| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 3.88 | 201305200_MIN_ATL |
| San Francisco Giants | SFN | 3.74 | 201305180_SFN_COL |
| Cleveland Indians | CLE | 2.44 | 201305180_SEA_CLE |
| Washington Nationals | WAS | 2.32 | 201305180_WAS_SDN |
| Cincinnati Reds | CIN | 1.18 | 201305190_CIN_PHI |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Toronto Blue Jays | TOR | -2.63 | 201305180_TOR_NYA |
| Texas Rangers | TEX | -2.4 | 201305200_OAK_TEX |
| Houston Astros | HOU | -2.3 | 201305180_HOU_PIT |
| LA Angels of Anaheim | ANA | -1.98 | 201305190_CHA_ANA |
| Miami Marlins | MIA | -1.58 | 201305180_ARI_MIA |
Based on accumulated WAA for this season up to 2013-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +040+ | 1.72 | Mark Melancon | 23 | PIT |
| +041+ | 1.7 | Tanner Scheppers | 22.7 | TEX |
| +043+ | 1.63 | Robbie Ross | 19.7 | TEX |
| +046+ | 1.59 | Rex Brothers | 19.3 | COL |
| +049+ | 1.57 | Tom Wilhelmsen | 19 | SEA |
| +052+ | 1.55 | Justin Wilson | 25.7 | PIT |
| +057+ | 1.48 | Jesse Crain | 20.3 | CHA |
| +056+ | 1.48 | Ryan Webb | 25 | MIA |
| +061+ | 1.46 | Cory Gearrin | 20 | ATL |
| +068+ | 1.41 | Jason Grilli | 19.7 | PIT |
| +069+ | 1.4 | James Russell | 17.3 | CHN |
| +074+ | 1.36 | Bobby Parnell | 19.3 | NYN |
| +077+ | 1.35 | Matt Reynolds | 19.7 | ARI |
| +079+ | 1.33 | Sean Doolittle | 19 | OAK |
| +078+ | 1.33 | Luke Gregerson | 18.7 | SDN |
| +081+ | 1.32 | Tommy Hunter | 23.3 | BAL |
| +086+ | 1.27 | Drew Smyly | 28 | DET |
| +087+ | 1.26 | Jim Henderson | 18 | MIL |
| XXXXX | 1.25 | Jonathan Papelbon | 17.7 | PHI |
| XXXXX | 1.19 | Adam Warren | 19.7 | NYA |
| XXXXX | 1.17 | Ryan Pressly | 21.7 | MIN |
| XXXXX | 1.14 | Bryan Shaw | 21.3 | CLE |
| XXXXX | 1.12 | Chad Gaudin | 25.7 | SFN |
| XXXXX | 1.12 | Edward Mujica | 19 | SLN |
| XXXXX | 1.11 | Luke Hochevar | 16.3 | KCA |
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