| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | MIN | -5 | 202107280_DET_MIN |
| Jorge Lopez | BAL | -4.67 | 202107280_MIA_BAL |
| Dylan Bundy | ANA | -3.94 | 202107290_OAK_ANA |
| Brad Keller | KCA | -3.09 | 202107270_CHA_KCA |
| Jordan Lyles | TEX | -2.3 | 202107280_ARI_TEX |
Based on accumulated WAA for this season up to 2021-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.4 | Walker Buehler | 135.7 | LAN |
| +006+ | 5.82 | Brandon Woodruff | 126 | MIL |
| +007+ | 5.77 | Zack Wheeler | 139.7 | PHI |
| +008+ | 5.72 | Lance Lynn | 103.7 | CHA |
| +009+ | 5.48 | Kevin Gausman | 122 | SFN |
| +011+ | 4.93 | Freddy Peralta | 108 | MIL |
| +013+ | 4.77 | Corbin Burnes | 102 | MIL |
| +015+ | 4.61 | Marcus Stroman | 116.7 | NYN |
| +019+ | 4.35 | Carlos Rodon | 104.7 | CHA |
| +023+ | 3.99 | Max Scherzer | 111 | WAS |
| +034+ | 3.52 | Kyle Gibson | 113 | TEX |
| +038+ | 3.4 | Gerrit Cole | 130.3 | NYA |
| +039+ | 3.36 | Robbie Ray | 118.3 | TOR |
| +042+ | 3.27 | Sean Manaea | 122.7 | OAK |
| +044+ | 3.22 | Joe Musgrove | 116.3 | SDN |
| +046+ | 3.14 | Wade Miley | 107 | CIN |
| +050+ | 2.96 | Anthony DeSclafani | 122 | SFN |
| +058+ | 2.71 | Hyun Jin Ryu | 116 | TOR |
| +063+ | 2.53 | John Means | 82.7 | BAL |
| +064+ | 2.52 | Sandy Alcantara | 125.7 | MIA |
| +068+ | 2.46 | Danny Duffy | 61 | KCA |
| +080+ | 2.34 | Aaron Loup | 33.7 | NYN |
| +083+ | 2.32 | Yu Darvish | 115.7 | SDN |
| +089+ | 2.2 | Cristian Javier | 77.3 | HOU |
| +090+ | 2.18 | Casey Mize | 111 | DET |
_