| Team | Tm | Tier | Game |
|---|---|---|---|
| Texas Rangers | TEX | 4.29 | 201309210_TEX_KCA |
| Atlanta Braves | ATL | 4.23 | 201309220_ATL_CHN |
| Pittsburgh Pirates | PIT | 3.93 | 201309220_CIN_PIT |
| St. Louis Cardinals | SLN | 0.78 | 201309220_SLN_MIL |
| Kansas City Royals | KCA | 0.7 | 201309220_TEX_KCA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -8.31 | 201309210_HOU_CLE |
| Colorado Rockies | COL | -3.88 | 201309220_ARI_COL |
| Chicago Cubs | CHN | -2.75 | 201309210_ATL_CHN |
| Tampa Bay Rays | TBA | -2.2 | 201309200_BAL_TBA |
| Seattle Mariners | SEA | -1.19 | 201309200_SEA_ANA |
Based on accumulated WAA for this season up to 2013-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +034+ | 4.64 | Koji Uehara | 72.3 | BOS |
| +045+ | 4.07 | Mark Melancon | 69 | PIT |
| +049+ | 3.93 | Greg Holland | 64 | KCA |
| +050+ | 3.92 | Craig Kimbrel | 64 | ATL |
| +060+ | 3.51 | Neal Cotts | 52.7 | TEX |
| +064+ | 3.42 | Tanner Scheppers | 70.3 | TEX |
| +065+ | 3.41 | Kenley Jansen | 74.7 | LAN |
| +067+ | 3.39 | Luke Hochevar | 67.3 | KCA |
| +071+ | 3.3 | Joe Nathan | 59.7 | TEX |
| +076+ | 3.2 | Luis Avilan | 63 | ATL |
| +078+ | 3.13 | Rex Brothers | 64 | COL |
| +083+ | 3.05 | David Carpenter | 63.7 | ATL |
| +085+ | 3.02 | Alexander Torres | 54.3 | TBA |
| +087+ | 2.95 | Kevin Siegrist | 37.3 | SLN |
| +093+ | 2.88 | Joaquin Benoit | 62.3 | DET |
| +097+ | 2.84 | Justin Wilson | 71.7 | PIT |
| +106+ | 2.63 | David Robertson | 63.3 | NYA |
| +108+ | 2.6 | Craig Breslow | 56.7 | BOS |
| +109+ | 2.57 | Mariano Rivera | 62.7 | NYA |
| +112+ | 2.46 | Drew Smyly | 74 | DET |
| +118+ | 2.39 | Tommy Hunter | 84.3 | BAL |
| +119+ | 2.38 | Brad Ziegler | 70 | ARI |
| +121+ | 2.37 | Tyler Clippard | 70 | WAS |
| +122+ | 2.37 | Louis Coleman | 28.3 | KCA |
| +120+ | 2.37 | Aaron Loup | 68 | TOR |
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