| Starter | Tm | Tier | Game |
|---|---|---|---|
| Keegan Akin | BAL | -3.12 | 202107160_BAL_KCA |
| Chi Chi Gonzalez | COL | -2.07 | 202107160_LAN_COL |
| Eduardo Rodriguez | BOS | -1.63 | 202107160_BOS_NYA |
| Andrew Heaney | ANA | -1.57 | 202107160_SEA_ANA |
| Mike Foltynewicz | TEX | -1.47 | 202107100_OAK_TEX |
Based on accumulated WAA for this season up to 2021-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.97 | Jacob deGrom | 92 | NYN |
| +002+ | 6.4 | Kevin Gausman | 114.7 | SFN |
| +006+ | 5.47 | Zack Wheeler | 119.7 | PHI |
| +007+ | 5.45 | Brandon Woodruff | 113.3 | MIL |
| +008+ | 4.96 | Walker Buehler | 114.3 | LAN |
| +009+ | 4.81 | Lance Lynn | 90.7 | CHA |
| +011+ | 4.39 | Kyle Gibson | 102 | TEX |
| +012+ | 4.34 | Trevor Rogers | 101.3 | MIA |
| +016+ | 4.08 | Gerrit Cole | 114 | NYA |
| +017+ | 4.08 | Carlos Rodon | 89.7 | CHA |
| +020+ | 3.98 | Freddy Peralta | 98 | MIL |
| +023+ | 3.74 | Marcus Stroman | 103.7 | NYN |
| +024+ | 3.71 | Max Scherzer | 98 | WAS |
| +026+ | 3.67 | Taijuan Walker | 94.7 | NYN |
| +028+ | 3.61 | Corbin Burnes | 87.7 | MIL |
| +029+ | 3.6 | Anthony DeSclafani | 107.3 | SFN |
| +039+ | 3.19 | Robbie Ray | 107.3 | TOR |
| +042+ | 2.98 | Wade Miley | 96.3 | CIN |
| +047+ | 2.83 | Pablo Lopez | 101 | MIA |
| +051+ | 2.75 | Joe Musgrove | 98.3 | SDN |
| +054+ | 2.64 | Lance McCullers | 86.7 | HOU |
| +060+ | 2.56 | Yu Darvish | 105 | SDN |
| +063+ | 2.54 | Sandy Alcantara | 119.7 | MIA |
| +065+ | 2.49 | Danny Duffy | 61 | KCA |
| +072+ | 2.37 | German Marquez | 112.3 | COL |
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