| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roberto Hernandez | TBA | -2.92 | 201306260_TOR_TBA |
| Jason Hammel | BAL | -2.53 | 201306260_CLE_BAL |
| Justin Grimm | TEX | -2.49 | 201306260_TEX_NYA |
| Ubaldo Jimenez | CLE | -2.09 | 201306240_CLE_BAL |
| Edwin Jackson | CHN | -2.05 | 201306250_CHN_MIL |
Based on accumulated WAA for this season up to 2013-06-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.36 | Clayton Kershaw | 121.3 | LAN |
| +006+ | 4.7 | Matt Harvey | 110 | NYN |
| +008+ | 4.53 | Jordan Zimmermann | 114.7 | WAS |
| +011+ | 4.35 | Adam Wainwright | 116.7 | SLN |
| +013+ | 4.13 | Hisashi Iwakuma | 107.3 | SEA |
| +012+ | 4.13 | Jeff Locke | 96.3 | PIT |
| +014+ | 4.04 | Cliff Lee | 118.3 | PHI |
| +016+ | 4.03 | Patrick Corbin | 102.7 | ARI |
| +020+ | 3.36 | Shelby Miller | 92 | SLN |
| +021+ | 3.3 | Felix Hernandez | 116.7 | SEA |
| +022+ | 3.16 | Stephen Strasburg | 86.3 | WAS |
| +025+ | 3.02 | Ervin Santana | 105 | KCA |
| +026+ | 3.01 | Mike Leake | 96.7 | CIN |
| +033+ | 2.76 | Chris Sale | 98.3 | CHA |
| +036+ | 2.74 | James Shields | 111 | KCA |
| +037+ | 2.71 | Hiroki Kuroda | 100.7 | NYA |
| +042+ | 2.56 | Hyun-Jin Ryu | 98 | LAN |
| +043+ | 2.53 | Travis Wood | 98 | CHN |
| +051+ | 2.36 | Yu Darvish | 106.7 | TEX |
| +052+ | 2.35 | Mike Minor | 102.7 | ATL |
| +055+ | 2.26 | Jake Westbrook | 57 | SLN |
| +059+ | 2.19 | Bartolo Colon | 98.3 | OAK |
| +060+ | 2.16 | Kris Medlen | 98.3 | ATL |
| +063+ | 2.03 | Francisco Liriano | 54.7 | PIT |
| +064+ | 1.98 | Max Scherzer | 103.3 | DET |
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