| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hyun-Jin Ryu | LAN | 14.53 | 201908170_LAN_ATL |
| Mike Soroka | ATL | 5.38 | 201908160_LAN_ATL |
| Luis Castillo | CIN | 5.26 | 201908160_SLN_CIN |
| Justin Verlander | HOU | 5.08 | 201908160_HOU_OAK |
| Jacob deGrom | NYN | 4.96 | 201908170_NYN_KCA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Zimmermann | DET | -4.1 | 201908170_DET_TBA |
| Drew Smyly | PHI | -3.86 | 201908150_CHN_PHI |
| Rick Porcello | BOS | -3.05 | 201908160_BAL_BOS |
| Aaron Brooks | BAL | -2.26 | 201908160_BAL_BOS |
| Aaron Sanchez | HOU | -2.23 | 201908150_HOU_OAK |
Based on accumulated WAA for this season up to 2019-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.02 | Hyun-Jin Ryu | 148.3 | LAN |
| +005+ | 6.81 | Jacob deGrom | 155 | NYN |
| +008+ | 6.65 | Justin Verlander | 169.7 | HOU |
| +009+ | 6.62 | Mike Soroka | 134.7 | ATL |
| +012+ | 6.09 | Clayton Kershaw | 137 | LAN |
| +013+ | 6.08 | Mike Minor | 162 | TEX |
| +015+ | 6.04 | Charlie Morton | 156 | TBA |
| +019+ | 5.25 | Luis Castillo | 148 | CIN |
| +023+ | 4.88 | Sonny Gray | 132.7 | CIN |
| +024+ | 4.8 | Shane Bieber | 162.3 | CLE |
| +028+ | 4.56 | Wade Miley | 141.7 | HOU |
| +032+ | 4.37 | Marcus Stroman | 140.3 | TOT |
| +033+ | 4.32 | Patrick Corbin | 153.7 | WAS |
| +039+ | 4.03 | Walker Buehler | 141.3 | LAN |
| +041+ | 4.01 | Lucas Giolito | 142.7 | CHA |
| +040+ | 4.01 | Jose Berrios | 157.7 | MIN |
| +048+ | 3.76 | Lance Lynn | 160 | TEX |
| +050+ | 3.73 | Kyle Hendricks | 136.3 | CHN |
| +056+ | 3.56 | Mike Fiers | 153.3 | OAK |
| +061+ | 3.37 | Aaron Nola | 154.3 | PHI |
| +063+ | 3.28 | Jack Flaherty | 135.3 | SLN |
| +071+ | 3.04 | Madison Bumgarner | 158.7 | SFN |
| +074+ | 2.97 | Chris Paddack | 115 | SDN |
| +076+ | 2.95 | Jeff Samardzija | 139.7 | SFN |
| +084+ | 2.82 | Jake Odorizzi | 126 | MIN |
_