| Starter | Tm | Tier | Game |
|---|---|---|---|
| Antonio Senzatela | COL | -4.64 | 201908300_PIT_COL |
| Edwin Jackson | DET | -4.5 | 201908300_MIN_DET |
| Jorge Lopez | KCA | -3.7 | 201908310_BAL_KCA |
| J.A. Happ | NYA | -2.04 | 201909010_OAK_NYA |
| Jose Suarez | ANA | -1.95 | 201908300_BOS_ANA |
Based on accumulated WAA for this season up to 2019-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.66 | Justin Verlander | 193 | HOU |
| +004+ | 8 | Hyun-Jin Ryu | 157.3 | LAN |
| +006+ | 7.14 | Jacob deGrom | 169 | NYN |
| +008+ | 7.07 | Mike Soroka | 147.7 | ATL |
| +009+ | 6.92 | Gerrit Cole | 170.3 | HOU |
| +010+ | 6.88 | Max Scherzer | 142.7 | WAS |
| +014+ | 6.23 | Sonny Gray | 151.3 | CIN |
| +015+ | 6.13 | Zack Greinke | 177.3 | TOT |
| +021+ | 5.65 | Clayton Kershaw | 155 | LAN |
| +022+ | 5.48 | Charlie Morton | 170.3 | TBA |
| +023+ | 5.43 | Patrick Corbin | 174.7 | WAS |
| +024+ | 5.4 | Shane Bieber | 181.7 | CLE |
| +027+ | 5.27 | Luis Castillo | 166 | CIN |
| +029+ | 5.21 | Wade Miley | 156 | HOU |
| +033+ | 5.01 | Lucas Giolito | 163.7 | CHA |
| +041+ | 4.57 | Marcus Stroman | 156.3 | TOT |
| +042+ | 4.44 | Jack Flaherty | 152.3 | SLN |
| +043+ | 4.42 | Stephen Strasburg | 179 | WAS |
| +049+ | 4.22 | Aaron Nola | 174.7 | PHI |
| +052+ | 4.1 | Julio Teheran | 157.3 | ATL |
| +060+ | 3.66 | Mike Clevinger | 86 | CLE |
| +061+ | 3.64 | Kyle Hendricks | 148 | CHN |
| +065+ | 3.52 | Dakota Hudson | 147.7 | SLN |
| +067+ | 3.51 | Jose Berrios | 169 | MIN |
| +068+ | 3.48 | Madison Bumgarner | 176.7 | SFN |
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