| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.81 | 201305210_WAS_SFN |
| Cleveland Indians | CLE | 3.33 | 201305220_DET_CLE |
| Atlanta Braves | ATL | 2.8 | 201305210_MIN_ATL |
| Oakland Athletics | OAK | 2.61 | 201305220_OAK_TEX |
| New York Yankees | NYA | 1.82 | 201305220_NYA_BAL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -3.35 | 201305230_CHN_PIT |
| Texas Rangers | TEX | -2.89 | 201305210_OAK_TEX |
| Houston Astros | HOU | -2.81 | 201305220_KCA_HOU |
| LA Angels of Anaheim | ANA | -2.45 | 201305210_SEA_ANA |
| Miami Marlins | MIA | -2.02 | 201305220_PHI_MIA |
Based on accumulated WAA for this season up to 2013-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +035+ | 1.9 | Mark Melancon | 25 | PIT |
| +039+ | 1.82 | Tanner Scheppers | 24 | TEX |
| +041+ | 1.78 | Robbie Ross | 21.3 | TEX |
| +043+ | 1.76 | Rex Brothers | 21.3 | COL |
| +044+ | 1.76 | Justin Wilson | 28 | PIT |
| +050+ | 1.66 | Tom Wilhelmsen | 20 | SEA |
| +057+ | 1.56 | Adam Warren | 23.7 | NYA |
| +058+ | 1.54 | Jesse Crain | 21 | CHA |
| +061+ | 1.51 | Cory Gearrin | 20.7 | ATL |
| +062+ | 1.5 | Tommy Hunter | 25.3 | BAL |
| +071+ | 1.42 | Sean Doolittle | 20 | OAK |
| +069+ | 1.42 | Luke Gregerson | 19.7 | SDN |
| +079+ | 1.38 | Jason Grilli | 21.7 | PIT |
| +082+ | 1.35 | Jim Henderson | 19 | MIL |
| +085+ | 1.32 | Bryan Shaw | 23.3 | CLE |
| +093+ | 1.27 | Joaquin Benoit | 21 | DET |
| +092+ | 1.27 | Ryan Pressly | 22.7 | MIN |
| +091+ | 1.27 | Steve Delabar | 25 | TOR |
| XXXXX | 1.24 | Jonathan Papelbon | 17.7 | PHI |
| XXXXX | 1.2 | James Russell | 17.3 | CHN |
| XXXXX | 1.19 | Sam LeCure | 20 | CIN |
| XXXXX | 1.17 | Matt Reynolds | 20 | ARI |
| XXXXX | 1.15 | Ryan Webb | 26 | MIA |
| XXXXX | 1.13 | Chad Gaudin | 26 | SFN |
| XXXXX | 1.11 | Luke Hochevar | 16.3 | KCA |
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