Based on accumulated WAA for this season up to 2019-08-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.52 | Justin Verlander | 157.7 | HOU |
| +006+ | 6.26 | Luis Castillo | 137 | CIN |
| +008+ | 6 | Gerrit Cole | 150.7 | HOU |
| +011+ | 5.71 | Mike Soroka | 121 | ATL |
| +012+ | 5.61 | Jacob deGrom | 143 | NYN |
| +014+ | 5.47 | Charlie Morton | 143 | TBA |
| +017+ | 5.29 | Zack Greinke | 146 | ARI |
| +019+ | 4.93 | Mike Minor | 147 | TEX |
| +020+ | 4.73 | Clayton Kershaw | 123 | LAN |
| +023+ | 4.36 | Marcus Stroman | 129 | TOT |
| +024+ | 4.34 | Wade Miley | 132.7 | HOU |
| +029+ | 4.23 | Kyle Hendricks | 126.7 | CHN |
| +031+ | 4.15 | Shane Bieber | 149.3 | CLE |
| +036+ | 4.03 | Cole Hamels | 104.7 | CHN |
| +038+ | 3.92 | Walker Buehler | 131.3 | LAN |
| +044+ | 3.63 | Patrick Corbin | 141.7 | WAS |
| +046+ | 3.59 | Sonny Gray | 121.7 | CIN |
| +050+ | 3.45 | Lucas Giolito | 130.7 | CHA |
| +052+ | 3.22 | Chris Paddack | 104.3 | SDN |
| +057+ | 3.15 | Mike Fiers | 140.3 | OAK |
| +059+ | 3.08 | Julio Teheran | 130 | ATL |
| +068+ | 2.77 | Aaron Nola | 142.3 | PHI |
| +069+ | 2.76 | Stephen Strasburg | 145.3 | WAS |
| +073+ | 2.73 | Lance Lynn | 148 | TEX |
| +072+ | 2.73 | Caleb Smith | 102 | MIA |
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