| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 4.11 | 201305260_COL_SFN |
| Cleveland Indians | CLE | 2.56 | 201305250_CLE_BOS |
| Oakland Athletics | OAK | 2.2 | 201305270_SFN_OAK |
| Cincinnati Reds | CIN | 1.19 | 201305250_CHN_CIN |
| Colorado Rockies | COL | 0.82 | 201305250_COL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -3.76 | 201305270_COL_HOU |
| Chicago Cubs | CHN | -2.84 | 201305250_CHN_CIN |
| Texas Rangers | TEX | -2.22 | 201305250_TEX_SEA |
| Toronto Blue Jays | TOR | -1.82 | 201305270_ATL_TOR |
| New York Mets | NYN | -1.54 | 201305270_NYA_NYN |
Based on accumulated WAA for this season up to 2013-05-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +041+ | 1.97 | Robbie Ross | 23.3 | TEX |
| +043+ | 1.94 | Tanner Scheppers | 25.3 | TEX |
| +045+ | 1.92 | Rex Brothers | 23 | COL |
| +046+ | 1.9 | Mark Melancon | 27 | PIT |
| +050+ | 1.84 | Tom Wilhelmsen | 22 | SEA |
| +052+ | 1.72 | Jesse Crain | 23 | CHA |
| +053+ | 1.71 | Sean Doolittle | 23 | OAK |
| +057+ | 1.66 | Justin Wilson | 29 | PIT |
| +065+ | 1.57 | Adam Warren | 23.7 | NYA |
| +070+ | 1.54 | Luke Gregerson | 20.7 | SDN |
| +073+ | 1.49 | Jason Grilli | 22.7 | PIT |
| +079+ | 1.44 | Ryan Pressly | 24.3 | MIN |
| +080+ | 1.43 | Tommy Hunter | 29 | BAL |
| +081+ | 1.42 | Jim Henderson | 19.7 | MIL |
| +086+ | 1.4 | Matt Reynolds | 22.3 | ARI |
| +088+ | 1.37 | James Russell | 19 | CHN |
| +090+ | 1.36 | Jonathan Papelbon | 18.7 | PHI |
| +096+ | 1.3 | Chad Gaudin | 27.7 | SFN |
| +097+ | 1.29 | Bryan Shaw | 25 | CLE |
| +098+ | 1.29 | Sam LeCure | 21 | CIN |
| XXXXX | 1.25 | Grant Balfour | 20.3 | OAK |
| +104+ | 1.25 | Kevin Gregg | 13.3 | CHN |
| XXXXX | 1.23 | Joel Peralta | 24.3 | TBA |
| XXXXX | 1.18 | Darren O'Day | 24 | BAL |
| XXXXX | 1.17 | Drew Smyly | 31.3 | DET |
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