| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 3.03 | 201305090_ATL_SFN |
| San Francisco Giants | SFN | 2.97 | 201305110_ATL_SFN |
| Arizona Diamondbacks | ARI | 1.73 | 201305090_PHI_ARI |
| Washington Nationals | WAS | 1.7 | 201305100_CHN_WAS |
| Detroit Tigers | DET | 0.8 | 201305110_CLE_DET |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -12.91 | 201305100_TEX_HOU |
| Chicago Cubs | CHN | -3.36 | 201305100_CHN_WAS |
| Texas Rangers | TEX | -1.56 | 201305100_TEX_HOU |
| Seattle Mariners | SEA | -1.1 | 201305100_OAK_SEA |
| LA Angels of Anaheim | ANA | -0.74 | 201305090_ANA_HOU |
Based on accumulated WAA for this season up to 2013-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +040+ | 1.58 | Matt Reynolds | 17.7 | ARI |
| +048+ | 1.49 | Mark Melancon | 18 | PIT |
| +049+ | 1.47 | Tanner Scheppers | 18 | TEX |
| +051+ | 1.44 | Justin Wilson | 22 | PIT |
| +055+ | 1.34 | Jim Johnson | 19 | BAL |
| +056+ | 1.31 | Chad Gaudin | 21.3 | SFN |
| +061+ | 1.29 | Robbie Ross | 16 | TEX |
| +060+ | 1.29 | Rex Brothers | 16.3 | COL |
| +062+ | 1.27 | Tom Wilhelmsen | 16 | SEA |
| XXXXX | 1.18 | Luke Gregerson | 17 | SDN |
| XXXXX | 1.15 | Jesse Crain | 17 | CHA |
| XXXXX | 1.13 | Edgmer Escalona | 21.3 | COL |
| XXXXX | 1.07 | Tommy Hunter | 18.3 | BAL |
| XXXXX | 1.06 | Cory Gearrin | 16 | ATL |
| XXXXX | 1.03 | James Russell | 13.3 | CHN |
| XXXXX | 1.02 | Drew Smyly | 23.3 | DET |
| XXXXX | 1.01 | Ryan Webb | 20 | MIA |
| XXXXX | 1.01 | Bryan Shaw | 15.3 | CLE |
| XXXXX | 1 | Chris Perez | 13 | CLE |
| XXXXX | 0.99 | Casey Janssen | 13 | TOR |
| XXXXX | 0.97 | Joe Smith | 12.7 | CLE |
| XXXXX | 0.97 | Jim Henderson | 15 | MIL |
| XXXXX | 0.96 | Jason Grilli | 14.7 | PIT |
| XXXXX | 0.96 | Jonathan Papelbon | 14.7 | PHI |
| XXXXX | 0.95 | Sean Doolittle | 15 | OAK |
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