| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | BAL | -9.54 | 202107180_BAL_KCA |
| Jose Urena | DET | -3.94 | 202107171_MIN_DET |
| J.A. Happ | MIN | -2.59 | 202107180_MIN_DET |
| Chi Chi Gonzalez | COL | -2.07 | 202107160_LAN_COL |
| Eduardo Rodriguez | BOS | -1.63 | 202107160_BOS_NYA |
Based on accumulated WAA for this season up to 2021-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.95 | Jacob deGrom | 92 | NYN |
| +003+ | 6.41 | Kevin Gausman | 114.7 | SFN |
| +006+ | 5.74 | Brandon Woodruff | 119 | MIL |
| +007+ | 5.18 | Walker Buehler | 121.3 | LAN |
| +008+ | 5.04 | Zack Wheeler | 125.7 | PHI |
| +009+ | 4.78 | Lance Lynn | 90.7 | CHA |
| +010+ | 4.75 | Carlos Rodon | 96.7 | CHA |
| +012+ | 4.47 | Gerrit Cole | 120 | NYA |
| +013+ | 4.44 | Kyle Gibson | 102 | TEX |
| +014+ | 4.37 | Corbin Burnes | 96 | MIL |
| +017+ | 4.22 | Trevor Rogers | 101.3 | MIA |
| +021+ | 3.94 | Freddy Peralta | 98 | MIL |
| +026+ | 3.71 | Marcus Stroman | 103.7 | NYN |
| +029+ | 3.55 | Anthony DeSclafani | 113.3 | SFN |
| +030+ | 3.54 | Max Scherzer | 105 | WAS |
| +037+ | 3.21 | Robbie Ray | 107.3 | TOR |
| +044+ | 2.94 | Wade Miley | 96.3 | CIN |
| +048+ | 2.84 | Taijuan Walker | 95 | NYN |
| +052+ | 2.72 | Pablo Lopez | 101 | MIA |
| +055+ | 2.64 | Lance McCullers | 86.7 | HOU |
| +058+ | 2.54 | Yu Darvish | 105 | SDN |
| +065+ | 2.47 | Danny Duffy | 61 | KCA |
| +066+ | 2.45 | Kwang Hyun Kim | 78.3 | SLN |
| +071+ | 2.4 | Sandy Alcantara | 119.7 | MIA |
| +072+ | 2.38 | Joe Musgrove | 103.3 | SDN |
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