| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walker Buehler | LAN | 6.53 | 202109220_LAN_COL |
| Robbie Ray | TOR | 4.61 | 202109200_TOR_TBA |
| Zack Wheeler | PHI | 4.15 | 202109220_BAL_PHI |
| Brandon Woodruff | MIL | 3.95 | 202109210_SLN_MIL |
| Marcus Stroman | NYN | 3.16 | 202109210_NYN_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Keegan Akin | BAL | -4.54 | 202109220_BAL_PHI |
| Jesus Luzardo | MIA | -3.99 | 202109200_WAS_MIA |
| Griffin Jax | MIN | -2.44 | 202109210_MIN_CHN |
| Mitch Keller | PIT | -2.31 | 202109210_PIT_CIN |
| Vince Velasquez | SDN | -2.08 | 202109220_SFN_SDN |
Based on accumulated WAA for this season up to 2021-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.65 | Max Scherzer | 169 | TOT |
| +003+ | 7.43 | Walker Buehler | 195.7 | LAN |
| +006+ | 7 | Zack Wheeler | 206.3 | PHI |
| +008+ | 6.85 | Brandon Woodruff | 175.3 | MIL |
| +009+ | 6.84 | Corbin Burnes | 158 | MIL |
| +011+ | 6.7 | Robbie Ray | 182 | TOR |
| +013+ | 6.23 | Adam Wainwright | 196.3 | SLN |
| +014+ | 6.22 | Lance Lynn | 146 | CHA |
| +019+ | 5.55 | Marcus Stroman | 174 | NYN |
| +018+ | 5.55 | Ranger Suarez | 90 | PHI |
| +022+ | 5.43 | Carlos Rodon | 127.7 | CHA |
| +023+ | 5.43 | Sandy Alcantara | 194.7 | MIA |
| +029+ | 5.16 | Kevin Gausman | 179 | SFN |
| +032+ | 4.98 | Freddy Peralta | 139 | MIL |
| +035+ | 4.88 | Cal Quantrill | 143.7 | CLE |
| +037+ | 4.81 | Gerrit Cole | 169.3 | NYA |
| +039+ | 4.71 | Trevor Rogers | 128 | MIA |
| +048+ | 4.31 | Julio Urias | 174.3 | LAN |
| +053+ | 4.15 | Joe Musgrove | 171.3 | SDN |
| +057+ | 4 | Logan Webb | 132.3 | SFN |
| +065+ | 3.7 | Lance McCullers | 150.3 | HOU |
| +069+ | 3.64 | John Means | 138.7 | BAL |
| +074+ | 3.46 | Chris Bassitt | 151 | OAK |
| +075+ | 3.43 | Jose Berrios | 180 | TOT |
| +076+ | 3.4 | Anthony DeSclafani | 158.7 | SFN |
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