| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | 3.64 | 201309100_PIT_TEX |
| Atlanta Braves | ATL | 3.23 | 201309080_ATL_PHI |
| Pittsburgh Pirates | PIT | 3.02 | 201309100_PIT_TEX |
| Toronto Blue Jays | TOR | 1.56 | 201309080_TOR_MIN |
| St. Louis Cardinals | SLN | 1.52 | 201309100_MIL_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -10.96 | 201309090_HOU_SEA |
| Chicago Cubs | CHN | -2.72 | 201309100_CHN_CIN |
| LA Angels of Anaheim | ANA | -2.41 | 201309080_TEX_ANA |
| Seattle Mariners | SEA | -2.41 | 201309080_TBA_SEA |
| Colorado Rockies | COL | -0.82 | 201309100_COL_SFN |
Based on accumulated WAA for this season up to 2013-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +030+ | 4.28 | Koji Uehara | 65.7 | BOS |
| +032+ | 4.15 | Craig Kimbrel | 59.7 | ATL |
| +036+ | 4.08 | Mark Melancon | 64.3 | PIT |
| +057+ | 3.48 | Greg Holland | 59 | KCA |
| +062+ | 3.28 | Luke Hochevar | 63.7 | KCA |
| +064+ | 3.26 | Kenley Jansen | 70.7 | LAN |
| +065+ | 3.19 | Luis Avilan | 60.7 | ATL |
| +067+ | 3.16 | Joe Nathan | 55.7 | TEX |
| +070+ | 3.07 | Rex Brothers | 60.7 | COL |
| +072+ | 3.05 | Tanner Scheppers | 63.7 | TEX |
| +075+ | 3.01 | Neal Cotts | 47 | TEX |
| +086+ | 2.7 | Justin Wilson | 70 | PIT |
| +088+ | 2.68 | Alexander Torres | 50 | TBA |
| +092+ | 2.56 | Tyler Clippard | 65 | WAS |
| +096+ | 2.54 | Trevor Rosenthal | 67.3 | SLN |
| +093+ | 2.54 | Drew Smyly | 70 | DET |
| +098+ | 2.51 | Kevin Siegrist | 32.3 | SLN |
| +099+ | 2.5 | David Carpenter | 57.7 | ATL |
| +101+ | 2.48 | Ryan Cook | 62 | OAK |
| +106+ | 2.44 | Aaron Loup | 66.3 | TOR |
| +109+ | 2.35 | Edward Mujica | 60.7 | SLN |
| +110+ | 2.35 | Craig Breslow | 53.7 | BOS |
| +111+ | 2.33 | Joaquin Benoit | 56 | DET |
| +119+ | 2.23 | Mariano Rivera | 56.7 | NYA |
| +121+ | 2.21 | Brad Ziegler | 65.7 | ARI |
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