| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walker Buehler | LAN | 8.26 | 202108140_LAN_NYN |
| Kevin Gausman | SFN | 5.56 | 202108160_NYN_SFN |
| Joe Musgrove | SDN | 2.37 | 202108140_SDN_ARI |
| Gerrit Cole | NYA | 2.02 | 202108160_ANA_NYA |
| Wade Miley | CIN | 1.73 | 202108160_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | SLN | -5.06 | 202108150_SLN_KCA |
| Keegan Akin | BAL | -4.47 | 202108150_BAL_BOS |
| Patrick Corbin | WAS | -2.95 | 202108140_ATL_WAS |
| Brad Keller | KCA | -2.9 | 202108140_SLN_KCA |
| Mitch Keller | PIT | -2.59 | 202108142_MIL_PIT |
Based on accumulated WAA for this season up to 2021-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.66 | Walker Buehler | 154.7 | LAN |
| +004+ | 6.52 | Brandon Woodruff | 140.3 | MIL |
| +005+ | 6.37 | Zack Wheeler | 162 | PHI |
| +007+ | 5.81 | Kevin Gausman | 142.3 | SFN |
| +009+ | 5.65 | Lance Lynn | 119.7 | CHA |
| +010+ | 5.48 | Corbin Burnes | 121 | MIL |
| +012+ | 5.32 | Freddy Peralta | 119.3 | MIL |
| +015+ | 4.86 | Carlos Rodon | 109.7 | CHA |
| +016+ | 4.86 | Marcus Stroman | 132.7 | NYN |
| +017+ | 4.84 | Max Scherzer | 127.3 | TOT |
| +020+ | 4.54 | Robbie Ray | 137.3 | TOR |
| +034+ | 4.06 | Wade Miley | 133 | CIN |
| +037+ | 3.9 | Chris Bassitt | 150 | OAK |
| +039+ | 3.77 | Gerrit Cole | 136 | NYA |
| +042+ | 3.72 | Ranger Suarez | 50.3 | PHI |
| +051+ | 3.38 | Adam Wainwright | 148.7 | SLN |
| +053+ | 3.36 | Kyle Gibson | 130 | TOT |
| +054+ | 3.31 | Joe Musgrove | 133.3 | SDN |
| +060+ | 3.02 | Collin McHugh | 46.7 | TBA |
| +068+ | 2.85 | Julio Urias | 139.7 | LAN |
| +073+ | 2.78 | Shohei Ohtani | 92 | ANA |
| +082+ | 2.64 | Anthony DeSclafani | 131.3 | SFN |
| +085+ | 2.56 | Cristian Javier | 84.7 | HOU |
| +088+ | 2.54 | Lance McCullers | 114.7 | HOU |
| +089+ | 2.53 | Jack Flaherty | 68 | SLN |
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