| Starter | Tm | Tier | Game |
|---|---|---|---|
| Aaron Harang | NYN | -3.73 | 201309280_MIL_NYN |
| Brandon Maurer | SEA | -3.56 | 201309280_OAK_SEA |
| Jeremy Hellickson | TBA | -3.42 | 201309270_TBA_TOR |
| Juan Nicasio | COL | -3.25 | 201309280_COL_LAN |
| Scott Diamond | MIN | -2.91 | 201309290_CLE_MIN |
Based on accumulated WAA for this season up to 2013-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 11.24 | Clayton Kershaw | 236 | LAN |
| +012+ | 6 | Hisashi Iwakuma | 219.7 | SEA |
| +017+ | 5.42 | Bartolo Colon | 190.3 | OAK |
| +018+ | 5.4 | Cliff Lee | 222.7 | PHI |
| +019+ | 5.38 | Anibal Sanchez | 182 | DET |
| +021+ | 5.35 | Clay Buchholz | 108.3 | BOS |
| +026+ | 5.13 | Zack Greinke | 177.7 | LAN |
| +027+ | 5.1 | Adam Wainwright | 241.7 | SLN |
| +029+ | 5.03 | Yu Darvish | 209.7 | TEX |
| +033+ | 4.71 | Max Scherzer | 214.3 | DET |
| +050+ | 3.97 | Chris Sale | 214.3 | CHA |
| +052+ | 3.91 | Hyun-Jin Ryu | 192 | LAN |
| +053+ | 3.89 | James Shields | 228.7 | KCA |
| +055+ | 3.79 | Felix Hernandez | 204.3 | SEA |
| +056+ | 3.78 | Stephen Strasburg | 183 | WAS |
| +062+ | 3.67 | Alex Cobb | 143.3 | TBA |
| +065+ | 3.61 | Travis Wood | 200 | CHN |
| +069+ | 3.52 | Kris Medlen | 197 | ATL |
| +072+ | 3.4 | Mat Latos | 210.7 | CIN |
| +082+ | 3.17 | Jordan Zimmermann | 213.3 | WAS |
| +081+ | 3.17 | Shelby Miller | 173.3 | SLN |
| +083+ | 3.16 | Mike Minor | 204.7 | ATL |
| +086+ | 3.13 | Ervin Santana | 211 | KCA |
| +090+ | 3 | Francisco Liriano | 161 | PIT |
| +093+ | 2.97 | Tanner Roark | 53.7 | WAS |
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