| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hisashi Iwakuma | SEA | 3.13 | 201309250_KCA_SEA |
| Yu Darvish | TEX | 2.69 | 201309240_HOU_TEX |
| Adam Wainwright | SLN | 2.56 | 201309230_WAS_SLN |
| Max Scherzer | DET | 1.81 | 201309250_DET_MIN |
| Hyun Jin Ryu | LAN | 1.33 | 201309240_LAN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Barry Zito | SFN | -4.82 | 201309250_LAN_SFN |
| Brandon Maurer | SEA | -4.35 | 201309230_KCA_SEA |
| Aaron Harang | NYN | -4.06 | 201309230_NYN_CIN |
| Dylan Axelrod | CHA | -3.79 | 201309250_CHA_CLE |
| Mike Pelfrey | MIN | -3.41 | 201309230_DET_MIN |
Based on accumulated WAA for this season up to 2013-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.72 | Clayton Kershaw | 230 | LAN |
| +012+ | 6.02 | Hisashi Iwakuma | 219.7 | SEA |
| +016+ | 5.35 | Clay Buchholz | 101.3 | BOS |
| +026+ | 4.97 | Yu Darvish | 204 | TEX |
| +027+ | 4.95 | Anibal Sanchez | 177 | DET |
| +029+ | 4.87 | Cliff Lee | 214.7 | PHI |
| +030+ | 4.81 | Zack Greinke | 171.7 | LAN |
| +031+ | 4.72 | Max Scherzer | 214.3 | DET |
| +034+ | 4.65 | Adam Wainwright | 236.3 | SLN |
| +040+ | 4.36 | Chris Sale | 209 | CHA |
| +043+ | 4.14 | Travis Wood | 199 | CHN |
| +049+ | 3.98 | Hyun-Jin Ryu | 188 | LAN |
| +051+ | 3.9 | Felix Hernandez | 198.3 | SEA |
| +059+ | 3.57 | Stephen Strasburg | 176 | WAS |
| +064+ | 3.48 | James Shields | 221.7 | KCA |
| +065+ | 3.42 | Mat Latos | 210.7 | CIN |
| +070+ | 3.33 | Julio Teheran | 180.7 | ATL |
| +073+ | 3.19 | Shelby Miller | 173.3 | SLN |
| +074+ | 3.18 | Andrew Cashner | 175 | SDN |
| +075+ | 3.18 | Jordan Zimmermann | 213.3 | WAS |
| +077+ | 3.14 | Ervin Santana | 211 | KCA |
| +081+ | 3.06 | Mike Minor | 198.7 | ATL |
| +083+ | 3.04 | Alex Cobb | 136.3 | TBA |
| +085+ | 3.02 | Francisco Liriano | 161 | PIT |
| +091+ | 2.91 | Tyler Thornburg | 66.7 | MIL |
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