| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 3.52 | 201309040_PIT_MIL |
| Atlanta Braves | ATL | 3.02 | 201309060_ATL_PHI |
| Texas Rangers | TEX | 1.56 | 201309060_TEX_ANA |
| Toronto Blue Jays | TOR | 1.18 | 201309060_TOR_MIN |
| St. Louis Cardinals | SLN | 1.06 | 201309050_SLN_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -9.33 | 201309050_HOU_OAK |
| Chicago Cubs | CHN | -3.21 | 201309060_MIL_CHN |
| LA Angels of Anaheim | ANA | -2.8 | 201309040_TBA_ANA |
| Seattle Mariners | SEA | -1.97 | 201309060_TBA_SEA |
| Chicago White Sox | CHA | -1.06 | 201309040_CHA_NYA |
Based on accumulated WAA for this season up to 2013-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +021+ | 4.32 | Mark Melancon | 62.3 | PIT |
| +027+ | 4.16 | Koji Uehara | 64.3 | BOS |
| +037+ | 3.97 | Craig Kimbrel | 57.7 | ATL |
| +061+ | 3.28 | Luis Avilan | 59.3 | ATL |
| +063+ | 3.21 | Greg Holland | 56 | KCA |
| +068+ | 3.07 | Joe Nathan | 54.7 | TEX |
| +072+ | 2.98 | Rex Brothers | 59.7 | COL |
| +071+ | 2.98 | Alexander Torres | 48.7 | TBA |
| +074+ | 2.98 | Luke Hochevar | 60.3 | KCA |
| +076+ | 2.92 | Neal Cotts | 46 | TEX |
| +077+ | 2.87 | Tanner Scheppers | 61.7 | TEX |
| +078+ | 2.8 | David Robertson | 58.3 | NYA |
| +084+ | 2.69 | Edward Mujica | 59.7 | SLN |
| +086+ | 2.66 | Ryan Cook | 61.7 | OAK |
| +089+ | 2.54 | Drew Smyly | 70 | DET |
| +095+ | 2.49 | Kevin Siegrist | 32 | SLN |
| +103+ | 2.41 | David Carpenter | 54.3 | ATL |
| +104+ | 2.39 | Aaron Loup | 65.7 | TOR |
| +107+ | 2.36 | Trevor Rosenthal | 65.3 | SLN |
| +113+ | 2.31 | Caleb Thielbar | 37 | MIN |
| +115+ | 2.3 | Josh Collmenter | 83.3 | ARI |
| +116+ | 2.29 | Tyler Clippard | 62 | WAS |
| +117+ | 2.28 | Vin Mazzaro | 67.7 | PIT |
| +120+ | 2.23 | Joaquin Benoit | 55 | DET |
| +123+ | 2.22 | Santiago Casilla | 40.3 | SFN |
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