| Starter | Tm | Tier | Game |
|---|---|---|---|
| Justin Verlander | HOU | 6.46 | 201909010_HOU_TOR |
| Jacob deGrom | NYN | 5.43 | 201909030_NYN_WAS |
| Mike Soroka | ATL | 5.04 | 201909020_TOR_ATL |
| Max Scherzer | WAS | 4.99 | 201909030_NYN_WAS |
| Luis Castillo | CIN | 2.72 | 201909012_CIN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Drew Smyly | PHI | -4.32 | 201909020_PHI_CIN |
| Ty Blach | BAL | -2.59 | 201909031_BAL_TBA |
| Jordan Zimmermann | DET | -2.3 | 201909020_MIN_DET |
| Peter Lambert | COL | -2.24 | 201909020_COL_LAN |
| Rick Porcello | BOS | -2.13 | 201909030_MIN_BOS |
Based on accumulated WAA for this season up to 2019-09-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.65 | Justin Verlander | 193 | HOU |
| +006+ | 7.33 | Gerrit Cole | 176.3 | HOU |
| +008+ | 7.03 | Jacob deGrom | 176 | NYN |
| +009+ | 6.96 | Mike Soroka | 152.7 | ATL |
| +011+ | 6.66 | Max Scherzer | 148.7 | WAS |
| +014+ | 6.22 | Sonny Gray | 151.3 | CIN |
| +018+ | 6.01 | Mike Minor | 181.7 | TEX |
| +019+ | 5.91 | Zack Greinke | 183.3 | TOT |
| +022+ | 5.64 | Clayton Kershaw | 155 | LAN |
| +023+ | 5.46 | Charlie Morton | 170.3 | TBA |
| +024+ | 5.42 | Patrick Corbin | 174.7 | WAS |
| +025+ | 5.39 | Shane Bieber | 181.7 | CLE |
| +027+ | 5.27 | Jack Flaherty | 160.3 | SLN |
| +029+ | 5.26 | Luis Castillo | 166 | CIN |
| +031+ | 5.2 | Wade Miley | 156 | HOU |
| +033+ | 5.01 | Lucas Giolito | 163.7 | CHA |
| +039+ | 4.63 | Walker Buehler | 159.3 | LAN |
| +041+ | 4.58 | Marcus Stroman | 156.3 | TOT |
| +044+ | 4.41 | Stephen Strasburg | 179 | WAS |
| +050+ | 4.21 | Aaron Nola | 174.7 | PHI |
| +052+ | 4.09 | Julio Teheran | 157.3 | ATL |
| +053+ | 4.05 | Kyle Hendricks | 154 | CHN |
| +054+ | 3.97 | Mike Clevinger | 93 | CLE |
| +057+ | 3.71 | Mike Fiers | 169 | OAK |
| +066+ | 3.5 | Madison Bumgarner | 176.7 | SFN |
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