| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.81 | 201305300_OAK_SFN |
| Oakland Athletics | OAK | 3.5 | 201305300_OAK_SFN |
| Colorado Rockies | COL | 1.98 | 201305290_HOU_COL |
| Chicago White Sox | CHA | 1.16 | 201305290_CHA_CHN |
| Cleveland Indians | CLE | 1.12 | 201305280_CLE_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -10.36 | 201305300_HOU_COL |
| Chicago Cubs | CHN | -2.82 | 201305300_CHA_CHN |
| Toronto Blue Jays | TOR | -2.08 | 201305280_ATL_TOR |
| Baltimore Orioles | BAL | -1.37 | 201305300_WAS_BAL |
| Miami Marlins | MIA | -1.32 | 201305300_TBA_MIA |
Based on accumulated WAA for this season up to 2013-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 2.06 | Robbie Ross | 24.3 | TEX |
| +038+ | 2.05 | Mark Melancon | 29 | PIT |
| +044+ | 1.97 | Rex Brothers | 23.7 | COL |
| +047+ | 1.94 | Tanner Scheppers | 25.3 | TEX |
| +049+ | 1.91 | Justin Wilson | 32 | PIT |
| +057+ | 1.73 | Jesse Crain | 23 | CHA |
| +058+ | 1.72 | Tom Wilhelmsen | 23 | SEA |
| +066+ | 1.66 | Ryan Pressly | 27 | MIN |
| +067+ | 1.65 | Jason Grilli | 24.7 | PIT |
| +070+ | 1.62 | Luke Gregerson | 21.7 | SDN |
| +077+ | 1.52 | Tommy Hunter | 30 | BAL |
| +079+ | 1.49 | Matt Reynolds | 23.3 | ARI |
| +083+ | 1.42 | James Russell | 19.7 | CHN |
| +086+ | 1.41 | Sean Doolittle | 24.3 | OAK |
| +090+ | 1.37 | Chad Gaudin | 30.7 | SFN |
| +096+ | 1.33 | Jonathan Papelbon | 20.7 | PHI |
| +097+ | 1.32 | Sam LeCure | 21.3 | CIN |
| +100+ | 1.28 | Brett Cecil | 27.3 | TOR |
| +103+ | 1.27 | Joe Smith | 18 | CLE |
| +101+ | 1.27 | Drew Smyly | 32.7 | DET |
| +104+ | 1.26 | Adam Ottavino | 27.3 | COL |
| XXXXX | 1.23 | Jerry Blevins | 24.7 | OAK |
| XXXXX | 1.22 | Grant Balfour | 22.3 | OAK |
| XXXXX | 1.19 | Cory Gearrin | 24 | ATL |
| XXXXX | 1.19 | Bobby Parnell | 24.3 | NYN |
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