| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lance Lynn | CHA | 5.21 | 202108280_CHN_CHA |
| Corbin Burnes | MIL | 4.86 | 202108300_MIL_SFN |
| Robbie Ray | TOR | 4.38 | 202108300_BAL_TOR |
| Zack Wheeler | PHI | 4.25 | 202108300_PHI_WAS |
| Marcus Stroman | NYN | 3.25 | 202108280_WAS_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jesus Luzardo | MIA | -4.89 | 202108290_CIN_MIA |
| Michael Wacha | TBA | -2.56 | 202108280_TBA_BAL |
| Jose Urena | DET | -2.44 | 202108280_TOR_DET |
| Spenser Watkins | BAL | -1.51 | 202108290_TBA_BAL |
| Wil Crowe | PIT | -1.2 | 202108290_SLN_PIT |
Based on accumulated WAA for this season up to 2021-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.49 | Walker Buehler | 169 | LAN |
| +005+ | 6.31 | Brandon Woodruff | 151.3 | MIL |
| +007+ | 6.16 | Corbin Burnes | 139 | MIL |
| +008+ | 5.86 | Kevin Gausman | 152 | SFN |
| +009+ | 5.8 | Max Scherzer | 140 | TOT |
| +010+ | 5.79 | Robbie Ray | 159.3 | TOR |
| +014+ | 5.3 | Lance Lynn | 135.7 | CHA |
| +015+ | 5.22 | Marcus Stroman | 151.7 | NYN |
| +016+ | 5.18 | Zack Wheeler | 182.7 | PHI |
| +018+ | 4.97 | Gerrit Cole | 148 | NYA |
| +019+ | 4.94 | Adam Wainwright | 169.7 | SLN |
| +020+ | 4.9 | Carlos Rodon | 114.7 | CHA |
| +022+ | 4.86 | Freddy Peralta | 121.3 | MIL |
| +025+ | 4.78 | Wade Miley | 144.7 | CIN |
| +029+ | 4.45 | Joe Musgrove | 148.3 | SDN |
| +030+ | 4.43 | Kyle Gibson | 150 | TOT |
| +031+ | 4.29 | Ranger Suarez | 67 | PHI |
| +053+ | 3.66 | Logan Webb | 105.3 | SFN |
| +054+ | 3.57 | Sandy Alcantara | 165.3 | MIA |
| +055+ | 3.54 | Cal Quantrill | 116.7 | CLE |
| +061+ | 3.36 | Julio Urias | 150.7 | LAN |
| +064+ | 3.34 | Chris Bassitt | 151 | OAK |
| +077+ | 3.02 | Framber Valdez | 105 | HOU |
| +079+ | 3.01 | Shohei Ohtani | 105 | ANA |
| +089+ | 2.76 | Luis Garcia | 128.3 | HOU |
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