| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 12.91 | 201306050_SDN_LAN |
| Cliff Lee | PHI | 7.23 | 201306070_PHI_MIL |
| James Shields | KCA | 4.29 | 201306070_HOU_KCA |
| Hiroki Kuroda | NYA | 3.94 | 201306070_NYA_SEA |
| Chris Sale | CHA | 3.15 | 201306070_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Pelfrey | MIN | -4.04 | 201306060_MIN_KCA |
| Edinson Volquez | SDN | -3.09 | 201306070_SDN_COL |
| Ubaldo Jimenez | CLE | -2.81 | 201306070_CLE_DET |
| Phil Hughes | NYA | -2.65 | 201306060_NYA_SEA |
| Dillon Gee | NYN | -2.23 | 201306050_NYN_WAS |
Based on accumulated WAA for this season up to 2013-06-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.55 | Clayton Kershaw | 93.3 | LAN |
| +005+ | 4.36 | Clay Buchholz | 77.7 | BOS |
| +007+ | 4.12 | Hisashi Iwakuma | 88.3 | SEA |
| +009+ | 3.81 | Jordan Zimmermann | 87.7 | WAS |
| +010+ | 3.6 | Patrick Corbin | 81.7 | ARI |
| +012+ | 3.53 | Adam Wainwright | 96 | SLN |
| +011+ | 3.53 | Shelby Miller | 75.3 | SLN |
| +014+ | 3.49 | Matt Harvey | 83 | NYN |
| +016+ | 3.29 | Cliff Lee | 95.3 | PHI |
| +018+ | 2.86 | Felix Hernandez | 90.7 | SEA |
| +019+ | 2.84 | Alex Cobb | 75.3 | TBA |
| +021+ | 2.68 | Mike Minor | 78.7 | ATL |
| +022+ | 2.64 | James Shields | 93 | KCA |
| +024+ | 2.56 | Stephen Strasburg | 74.3 | WAS |
| +028+ | 2.46 | Travis Wood | 78 | CHN |
| +029+ | 2.43 | Jeff Locke | 69.7 | PIT |
| +031+ | 2.4 | Hyun-Jin Ryu | 79.3 | LAN |
| +033+ | 2.33 | Yu Darvish | 81.3 | TEX |
| +034+ | 2.29 | Chris Sale | 77.3 | CHA |
| +037+ | 2.23 | Anibal Sanchez | 78 | DET |
| +040+ | 2.17 | Derek Holland | 79.7 | TEX |
| +043+ | 2.14 | Hiroki Kuroda | 79.3 | NYA |
| +053+ | 2.03 | Lance Lynn | 75 | SLN |
| +057+ | 1.92 | Jeff Samardzija | 79 | CHN |
| +059+ | 1.89 | Mike Leake | 73.7 | CIN |
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