| Starter | Tm | Tier | Game |
|---|---|---|---|
| Homer Bailey | KCA | -3.15 | 201906180_KCA_SEA |
| Ivan Nova | CHA | -2.85 | 201906180_CHA_CHN |
| Drew Pomeranz | SFN | -1.99 | 201906190_SFN_LAN |
| Jordan Zimmermann | DET | -1.99 | 201906190_DET_PIT |
| Antonio Senzatela | COL | -1.79 | 201906180_COL_ARI |
Based on accumulated WAA for this season up to 2019-06-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.92 | Hyun-Jin Ryu | 93 | LAN |
| +003+ | 4.68 | Luis Castillo | 87.7 | CIN |
| +005+ | 4.63 | Max Scherzer | 106.3 | WAS |
| +007+ | 4.5 | Justin Verlander | 107.7 | HOU |
| +011+ | 4.09 | Charlie Morton | 87.3 | TBA |
| +013+ | 4.03 | Mike Soroka | 76.3 | ATL |
| +014+ | 4.01 | Mike Minor | 95.7 | TEX |
| +015+ | 3.86 | Jake Odorizzi | 76.3 | MIN |
| +017+ | 3.68 | Lucas Giolito | 85.3 | CHA |
| +019+ | 3.54 | Jose Berrios | 97.7 | MIN |
| +022+ | 3.42 | Zack Greinke | 102 | ARI |
| +025+ | 3.34 | Cole Hamels | 91.7 | CHN |
| +028+ | 3.2 | Zach Eflin | 86 | PHI |
| +036+ | 2.95 | Trevor Bauer | 108.3 | CLE |
| +035+ | 2.95 | John Means | 70.7 | BAL |
| +037+ | 2.94 | Clayton Kershaw | 79 | LAN |
| +038+ | 2.86 | Frankie Montas | 82 | OAK |
| +044+ | 2.73 | Marcus Stroman | 94.7 | TOR |
| +045+ | 2.66 | Walker Buehler | 82.3 | LAN |
| +046+ | 2.6 | Yonny Chirinos | 81 | TBA |
| +047+ | 2.59 | Masahiro Tanaka | 92 | NYA |
| +051+ | 2.48 | Zach Davies | 82.3 | MIL |
| +054+ | 2.44 | Jacob deGrom | 91 | NYN |
| +058+ | 2.35 | Rich Hill | 53 | LAN |
| +059+ | 2.33 | Gerrit Cole | 96.7 | HOU |
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