| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.1 | 201305120_ATL_SFN |
| Atlanta Braves | ATL | 2.09 | 201305110_ATL_SFN |
| Arizona Diamondbacks | ARI | 1.4 | 201305110_PHI_ARI |
| Washington Nationals | WAS | 0.87 | 201305110_CHN_WAS |
| Cincinnati Reds | CIN | 0.81 | 201305120_MIL_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -12.33 | 201305110_TEX_HOU |
| Chicago Cubs | CHN | -2.92 | 201305110_CHN_WAS |
| Texas Rangers | TEX | -2.33 | 201305130_TEX_OAK |
| Seattle Mariners | SEA | -1.04 | 201305110_OAK_SEA |
| LA Angels of Anaheim | ANA | -0.63 | 201305130_KCA_ANA |
Based on accumulated WAA for this season up to 2013-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +039+ | 1.57 | Mark Melancon | 19 | PIT |
| +045+ | 1.47 | Tanner Scheppers | 18 | TEX |
| +052+ | 1.39 | Rex Brothers | 17.3 | COL |
| +055+ | 1.35 | Justin Wilson | 23.3 | PIT |
| +058+ | 1.33 | Jim Johnson | 19 | BAL |
| +062+ | 1.31 | Chad Gaudin | 21.3 | SFN |
| +067+ | 1.29 | Robbie Ross | 16 | TEX |
| +068+ | 1.27 | Tom Wilhelmsen | 16 | SEA |
| XXXXX | 1.24 | Luke Gregerson | 17.7 | SDN |
| XXXXX | 1.24 | Matt Reynolds | 18.7 | ARI |
| XXXXX | 1.18 | Bryan Shaw | 17.3 | CLE |
| XXXXX | 1.15 | Tommy Hunter | 19.3 | BAL |
| XXXXX | 1.15 | Jesse Crain | 17 | CHA |
| XXXXX | 1.13 | Edgmer Escalona | 21.3 | COL |
| XXXXX | 1.13 | Cory Gearrin | 16.7 | ATL |
| XXXXX | 1.12 | James Russell | 14.3 | CHN |
| XXXXX | 1.1 | Ryan Webb | 21 | MIA |
| XXXXX | 1.09 | Adam Warren | 18.7 | NYA |
| XXXXX | 1.07 | Jim Henderson | 16 | MIL |
| XXXXX | 1.06 | Darren O'Day | 18.3 | BAL |
| XXXXX | 1.06 | Bobby Parnell | 16.3 | NYN |
| XXXXX | 1.05 | Joe Smith | 13.7 | CLE |
| XXXXX | 1.05 | Jonathan Papelbon | 15.7 | PHI |
| XXXXX | 1.05 | Jason Grilli | 15.7 | PIT |
| XXXXX | 1.04 | Sean Doolittle | 16 | OAK |
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