |
| +096+ | 2.48 | Aaron Loup | 64.7 | TOR |
| +101+ | 2.42 | Ryan Cook | 59.3 | OAK |
| +111+ | 2.3 | Paco Rodriguez | 48.7 | LAN |
| +113+ | 2.26 | Seth Maness | 52.7 | SLN |
| +117+ | 2.23 | David Carpenter | 52.7 | ATL |
| +118+ | 2.21 | Kevin Siegrist | 29 | SLN |
| +119+ | 2.2 | Joaquin Benoit | 55 | DET |
| +122+ | 2.18 | Vin Mazzaro | 64.7 | PIT |
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