| Team | Tm | Tier | Game |
|---|---|---|---|
| San Francisco Giants | SFN | 3.1 | 201305120_ATL_SFN |
| Atlanta Braves | ATL | 2.12 | 201305100_ATL_SFN |
| Washington Nationals | WAS | 1.7 | 201305100_CHN_WAS |
| Arizona Diamondbacks | ARI | 1.4 | 201305110_PHI_ARI |
| Cincinnati Reds | CIN | 0.81 | 201305120_MIL_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Houston Astros | HOU | -12.91 | 201305100_TEX_HOU |
| Chicago Cubs | CHN | -3.36 | 201305100_CHN_WAS |
| Texas Rangers | TEX | -1.61 | 201305120_TEX_HOU |
| Seattle Mariners | SEA | -1.1 | 201305100_OAK_SEA |
| LA Angels of Anaheim | ANA | -0.61 | 201305100_ANA_CHA |
Based on accumulated WAA for this season up to 2013-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +038+ | 1.57 | Mark Melancon | 19 | PIT |
| +044+ | 1.47 | Tanner Scheppers | 18 | TEX |
| +052+ | 1.38 | Rex Brothers | 17.3 | COL |
| +054+ | 1.35 | Justin Wilson | 23.3 | PIT |
| +056+ | 1.33 | Jim Johnson | 19 | BAL |
| +058+ | 1.31 | Chad Gaudin | 21.3 | SFN |
| +062+ | 1.28 | Robbie Ross | 16 | TEX |
| +064+ | 1.27 | Tom Wilhelmsen | 16 | SEA |
| XXXXX | 1.24 | Matt Reynolds | 18.7 | ARI |
| XXXXX | 1.24 | Luke Gregerson | 17.7 | SDN |
| XXXXX | 1.19 | Bryan Shaw | 17.3 | CLE |
| XXXXX | 1.15 | Jesse Crain | 17 | CHA |
| XXXXX | 1.15 | Tommy Hunter | 19.3 | BAL |
| XXXXX | 1.13 | Cory Gearrin | 16.7 | ATL |
| XXXXX | 1.12 | Edgmer Escalona | 21.3 | COL |
| XXXXX | 1.12 | James Russell | 14.3 | CHN |
| XXXXX | 1.1 | Ryan Webb | 21 | MIA |
| XXXXX | 1.06 | Bobby Parnell | 16.3 | NYN |
| XXXXX | 1.06 | Joe Smith | 13.7 | CLE |
| XXXXX | 1.06 | Darren O'Day | 18.3 | BAL |
| XXXXX | 1.05 | Jason Grilli | 15.7 | PIT |
| XXXXX | 1.05 | Jonathan Papelbon | 15.7 | PHI |
| XXXXX | 1.01 | Drew Smyly | 23.3 | DET |
| XXXXX | 0.99 | Casey Janssen | 13 | TOR |
| XXXXX | 0.99 | Chris Perez | 13 | CLE |
_