| Starter | Tm | Tier | Game |
|---|---|---|---|
| Homer Bailey | KCA | -3.15 | 201906180_KCA_SEA |
| Jeff Hoffman | COL | -2.98 | 201906200_COL_ARI |
| Ivan Nova | CHA | -2.85 | 201906180_CHA_CHN |
| Clayton Richard | TOR | -2.72 | 201906200_ANA_TOR |
| Drew Pomeranz | SFN | -1.99 | 201906190_SFN_LAN |
Based on accumulated WAA for this season up to 2019-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.93 | Hyun-Jin Ryu | 93 | LAN |
| +003+ | 4.69 | Luis Castillo | 87.7 | CIN |
| +005+ | 4.64 | Max Scherzer | 106.3 | WAS |
| +006+ | 4.64 | Mike Minor | 103.7 | TEX |
| +008+ | 4.55 | Charlie Morton | 93.7 | TBA |
| +009+ | 4.54 | Justin Verlander | 107.7 | HOU |
| +014+ | 4.04 | Mike Soroka | 76.3 | ATL |
| +016+ | 3.69 | Lucas Giolito | 85.3 | CHA |
| +018+ | 3.57 | Jose Berrios | 97.7 | MIN |
| +021+ | 3.47 | Frankie Montas | 90 | OAK |
| +022+ | 3.46 | Jake Odorizzi | 80.3 | MIN |
| +024+ | 3.42 | Zack Greinke | 102 | ARI |
| +026+ | 3.35 | Cole Hamels | 91.7 | CHN |
| +029+ | 3.23 | Zach Eflin | 86 | PHI |
| +036+ | 2.98 | Trevor Bauer | 108.3 | CLE |
| +037+ | 2.97 | John Means | 70.7 | BAL |
| +038+ | 2.96 | Clayton Kershaw | 79 | LAN |
| +044+ | 2.73 | Marcus Stroman | 94.7 | TOR |
| +048+ | 2.62 | Yonny Chirinos | 81 | TBA |
| +049+ | 2.6 | Masahiro Tanaka | 92 | NYA |
| +052+ | 2.5 | Zach Davies | 82.3 | MIL |
| +055+ | 2.47 | Jacob deGrom | 91 | NYN |
| +061+ | 2.36 | Gerrit Cole | 96.7 | HOU |
| +062+ | 2.35 | Rich Hill | 53 | LAN |
| +064+ | 2.28 | Spencer Turnbull | 82.7 | DET |
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