| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.81 | 201305220_WAS_SFN |
| Cleveland Indians | CLE | 3.33 | 201305220_DET_CLE |
| Oakland Athletics | OAK | 2.63 | 201305240_OAK_HOU |
| Atlanta Braves | ATL | 2.63 | 201305220_MIN_ATL |
| New York Yankees | NYA | 2.03 | 201305240_NYA_TBA |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | -3.35 | 201305230_CHN_PIT |
| Houston Astros | HOU | -2.81 | 201305220_KCA_HOU |
| Philadelphia Phillies | PHI | -2.78 | 201305240_PHI_WAS |
| Texas Rangers | TEX | -2.51 | 201305220_OAK_TEX |
| Miami Marlins | MIA | -2.02 | 201305220_PHI_MIA |
Based on accumulated WAA for this season up to 2013-05-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 1.91 | Mark Melancon | 25 | PIT |
| +042+ | 1.83 | Tanner Scheppers | 24 | TEX |
| +044+ | 1.79 | Robbie Ross | 21.3 | TEX |
| +045+ | 1.77 | Justin Wilson | 28 | PIT |
| +046+ | 1.77 | Rex Brothers | 21.3 | COL |
| +048+ | 1.67 | Tom Wilhelmsen | 20 | SEA |
| +051+ | 1.62 | Jesse Crain | 22 | CHA |
| +058+ | 1.56 | Adam Warren | 23.7 | NYA |
| +063+ | 1.54 | Cory Gearrin | 21 | ATL |
| +065+ | 1.51 | Tommy Hunter | 27.7 | BAL |
| +070+ | 1.43 | Ryan Pressly | 24.3 | MIN |
| +071+ | 1.43 | Luke Gregerson | 19.7 | SDN |
| +075+ | 1.42 | Jim Henderson | 19.7 | MIL |
| +074+ | 1.42 | Sean Doolittle | 20 | OAK |
| +080+ | 1.39 | Jason Grilli | 21.7 | PIT |
| +088+ | 1.33 | Bryan Shaw | 23.3 | CLE |
| +093+ | 1.28 | Steve Delabar | 25 | TOR |
| +096+ | 1.27 | Joaquin Benoit | 21 | DET |
| +094+ | 1.27 | James Russell | 18 | CHN |
| XXXXX | 1.2 | Sam LeCure | 20 | CIN |
| XXXXX | 1.18 | Matt Reynolds | 20 | ARI |
| XXXXX | 1.15 | Grant Balfour | 19.3 | OAK |
| XXXXX | 1.14 | Chad Gaudin | 26 | SFN |
| XXXXX | 1.1 | Michael Dunn | 21 | MIA |
| XXXXX | 1.07 | Joe Smith | 16 | CLE |
_