| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | MIN | -5 | 202107280_DET_MIN |
| Jorge Lopez | BAL | -4.67 | 202107280_MIA_BAL |
| Brad Keller | KCA | -3.09 | 202107270_CHA_KCA |
| Jordan Lyles | TEX | -2.3 | 202107280_ARI_TEX |
| Andrew Heaney | ANA | -1.86 | 202107280_COL_ANA |
Based on accumulated WAA for this season up to 2021-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.38 | Walker Buehler | 135.7 | LAN |
| +006+ | 5.82 | Brandon Woodruff | 126 | MIL |
| +007+ | 5.71 | Lance Lynn | 103.7 | CHA |
| +008+ | 5.67 | Zack Wheeler | 132.7 | PHI |
| +010+ | 5.48 | Kevin Gausman | 122 | SFN |
| +012+ | 4.78 | Carlos Rodon | 100.7 | CHA |
| +013+ | 4.77 | Corbin Burnes | 102 | MIL |
| +015+ | 4.62 | Marcus Stroman | 116.7 | NYN |
| +019+ | 4.35 | Freddy Peralta | 102 | MIL |
| +020+ | 4.34 | Gerrit Cole | 125 | NYA |
| +033+ | 3.56 | Max Scherzer | 105 | WAS |
| +036+ | 3.51 | Kyle Gibson | 113 | TEX |
| +040+ | 3.27 | Sean Manaea | 122.7 | OAK |
| +041+ | 3.25 | Robbie Ray | 118.3 | TOR |
| +045+ | 3.14 | Wade Miley | 107 | CIN |
| +049+ | 2.96 | Anthony DeSclafani | 122 | SFN |
| +059+ | 2.55 | Joe Musgrove | 109.3 | SDN |
| +061+ | 2.53 | John Means | 82.7 | BAL |
| +062+ | 2.52 | Sandy Alcantara | 125.7 | MIA |
| +068+ | 2.47 | Danny Duffy | 61 | KCA |
| +078+ | 2.32 | Yu Darvish | 115.7 | SDN |
| +084+ | 2.24 | Aaron Loup | 32.7 | NYN |
| +087+ | 2.19 | Cristian Javier | 77.3 | HOU |
| +089+ | 2.14 | Shohei Ohtani | 80 | ANA |
| +092+ | 2.11 | Craig Stammen | 59 | SDN |
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