| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robbie Ray | TOR | 4.98 | 202109100_TOR_BAL |
| Adam Wainwright | SLN | 3.62 | 202109080_LAN_SLN |
| Carlos Rodon | CHA | 3.11 | 202109100_BOS_CHA |
| Marcus Stroman | NYN | 3.1 | 202109090_NYN_MIA |
| Ranger Suarez | PHI | 2.54 | 202109090_COL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | BAL | -5.44 | 202109080_KCA_BAL |
| Jesus Luzardo | MIA | -3.74 | 202109090_NYN_MIA |
| Griffin Jax | MIN | -2.39 | 202109100_KCA_MIN |
| Mike Minor | KCA | -2.32 | 202109080_KCA_BAL |
| Michael Wacha | TBA | -2.23 | 202109100_TBA_DET |
Based on accumulated WAA for this season up to 2021-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.84 | Walker Buehler | 179 | LAN |
| +003+ | 7.17 | Max Scherzer | 154 | TOT |
| +006+ | 6.47 | Brandon Woodruff | 163.3 | MIL |
| +007+ | 6.28 | Robbie Ray | 170.3 | TOR |
| +008+ | 6.06 | Corbin Burnes | 144 | MIL |
| +010+ | 5.99 | Kevin Gausman | 164 | SFN |
| +011+ | 5.84 | Zack Wheeler | 188.7 | PHI |
| +012+ | 5.69 | Marcus Stroman | 163 | NYN |
| +014+ | 5.52 | Carlos Rodon | 124.7 | CHA |
| +015+ | 5.46 | Adam Wainwright | 184.3 | SLN |
| +017+ | 5.42 | Gerrit Cole | 158.7 | NYA |
| +019+ | 5.36 | Lance Lynn | 135.7 | CHA |
| +022+ | 5.19 | Ranger Suarez | 78 | PHI |
| +031+ | 4.68 | Wade Miley | 155.7 | CIN |
| +034+ | 4.56 | Joe Musgrove | 159.7 | SDN |
| +036+ | 4.43 | Julio Urias | 163.3 | LAN |
| +037+ | 4.4 | Freddy Peralta | 127 | MIL |
| +043+ | 4.23 | Sandy Alcantara | 180.7 | MIA |
| +045+ | 4.19 | Logan Webb | 119.3 | SFN |
| +046+ | 4.18 | Trevor Rogers | 118.7 | MIA |
| +063+ | 3.64 | Cal Quantrill | 130.3 | CLE |
| +070+ | 3.42 | Chris Bassitt | 151 | OAK |
| +078+ | 3.17 | Kyle Gibson | 160 | TOT |
| +079+ | 3.16 | Lance McCullers | 138.3 | HOU |
| +094+ | 2.8 | Jose Berrios | 166.3 | TOT |
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