| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Gausman | SFN | 5.56 | 202108160_NYN_SFN |
| Corbin Burnes | MIL | 4.46 | 202108170_MIL_SLN |
| Marcus Stroman | NYN | 3.65 | 202108170_NYN_SFN |
| Max Scherzer | LAN | 3.59 | 202108150_LAN_NYN |
| Chris Bassitt | OAK | 2.29 | 202108170_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | SLN | -5.06 | 202108150_SLN_KCA |
| Keegan Akin | BAL | -4.47 | 202108150_BAL_BOS |
| Dylan Bundy | ANA | -2.96 | 202108170_ANA_DET |
| Eli Morgan | CLE | -1.44 | 202108170_CLE_MIN |
| Eduardo Rodriguez | BOS | -1.16 | 202108150_BAL_BOS |
Based on accumulated WAA for this season up to 2021-08-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.62 | Walker Buehler | 154.7 | LAN |
| +004+ | 6.49 | Brandon Woodruff | 140.3 | MIL |
| +005+ | 6.34 | Zack Wheeler | 162 | PHI |
| +007+ | 6.03 | Corbin Burnes | 127 | MIL |
| +008+ | 5.77 | Kevin Gausman | 142.3 | SFN |
| +010+ | 5.62 | Lance Lynn | 119.7 | CHA |
| +012+ | 5.29 | Freddy Peralta | 119.3 | MIL |
| +015+ | 4.91 | Marcus Stroman | 139.7 | NYN |
| +017+ | 4.83 | Carlos Rodon | 109.7 | CHA |
| +018+ | 4.8 | Max Scherzer | 127.3 | TOT |
| +021+ | 4.52 | Robbie Ray | 137.3 | TOR |
| +033+ | 4.03 | Wade Miley | 133 | CIN |
| +039+ | 3.71 | Ranger Suarez | 50.3 | PHI |
| +042+ | 3.67 | Gerrit Cole | 136 | NYA |
| +047+ | 3.51 | Adam Wainwright | 154.7 | SLN |
| +052+ | 3.34 | Chris Bassitt | 151 | OAK |
| +053+ | 3.29 | Kyle Gibson | 136 | TOT |
| +054+ | 3.29 | Joe Musgrove | 133.3 | SDN |
| +060+ | 3.01 | Collin McHugh | 46.7 | TBA |
| +070+ | 2.82 | Sandy Alcantara | 151.3 | MIA |
| +072+ | 2.81 | Julio Urias | 139.7 | LAN |
| +078+ | 2.75 | Shohei Ohtani | 92 | ANA |
| +083+ | 2.62 | Logan Webb | 92.3 | SFN |
| +084+ | 2.61 | Anthony DeSclafani | 131.3 | SFN |
| +088+ | 2.55 | Cristian Javier | 84.7 | HOU |
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