| Starter | Tm | Tier | Game |
|---|---|---|---|
| Max Scherzer | LAN | 5.96 | 202109120_SDN_LAN |
| Marcus Stroman | NYN | 3.52 | 202109140_SLN_NYN |
| Adam Wainwright | SLN | 3.19 | 202109130_SLN_NYN |
| Gerrit Cole | NYA | 3.15 | 202109140_NYA_BAL |
| Lance Lynn | CHA | 3.09 | 202109120_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Patrick Corbin | WAS | -6.44 | 202109120_WAS_PIT |
| J.A. Happ | SLN | -6.38 | 202109120_CIN_SLN |
| Jake Arrieta | SDN | -6.25 | 202109140_SDN_SFN |
| Jesus Luzardo | MIA | -3.57 | 202109140_MIA_WAS |
| Jordan Lyles | TEX | -3.38 | 202109140_HOU_TEX |
Based on accumulated WAA for this season up to 2021-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.15 | Walker Buehler | 186 | LAN |
| +002+ | 7.99 | Max Scherzer | 162 | TOT |
| +006+ | 6.87 | Corbin Burnes | 152 | MIL |
| +007+ | 6.51 | Brandon Woodruff | 163.3 | MIL |
| +009+ | 6.37 | Robbie Ray | 170.3 | TOR |
| +010+ | 6.35 | Zack Wheeler | 195.3 | PHI |
| +012+ | 6.07 | Adam Wainwright | 190.3 | SLN |
| +013+ | 5.99 | Kevin Gausman | 170 | SFN |
| +014+ | 5.89 | Marcus Stroman | 169 | NYN |
| +015+ | 5.88 | Lance Lynn | 140.7 | CHA |
| +016+ | 5.74 | Gerrit Cole | 163.7 | NYA |
| +017+ | 5.54 | Carlos Rodon | 124.7 | CHA |
| +024+ | 5.21 | Ranger Suarez | 78 | PHI |
| +026+ | 5.1 | Sandy Alcantara | 188.7 | MIA |
| +028+ | 5.02 | Freddy Peralta | 133 | MIL |
| +034+ | 4.66 | Joe Musgrove | 159.7 | SDN |
| +037+ | 4.49 | Julio Urias | 163.3 | LAN |
| +043+ | 4.23 | Trevor Rogers | 118.7 | MIA |
| +048+ | 4.14 | Wade Miley | 160 | CIN |
| +063+ | 3.76 | Logan Webb | 125.3 | SFN |
| +064+ | 3.72 | Cal Quantrill | 130.3 | CLE |
| +066+ | 3.68 | Collin McHugh | 57.7 | TBA |
| +068+ | 3.59 | Lance McCullers | 144.3 | HOU |
| +070+ | 3.48 | Chris Bassitt | 151 | OAK |
| +072+ | 3.38 | Jose Berrios | 173.3 | TOT |
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