| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Gausman | SFN | 5.56 | 202108160_NYN_SFN |
| Lance Lynn | CHA | 4.85 | 202108180_OAK_CHA |
| Corbin Burnes | MIL | 4.46 | 202108170_MIL_SLN |
| Marcus Stroman | NYN | 3.65 | 202108170_NYN_SFN |
| Chris Bassitt | OAK | 2.29 | 202108170_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jake Arrieta | SDN | -5.27 | 202108180_SDN_COL |
| Matt Harvey | BAL | -4.03 | 202108160_BAL_TBA |
| Mike Foltynewicz | TEX | -3.39 | 202108180_SEA_TEX |
| Jesus Luzardo | MIA | -3.21 | 202108180_ATL_MIA |
| Andrew Heaney | NYA | -3.11 | 202108180_BOS_NYA |
Based on accumulated WAA for this season up to 2021-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.63 | Walker Buehler | 154.7 | LAN |
| +004+ | 6.48 | Brandon Woodruff | 140.3 | MIL |
| +005+ | 6.36 | Zack Wheeler | 162 | PHI |
| +007+ | 6.02 | Corbin Burnes | 127 | MIL |
| +009+ | 5.81 | Lance Lynn | 123.7 | CHA |
| +010+ | 5.73 | Kevin Gausman | 142.3 | SFN |
| +016+ | 4.86 | Marcus Stroman | 139.7 | NYN |
| +017+ | 4.84 | Freddy Peralta | 121.3 | MIL |
| +018+ | 4.83 | Carlos Rodon | 109.7 | CHA |
| +019+ | 4.8 | Max Scherzer | 127.3 | TOT |
| +020+ | 4.53 | Robbie Ray | 137.3 | TOR |
| +031+ | 4.03 | Wade Miley | 133 | CIN |
| +040+ | 3.78 | Gerrit Cole | 136 | NYA |
| +046+ | 3.55 | Ranger Suarez | 55 | PHI |
| +048+ | 3.49 | Adam Wainwright | 154.7 | SLN |
| +053+ | 3.36 | Chris Bassitt | 151 | OAK |
| +054+ | 3.33 | Shohei Ohtani | 100 | ANA |
| +055+ | 3.3 | Joe Musgrove | 133.3 | SDN |
| +056+ | 3.29 | Kyle Gibson | 136 | TOT |
| +067+ | 3.01 | Collin McHugh | 46.7 | TBA |
| +077+ | 2.82 | Sandy Alcantara | 151.3 | MIA |
| +078+ | 2.81 | Julio Urias | 139.7 | LAN |
| +081+ | 2.7 | Anthony DeSclafani | 132.7 | SFN |
| +083+ | 2.68 | Jack Flaherty | 74 | SLN |
| +085+ | 2.6 | Logan Webb | 92.3 | SFN |
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