| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joey Wentz | DET | -6.05 | 202305310_TEX_DET |
| James Kaprielian | OAK | -4.87 | 202305310_ATL_OAK |
| Lance Lynn | CHA | -2.6 | 202305310_ANA_CHA |
| Dinelson Lamet | COL | -2.5 | 202305310_COL_ARI |
| Noah Syndergaard | LAN | -2.41 | 202305310_WAS_LAN |
Based on accumulated WAA for this season up to 2023-05-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.52 | Bryce Elder | 65.7 | ATL |
| +004+ | 3.49 | Shane McClanahan | 69.7 | TBA |
| +007+ | 3.24 | Eduardo Rodriguez | 67.7 | DET |
| +008+ | 3.13 | Nathan Eovaldi | 74.3 | TEX |
| +009+ | 3.11 | Sonny Gray | 60.3 | MIN |
| +010+ | 3.06 | Framber Valdez | 72 | HOU |
| +015+ | 2.78 | Marcus Stroman | 73 | CHN |
| +019+ | 2.51 | Zac Gallen | 72.7 | ARI |
| +021+ | 2.5 | Justin Steele | 68 | CHN |
| +023+ | 2.42 | Dane Dunning | 48 | TEX |
| +027+ | 2.17 | Luis Castillo | 63.7 | SEA |
| +029+ | 2.13 | Gerrit Cole | 73.7 | NYA |
| +031+ | 2.12 | Josiah Gray | 61.7 | WAS |
| +033+ | 2.1 | Joe Ryan | 65 | MIN |
| +036+ | 2.06 | Tony Gonsolin | 35.7 | LAN |
| +038+ | 1.99 | Shohei Ohtani | 65 | ANA |
| +040+ | 1.89 | Kevin Gausman | 68.3 | TOR |
| +041+ | 1.88 | Jaime Barria | 34 | ANA |
| +043+ | 1.86 | Spencer Strider | 63.7 | ATL |
| +044+ | 1.84 | Logan Webb | 72 | SFN |
| +045+ | 1.83 | George Kirby | 71 | SEA |
| +046+ | 1.82 | Cristian Javier | 63.7 | HOU |
| +054+ | 1.71 | Mitch Keller | 74.7 | PIT |
| +056+ | 1.7 | Alex Cobb | 62 | SFN |
| +062+ | 1.63 | Merrill Kelly | 63.7 | ARI |
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