| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walker Buehler | LAN | 10.35 | 202109050_LAN_SFN |
| Brandon Woodruff | MIL | 5.44 | 202109060_PHI_MIL |
| Robbie Ray | TOR | 4.32 | 202109050_OAK_TOR |
| Kevin Gausman | SFN | 4.14 | 202109060_SFN_COL |
| Gerrit Cole | NYA | 3.5 | 202109070_TOR_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Patrick Corbin | WAS | -6.54 | 202109060_NYN_WAS |
| J.A. Happ | SLN | -6.13 | 202109070_LAN_SLN |
| Keegan Akin | BAL | -3.86 | 202109050_BAL_NYA |
| Chi Chi Gonzalez | COL | -3.38 | 202109070_SFN_COL |
| Griffin Jax | MIN | -1.89 | 202109050_MIN_TBA |
Based on accumulated WAA for this season up to 2021-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.83 | Walker Buehler | 179 | LAN |
| +003+ | 7.2 | Max Scherzer | 154 | TOT |
| +006+ | 6.49 | Brandon Woodruff | 163.3 | MIL |
| +007+ | 6.49 | Robbie Ray | 166 | TOR |
| +008+ | 6.08 | Corbin Burnes | 144 | MIL |
| +009+ | 6 | Kevin Gausman | 164 | SFN |
| +010+ | 5.86 | Zack Wheeler | 188.7 | PHI |
| +014+ | 5.5 | Adam Wainwright | 176 | SLN |
| +015+ | 5.42 | Gerrit Cole | 158.7 | NYA |
| +017+ | 5.36 | Lance Lynn | 135.7 | CHA |
| +019+ | 5.29 | Marcus Stroman | 156.7 | NYN |
| +020+ | 5.23 | Carlos Rodon | 119.7 | CHA |
| +026+ | 4.81 | Ranger Suarez | 72 | PHI |
| +032+ | 4.7 | Wade Miley | 155.7 | CIN |
| +033+ | 4.62 | Joe Musgrove | 153.7 | SDN |
| +034+ | 4.61 | Trevor Rogers | 114.3 | MIA |
| +039+ | 4.27 | Freddy Peralta | 123.3 | MIL |
| +042+ | 4.2 | Logan Webb | 119.3 | SFN |
| +058+ | 3.75 | Julio Urias | 156.3 | LAN |
| +061+ | 3.58 | Sandy Alcantara | 171.7 | MIA |
| +062+ | 3.44 | Chris Bassitt | 151 | OAK |
| +068+ | 3.35 | Kyle Gibson | 155.3 | TOT |
| +070+ | 3.31 | Shohei Ohtani | 112 | ANA |
| +078+ | 3.18 | Lance McCullers | 138.3 | HOU |
| +080+ | 3.11 | Cal Quantrill | 122.7 | CLE |
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