| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 3.35 | 201309070_ATL_PHI |
| Texas Rangers | TEX | 3.22 | 201309080_TEX_ANA |
| Pittsburgh Pirates | PIT | 2.81 | 201309090_PIT_TEX |
| Toronto Blue Jays | TOR | 1.56 | 201309080_TOR_MIN |
| Minnesota Twins | MIN | 1.19 | 201309070_TOR_MIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -10.96 | 201309090_HOU_SEA |
| Chicago Cubs | CHN | -2.6 | 201309090_CHN_CIN |
| LA Angels of Anaheim | ANA | -2.49 | 201309070_TEX_ANA |
| Seattle Mariners | SEA | -2.41 | 201309080_TBA_SEA |
| Colorado Rockies | COL | -0.65 | 201309070_COL_SDN |
Based on accumulated WAA for this season up to 2013-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +024+ | 4.4 | Mark Melancon | 63.3 | PIT |
| +030+ | 4.15 | Koji Uehara | 64.3 | BOS |
| +038+ | 4.05 | Craig Kimbrel | 58.7 | ATL |
| +059+ | 3.38 | Greg Holland | 58 | KCA |
| +064+ | 3.19 | Luis Avilan | 60.7 | ATL |
| +066+ | 3.17 | Kenley Jansen | 69.7 | LAN |
| +068+ | 3.16 | Joe Nathan | 55.7 | TEX |
| +069+ | 3.12 | Luke Hochevar | 62 | KCA |
| +072+ | 3.04 | Tanner Scheppers | 63.7 | TEX |
| +073+ | 3 | Neal Cotts | 47 | TEX |
| +075+ | 2.97 | Rex Brothers | 59.7 | COL |
| +085+ | 2.67 | Edward Mujica | 59.7 | SLN |
| +086+ | 2.67 | Alexander Torres | 50 | TBA |
| +089+ | 2.65 | Ryan Cook | 61.7 | OAK |
| +090+ | 2.6 | Justin Wilson | 69 | PIT |
| +096+ | 2.54 | Drew Smyly | 70 | DET |
| +099+ | 2.48 | Kevin Siegrist | 32 | SLN |
| +101+ | 2.46 | Tyler Clippard | 64 | WAS |
| +104+ | 2.44 | Trevor Rosenthal | 66.3 | SLN |
| +106+ | 2.43 | Aaron Loup | 66.3 | TOR |
| +110+ | 2.4 | David Carpenter | 56.7 | ATL |
| +114+ | 2.32 | Joaquin Benoit | 56 | DET |
| +120+ | 2.2 | Brad Ziegler | 65.7 | ARI |
| +124+ | 2.16 | Craig Breslow | 51.7 | BOS |
| +127+ | 2.14 | Jim Henderson | 53.3 | MIL |
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