| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lance Lynn | CHA | -3.48 | 202305100_CHA_KCA |
| David Peterson | NYN | -2.88 | 202305090_NYN_CIN |
| Jordan Lyles | KCA | -2.15 | 202305090_CHA_KCA |
| Kyle Muller | OAK | -2.08 | 202305100_OAK_NYA |
| Joey Wentz | DET | -1.78 | 202305080_DET_CLE |
Based on accumulated WAA for this season up to 2023-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.13 | Eduardo Rodriguez | 51.7 | DET |
| +003+ | 2.69 | Justin Steele | 49.3 | CHN |
| +005+ | 2.6 | Shane McClanahan | 46 | TBA |
| +004+ | 2.6 | Sonny Gray | 40 | MIN |
| +006+ | 2.56 | Gerrit Cole | 51.7 | NYA |
| +009+ | 2.35 | Bryce Elder | 41.3 | ATL |
| +013+ | 2.23 | Framber Valdez | 53 | HOU |
| +015+ | 2.19 | Zac Gallen | 49.7 | ARI |
| +016+ | 2.18 | Clayton Kershaw | 49.7 | LAN |
| +018+ | 2.07 | Marcus Stroman | 47.3 | CHN |
| +019+ | 2.05 | Alex Cobb | 40.3 | SFN |
| +024+ | 1.83 | Shane Bieber | 51.7 | CLE |
| +026+ | 1.82 | Dane Dunning | 31.3 | TEX |
| +030+ | 1.73 | Joe Ryan | 44 | MIN |
| +031+ | 1.73 | Mitch Keller | 49.7 | PIT |
| +039+ | 1.56 | Shohei Ohtani | 46 | ANA |
| +041+ | 1.54 | George Kirby | 44.7 | SEA |
| +045+ | 1.52 | Luis Castillo | 46.7 | SEA |
| +047+ | 1.47 | Dustin May | 40.3 | LAN |
| +048+ | 1.45 | Anthony DeSclafani | 45 | SFN |
| +052+ | 1.38 | Spencer Strider | 40 | ATL |
| +051+ | 1.38 | Josiah Gray | 45.7 | WAS |
| +054+ | 1.35 | Bailey Ober | 18.3 | MIN |
| +065+ | 1.28 | Max Fried | 26 | ATL |
| XXXXX | 1.03 | Nathan Eovaldi | 44.7 | TEX |
_