| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 4.11 | 201305260_COL_SFN |
| Oakland Athletics | OAK | 2.97 | 201305280_SFN_OAK |
| Cleveland Indians | CLE | 2.05 | 201305260_CLE_BOS |
| Colorado Rockies | COL | 1.03 | 201305280_COL_HOU |
| Arizona Diamondbacks | ARI | 0.78 | 201305271_TEX_ARI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -3.76 | 201305270_COL_HOU |
| Chicago Cubs | CHN | -2.73 | 201305260_CHN_CIN |
| Toronto Blue Jays | TOR | -2.08 | 201305280_ATL_TOR |
| New York Mets | NYN | -1.54 | 201305270_NYA_NYN |
| Baltimore Orioles | BAL | -0.99 | 201305270_BAL_WAS |
Based on accumulated WAA for this season up to 2013-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +042+ | 1.97 | Mark Melancon | 28 | PIT |
| +044+ | 1.96 | Robbie Ross | 23.3 | TEX |
| +046+ | 1.94 | Tanner Scheppers | 25.3 | TEX |
| +048+ | 1.91 | Rex Brothers | 23 | COL |
| +054+ | 1.84 | Tom Wilhelmsen | 22 | SEA |
| +055+ | 1.83 | Justin Wilson | 31 | PIT |
| +057+ | 1.72 | Jesse Crain | 23 | CHA |
| +058+ | 1.7 | Sean Doolittle | 23 | OAK |
| +063+ | 1.6 | Ryan Pressly | 26.3 | MIN |
| +068+ | 1.57 | Adam Warren | 23.7 | NYA |
| +067+ | 1.57 | Jason Grilli | 23.7 | PIT |
| +070+ | 1.53 | Luke Gregerson | 20.7 | SDN |
| +080+ | 1.45 | Jonathan Papelbon | 19.7 | PHI |
| +083+ | 1.43 | Tommy Hunter | 29 | BAL |
| +089+ | 1.39 | Matt Reynolds | 22.3 | ARI |
| +091+ | 1.37 | Chad Gaudin | 30.7 | SFN |
| +092+ | 1.36 | James Russell | 19 | CHN |
| +096+ | 1.31 | Sam LeCure | 21.3 | CIN |
| +101+ | 1.28 | Brett Cecil | 27.3 | TOR |
| +105+ | 1.25 | Kevin Gregg | 13.3 | CHN |
| XXXXX | 1.18 | Darren O'Day | 24 | BAL |
| XXXXX | 1.17 | Joe Smith | 17 | CLE |
| XXXXX | 1.15 | Trevor Rosenthal | 26 | SLN |
| XXXXX | 1.15 | Drew Smyly | 31.3 | DET |
| XXXXX | 1.13 | Grant Balfour | 21.3 | OAK |
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