| Starter | Tm | Tier | Game |
|---|---|---|---|
| Patrick Corbin | ARI | 3.61 | 201308140_BAL_ARI |
| Anibal Sanchez | DET | 1.64 | 201308150_KCA_DET |
| Mike Leake | CIN | 1.42 | 201308160_CIN_MIL |
| Hisashi Iwakuma | SEA | 1.16 | 201308160_SEA_TEX |
| Chad Gaudin | SFN | 1.12 | 201308160_SFN_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Aaron Harang | SEA | -3.88 | 201308140_SEA_TBA |
| Mike Pelfrey | MIN | -2.88 | 201308150_CHA_MIN |
| Ian Kennedy | SDN | -2.83 | 201308160_NYN_SDN |
| Jeremy Hellickson | TBA | -2.27 | 201308160_TOR_TBA |
| Ryan Vogelsong | SFN | -2.27 | 201308150_SFN_WAS |
Based on accumulated WAA for this season up to 2013-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.48 | Clayton Kershaw | 182.3 | LAN |
| +005+ | 6.02 | Matt Harvey | 165.7 | NYN |
| +008+ | 5.69 | Felix Hernandez | 173.7 | SEA |
| +009+ | 5.65 | Hiroki Kuroda | 154.7 | NYA |
| +011+ | 5 | Adam Wainwright | 182.7 | SLN |
| +012+ | 4.98 | Patrick Corbin | 163.3 | ARI |
| +020+ | 4.53 | Jose Fernandez | 139.7 | MIA |
| +021+ | 4.44 | Jeff Locke | 137 | PIT |
| +022+ | 4.41 | Yu Darvish | 153.7 | TEX |
| +025+ | 4.25 | Madison Bumgarner | 158 | SFN |
| +026+ | 4.18 | Chris Sale | 158.3 | CHA |
| +027+ | 4.09 | Anibal Sanchez | 133 | DET |
| +031+ | 3.86 | Bruce Chen | 72.3 | KCA |
| +033+ | 3.74 | Max Scherzer | 164.3 | DET |
| +032+ | 3.74 | Mike Minor | 157 | ATL |
| +034+ | 3.7 | Stephen Strasburg | 146.3 | WAS |
| +037+ | 3.61 | Derek Holland | 168 | TEX |
| +040+ | 3.56 | Hisashi Iwakuma | 171 | SEA |
| +047+ | 3.31 | Hyun-Jin Ryu | 148.3 | LAN |
| +049+ | 3.3 | Jordan Zimmermann | 158 | WAS |
| +053+ | 3.18 | Travis Wood | 153 | CHN |
| +054+ | 3.18 | Bartolo Colon | 154.3 | OAK |
| +056+ | 3.15 | Mike Leake | 152.7 | CIN |
| +058+ | 3.06 | Mat Latos | 154 | CIN |
| +060+ | 3.02 | Francisco Liriano | 114 | PIT |
_