Based on accumulated WAA for this season up to 2026-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.41 | Cam Schlittler | 171.7 | NYA |
| +002+ | 7.87 | Jacob Misiorowski | 155 | MIL |
| +003+ | 7.27 | Chris Sale | 150 | ATL |
| +004+ | 7.01 | Dylan Cease | 156.3 | TOR |
| +005+ | 6.73 | Cristopher Sanchez | 181.3 | PHI |
| +006+ | 6.56 | Eduardo Rodriguez | 173 | ARI |
| +007+ | 6.36 | Parker Messick | 167 | CLE |
| +009+ | 5.75 | Yoshinobu Yamamoto | 165 | LAN |
| +011+ | 5.13 | Sonny Gray | 150.7 | BOS |
| +015+ | 4.73 | Troy Melton | 102.3 | DET |
| +017+ | 4.71 | Chase Burns | 145.3 | CIN |
| +019+ | 4.64 | Michael King | 168 | SDN |
| +020+ | 4.55 | Jesus Luzardo | 169.7 | PHI |
| +020+ | 4.55 | Drew Rasmussen | 153.3 | TBA |
| +023+ | 4.45 | Walbert Urena | 131.3 | ANA |
| +029+ | 4.15 | Nolan McLean | 161.7 | NYN |
| +029+ | 4.15 | Nick Martinez | 160 | TBA |
| +032+ | 4.08 | Tarik Skubal | 132.3 | TOT |
| +036+ | 3.91 | Cade Cavalli | 158.7 | WAS |
| +045+ | 3.5 | Michael Wacha | 176.7 | KCA |
| +049+ | 3.45 | Sean Burke | 154.7 | CHA |
| +050+ | 3.44 | Foster Griffin | 160.3 | TOT |
| +058+ | 3.24 | Logan Henderson | 83.3 | MIL |
| +059+ | 3.23 | Cal Quantrill | 96.7 | TEX |
| +063+ | 3.16 | Max Fried | 95.7 | NYA |
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