| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Cessa | CIN | -5.07 | 202305030_CIN_SDN |
| Michael Kopech | CHA | -1.85 | 202305020_MIN_CHA |
| Clarke Schmidt | NYA | -1.57 | 202305030_CLE_NYA |
| Michael Wacha | SDN | -1.53 | 202305020_CIN_SDN |
| Corey Kluber | BOS | -1.36 | 202305010_TOR_BOS |
Based on accumulated WAA for this season up to 2023-05-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.13 | Gerrit Cole | 46.7 | NYA |
| +002+ | 2.8 | Sonny Gray | 35 | MIN |
| +004+ | 2.33 | Justin Steele | 36.3 | CHN |
| +008+ | 2.1 | Bryce Elder | 36 | ATL |
| +009+ | 2.1 | Clayton Kershaw | 38 | LAN |
| +010+ | 2.02 | Shane McClanahan | 40 | TBA |
| +011+ | 1.99 | Marcus Stroman | 41.3 | CHN |
| +015+ | 1.94 | Graham Ashcraft | 36 | CIN |
| +017+ | 1.85 | Luis Castillo | 34.7 | SEA |
| +018+ | 1.84 | Anthony DeSclafani | 38 | SFN |
| +023+ | 1.77 | Max Fried | 20 | ATL |
| +025+ | 1.74 | Zac Gallen | 42.7 | ARI |
| +027+ | 1.73 | Kevin Gausman | 38.7 | TOR |
| +029+ | 1.68 | Eduardo Rodriguez | 36.7 | DET |
| +031+ | 1.64 | Framber Valdez | 45 | HOU |
| +032+ | 1.62 | Joe Ryan | 38 | MIN |
| +033+ | 1.58 | Wade Miley | 29 | MIL |
| +036+ | 1.54 | Shohei Ohtani | 39 | ANA |
| +043+ | 1.44 | Martin Perez | 33.7 | TEX |
| +045+ | 1.38 | Alex Cobb | 33.3 | SFN |
| +047+ | 1.37 | Spencer Strider | 35 | ATL |
| +055+ | 1.27 | Hunter Brown | 34.7 | HOU |
| +056+ | 1.26 | Shane Bieber | 45.7 | CLE |
| XXXXX | 1.24 | Josiah Gray | 33.7 | WAS |
| XXXXX | 1.15 | Drew Smyly | 35 | CHN |
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