| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 3.78 | 201305060_ATL_CIN |
| San Francisco Giants | SFN | 3.13 | 201305070_PHI_SFN |
| Arizona Diamondbacks | ARI | 1.78 | 201305080_ARI_LAN |
| Washington Nationals | WAS | 1.59 | 201305080_DET_WAS |
| Cincinnati Reds | CIN | 1.03 | 201305060_ATL_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -4.83 | 201305080_ANA_HOU |
| Chicago Cubs | CHN | -2.54 | 201305080_SLN_CHN |
| Texas Rangers | TEX | -1.71 | 201305080_TEX_MIL |
| Seattle Mariners | SEA | -1.17 | 201305080_SEA_PIT |
| Toronto Blue Jays | TOR | -1.15 | 201305060_TOR_TBA |
Based on accumulated WAA for this season up to 2013-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +044+ | 1.44 | Matt Reynolds | 16.3 | ARI |
| +049+ | 1.38 | Mark Melancon | 17 | PIT |
| +051+ | 1.37 | Tanner Scheppers | 17 | TEX |
| +055+ | 1.34 | Justin Wilson | 21 | PIT |
| +059+ | 1.28 | Rex Brothers | 16.3 | COL |
| XXXXX | 1.24 | Jim Johnson | 18 | BAL |
| XXXXX | 1.17 | Tom Wilhelmsen | 15 | SEA |
| XXXXX | 1.16 | Robbie Ross | 14.7 | TEX |
| XXXXX | 1.13 | Drew Smyly | 20 | DET |
| XXXXX | 1.1 | Luke Gregerson | 16.3 | SDN |
| XXXXX | 1.1 | Jason Grilli | 14 | PIT |
| XXXXX | 1.07 | Bruce Chen | 11.7 | KCA |
| XXXXX | 1.03 | Brett Cecil | 18 | TOR |
| XXXXX | 1.03 | Chad Gaudin | 18.3 | SFN |
| XXXXX | 1.02 | James Russell | 13.3 | CHN |
| XXXXX | 1 | Steve Delabar | 20 | TOR |
| XXXXX | 0.99 | Anthony Varvaro | 17.7 | ATL |
| XXXXX | 0.96 | Jesse Crain | 15 | CHA |
| XXXXX | 0.96 | Scott Rice | 15.3 | NYN |
| XXXXX | 0.94 | Bryan Shaw | 14.7 | CLE |
| XXXXX | 0.93 | Darren O'Day | 17 | BAL |
| XXXXX | 0.93 | Oliver Perez | 12.3 | SEA |
| XXXXX | 0.9 | Chris Perez | 12 | CLE |
| XXXXX | 0.9 | Cory Gearrin | 14.3 | ATL |
| XXXXX | 0.9 | Ryan Webb | 19 | MIA |
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