| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nick Pivetta | PHI | -4.49 | 201905280_SLN_PHI |
| Manny Banuelos | CHA | -2.44 | 201905300_CLE_CHA |
| Antonio Senzatela | COL | -2.13 | 201905280_ARI_COL |
| Ryan Carpenter | DET | -1.71 | 201905290_DET_BAL |
| Steven Brault | PIT | -1.66 | 201905290_PIT_CIN |
Based on accumulated WAA for this season up to 2019-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.99 | Hyun-Jin Ryu | 73 | LAN |
| +003+ | 4.03 | Justin Verlander | 79.3 | HOU |
| +005+ | 3.9 | Mike Soroka | 50.7 | ATL |
| +011+ | 3.37 | Luis Castillo | 69.7 | CIN |
| +014+ | 3.09 | Jake Odorizzi | 58.3 | MIN |
| +015+ | 3.07 | Zach Davies | 61.7 | MIL |
| +016+ | 2.98 | Mike Minor | 75.7 | TEX |
| +017+ | 2.77 | Zack Greinke | 77.7 | ARI |
| +018+ | 2.75 | Charlie Morton | 67.3 | TBA |
| +020+ | 2.71 | Patrick Corbin | 72.7 | WAS |
| +021+ | 2.68 | Marcus Stroman | 69 | TOR |
| +022+ | 2.66 | Chris Paddack | 56.3 | SDN |
| +026+ | 2.58 | Matt Boyd | 72.7 | DET |
| +034+ | 2.41 | Lucas Giolito | 60 | CHA |
| +036+ | 2.32 | Stephen Strasburg | 79 | WAS |
| +039+ | 2.21 | Frankie Montas | 64 | OAK |
| +040+ | 2.15 | Max Scherzer | 77.3 | WAS |
| +041+ | 2.11 | John Means | 54.7 | BAL |
| +048+ | 2.02 | Zach Eflin | 65.7 | PHI |
| +049+ | 2.01 | Kyle Hendricks | 70 | CHN |
| +051+ | 1.99 | Spencer Turnbull | 60.7 | DET |
| +054+ | 1.94 | Wade Miley | 69.3 | HOU |
| +055+ | 1.92 | Masahiro Tanaka | 70.3 | NYA |
| +058+ | 1.91 | Liam Hendriks | 31.7 | OAK |
| +060+ | 1.85 | Luke Weaver | 62.3 | ARI |
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