| Team | Tm | Tier | Game |
|---|---|---|---|
| Atlanta Braves | ATL | 7.39 | 201304300_WAS_ATL |
| Arizona Diamondbacks | ARI | 2.53 | 201304290_SFN_ARI |
| Cleveland Indians | CLE | 2 | 201305010_PHI_CLE |
| San Francisco Giants | SFN | 1.75 | 201305010_SFN_ARI |
| Cincinnati Reds | CIN | 0.96 | 201305010_CIN_SLN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | -4.21 | 201305010_PIT_MIL |
| Houston Astros | HOU | -4.05 | 201305010_HOU_NYA |
| Seattle Mariners | SEA | -3.02 | 201304290_BAL_SEA |
| Texas Rangers | TEX | -2.24 | 201304300_CHA_TEX |
| Chicago Cubs | CHN | -1.31 | 201305010_SDN_CHN |
Based on accumulated WAA for this season up to 2013-05-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| XXXXX | 1.23 | Matt Reynolds | 14 | ARI |
| XXXXX | 1.21 | Mark Melancon | 15 | PIT |
| XXXXX | 1.11 | Justin Wilson | 18.3 | PIT |
| XXXXX | 1.09 | Jim Johnson | 14 | BAL |
| XXXXX | 1.07 | Tanner Scheppers | 13.7 | TEX |
| XXXXX | 1.06 | Darren O'Day | 13.7 | BAL |
| XXXXX | 1.04 | Jerome Williams | 21.3 | ANA |
| XXXXX | 1.02 | Rex Brothers | 13.3 | COL |
| XXXXX | 1.02 | James Russell | 11 | CHN |
| XXXXX | 0.99 | Aroldis Chapman | 13.3 | CIN |
| XXXXX | 0.99 | Tom Wilhelmsen | 13 | SEA |
| XXXXX | 0.97 | Drew Smyly | 18 | DET |
| XXXXX | 0.94 | Anthony Varvaro | 14.7 | ATL |
| XXXXX | 0.93 | Brett Cecil | 14.7 | TOR |
| XXXXX | 0.93 | Jason Grilli | 12 | PIT |
| XXXXX | 0.91 | Scott Rice | 14.7 | NYN |
| XXXXX | 0.91 | Bryan Shaw | 12 | CLE |
| XXXXX | 0.91 | Robbie Ross | 12 | TEX |
| XXXXX | 0.9 | Jim Henderson | 12 | MIL |
| XXXXX | 0.9 | Bruce Chen | 9.7 | KCA |
| XXXXX | 0.84 | Oliver Perez | 11.3 | SEA |
| XXXXX | 0.83 | Jerry Blevins | 16.3 | OAK |
| XXXXX | 0.81 | Joe Smith | 8.7 | CLE |
| XXXXX | 0.76 | Jared Burton | 10.3 | MIN |
| XXXXX | 0.76 | Jean Machi | 8.3 | SFN |
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