| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 12.19 | 201307210_LAN_WAS |
| Felix Hernandez | SEA | 5.09 | 201307210_SEA_HOU |
| Jordan Zimmermann | WAS | 4.63 | 201307210_LAN_WAS |
| Adam Wainwright | SLN | 4.25 | 201307210_SDN_SLN |
| Cliff Lee | PHI | 4.03 | 201307210_PHI_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edinson Volquez | SDN | -6.45 | 201307200_SDN_SLN |
| Mike Pelfrey | MIN | -3 | 201307190_CLE_MIN |
| Ian Kennedy | ARI | -2.5 | 201307190_ARI_SFN |
| Edwin Jackson | CHN | -1.94 | 201307210_CHN_COL |
| Juan Nicasio | COL | -1.4 | 201307200_CHN_COL |
Based on accumulated WAA for this season up to 2013-07-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.82 | Clayton Kershaw | 152.3 | LAN |
| +005+ | 5.35 | Adam Wainwright | 154.7 | SLN |
| +007+ | 5 | Matt Harvey | 137 | NYN |
| +009+ | 4.93 | Felix Hernandez | 144.7 | SEA |
| +011+ | 4.69 | Jeff Locke | 115 | PIT |
| +014+ | 4.49 | Patrick Corbin | 130.3 | ARI |
| +016+ | 4.32 | Bartolo Colon | 135.7 | OAK |
| +021+ | 3.73 | Hiroki Kuroda | 125.7 | NYA |
| +028+ | 3.3 | Mike Leake | 122.7 | CIN |
| +029+ | 3.27 | Travis Wood | 122.7 | CHN |
| +035+ | 3.08 | Gio Gonzalez | 124.7 | WAS |
| +036+ | 3.02 | Cliff Lee | 144.7 | PHI |
| +037+ | 3.02 | Madison Bumgarner | 132 | SFN |
| +038+ | 2.99 | Chris Sale | 120 | CHA |
| +042+ | 2.92 | Mike Minor | 130 | ATL |
| +043+ | 2.92 | Jordan Zimmermann | 134.3 | WAS |
| +044+ | 2.91 | Chad Gaudin | 71 | SFN |
| +045+ | 2.89 | Hisashi Iwakuma | 138.3 | SEA |
| +051+ | 2.68 | Francisco Liriano | 81 | PIT |
| +050+ | 2.68 | Jose Fernandez | 104.7 | MIA |
| +053+ | 2.64 | Stephen Strasburg | 115.3 | WAS |
| +055+ | 2.62 | John Lackey | 106.7 | BOS |
| +056+ | 2.6 | Tyler Chatwood | 76.3 | COL |
| +063+ | 2.5 | Tom Gorzelanny | 52.7 | MIL |
| +065+ | 2.49 | Derek Holland | 133.7 | TEX |
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