| Starter | Tm | Tier | Game |
|---|---|---|---|
| Homer Bailey | KCA | -4.73 | 201905100_PHI_KCA |
| Dylan Covey | CHA | -2.67 | 201905100_CHA_TOR |
| Shelby Miller | TEX | -2.39 | 201905080_TEX_PIT |
| Tyson Ross | DET | -2.01 | 201905100_DET_MIN |
| Trevor Cahill | ANA | -1.7 | 201905100_ANA_BAL |
Based on accumulated WAA for this season up to 2019-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.35 | Luis Castillo | 56.3 | CIN |
| +005+ | 2.64 | Tyler Glasnow | 48.3 | TBA |
| +006+ | 2.6 | Chris Paddack | 40.7 | SDN |
| +007+ | 2.53 | Zach Davies | 40.3 | MIL |
| +008+ | 2.51 | Justin Verlander | 57.3 | HOU |
| +010+ | 2.37 | Hyun-Jin Ryu | 44.3 | LAN |
| +013+ | 2.27 | Jose Berrios | 53.3 | MIN |
| +015+ | 2.19 | Caleb Smith | 42.7 | MIA |
| +017+ | 2.17 | Mike Soroka | 29.7 | ATL |
| +019+ | 2.13 | Jon Lester | 32 | CHN |
| +021+ | 2.04 | Mike Minor | 53.7 | TEX |
| +023+ | 2.03 | Jake Odorizzi | 42.7 | MIN |
| +025+ | 1.9 | Jerad Eickhoff | 30 | PHI |
| +029+ | 1.83 | Spencer Turnbull | 39 | DET |
| +038+ | 1.72 | Matt Boyd | 50.3 | DET |
| +043+ | 1.63 | Domingo German | 43.3 | NYA |
| +045+ | 1.61 | Charlie Morton | 44.3 | TBA |
| +050+ | 1.56 | Jordan Lyles | 32.7 | PIT |
| +058+ | 1.5 | Marco Gonzales | 52.7 | SEA |
| +057+ | 1.5 | Frankie Montas | 45.3 | OAK |
| +059+ | 1.47 | Martin Perez | 41.3 | MIN |
| +061+ | 1.42 | Marcus Stroman | 45.7 | TOR |
| +062+ | 1.41 | John Means | 32.7 | BAL |
| +063+ | 1.41 | Trevor Bauer | 52.7 | CLE |
| +066+ | 1.36 | Patrick Corbin | 50.7 | WAS |
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