| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | SLN | -5.89 | 202109241_SLN_CHN |
| Jesus Luzardo | MIA | -5.12 | 202109260_MIA_TBA |
| Zach Davies | CHN | -3.27 | 202109242_SLN_CHN |
| Jordan Lyles | TEX | -3.2 | 202109250_TEX_BAL |
| Griffin Jax | MIN | -3.12 | 202109260_TOR_MIN |
Based on accumulated WAA for this season up to 2021-09-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.08 | Max Scherzer | 174 | TOT |
| +003+ | 7.42 | Walker Buehler | 195.7 | LAN |
| +004+ | 7.31 | Corbin Burnes | 165 | MIL |
| +006+ | 7.1 | Robbie Ray | 188 | TOR |
| +009+ | 6.98 | Zack Wheeler | 206.3 | PHI |
| +010+ | 6.85 | Brandon Woodruff | 175.3 | MIL |
| +012+ | 6.44 | Ranger Suarez | 99 | PHI |
| +019+ | 5.62 | Adam Wainwright | 200.3 | SLN |
| +020+ | 5.61 | Lance Lynn | 152 | CHA |
| +021+ | 5.57 | Marcus Stroman | 174 | NYN |
| +022+ | 5.52 | Kevin Gausman | 185 | SFN |
| +023+ | 5.48 | Carlos Rodon | 127.7 | CHA |
| +024+ | 5.43 | Sandy Alcantara | 200.7 | MIA |
| +032+ | 4.91 | Cal Quantrill | 143.7 | CLE |
| +038+ | 4.79 | Julio Urias | 179.3 | LAN |
| +039+ | 4.77 | Gerrit Cole | 175.3 | NYA |
| +040+ | 4.73 | Trevor Rogers | 128 | MIA |
| +043+ | 4.66 | Freddy Peralta | 144.3 | MIL |
| +055+ | 4.2 | Max Fried | 158.7 | ATL |
| +057+ | 4.09 | Joe Musgrove | 176.3 | SDN |
| +069+ | 3.75 | Chris Bassitt | 154 | OAK |
| +071+ | 3.69 | Lance McCullers | 156.3 | HOU |
| +076+ | 3.61 | Framber Valdez | 129.7 | HOU |
| +077+ | 3.54 | Logan Webb | 136.3 | SFN |
| +079+ | 3.5 | John Means | 143.7 | BAL |
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