| Starter | Tm | Tier | Game |
|---|---|---|---|
| Max Scherzer | LAN | 6.76 | 202109180_LAN_CIN |
| Corbin Burnes | MIL | 4.88 | 202109180_CHN_MIL |
| Robbie Ray | TOR | 4.61 | 202109200_TOR_TBA |
| Adam Wainwright | SLN | 3.7 | 202109180_SDN_SLN |
| Lance Lynn | CHA | 3.43 | 202109180_CHA_TEX |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jake Arrieta | SDN | -5.99 | 202109190_SDN_SLN |
| Patrick Corbin | WAS | -5.39 | 202109180_COL_WAS |
| J.A. Happ | SLN | -4.74 | 202109190_SDN_SLN |
| Jesus Luzardo | MIA | -3.99 | 202109200_WAS_MIA |
| Jordan Lyles | TEX | -2.26 | 202109190_CHA_TEX |
Based on accumulated WAA for this season up to 2021-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.65 | Max Scherzer | 169 | TOT |
| +002+ | 8.11 | Walker Buehler | 192 | LAN |
| +006+ | 6.83 | Corbin Burnes | 158 | MIL |
| +008+ | 6.69 | Robbie Ray | 182 | TOR |
| +009+ | 6.62 | Zack Wheeler | 200.3 | PHI |
| +011+ | 6.47 | Brandon Woodruff | 169.3 | MIL |
| +013+ | 6.23 | Adam Wainwright | 196.3 | SLN |
| +015+ | 6.21 | Lance Lynn | 146 | CHA |
| +016+ | 5.86 | Marcus Stroman | 169 | NYN |
| +019+ | 5.6 | Kevin Gausman | 175 | SFN |
| +020+ | 5.56 | Ranger Suarez | 90 | PHI |
| +021+ | 5.43 | Sandy Alcantara | 194.7 | MIA |
| +023+ | 5.42 | Carlos Rodon | 127.7 | CHA |
| +032+ | 4.98 | Freddy Peralta | 139 | MIL |
| +035+ | 4.81 | Gerrit Cole | 169.3 | NYA |
| +037+ | 4.64 | Joe Musgrove | 165.7 | SDN |
| +039+ | 4.56 | Julio Urias | 168.3 | LAN |
| +042+ | 4.39 | Trevor Rogers | 122.7 | MIA |
| +044+ | 4.33 | Cal Quantrill | 137 | CLE |
| +057+ | 3.99 | Logan Webb | 132.3 | SFN |
| +064+ | 3.73 | Lance McCullers | 150.3 | HOU |
| +067+ | 3.64 | John Means | 138.7 | BAL |
| +072+ | 3.46 | Chris Bassitt | 151 | OAK |
| +074+ | 3.42 | Jose Berrios | 180 | TOT |
| +076+ | 3.39 | Anthony DeSclafani | 158.7 | SFN |
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