| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ken Waldichuk | OAK | -4.53 | 202304180_CHN_OAK |
| Chris Sale | BOS | -3.96 | 202304180_MIN_BOS |
| Spencer Turnbull | DET | -2.69 | 202304190_CLE_DET |
| Dean Kremer | BAL | -2.3 | 202304180_BAL_WAS |
| Brady Singer | KCA | -2.07 | 202304190_TEX_KCA |
Based on accumulated WAA for this season up to 2023-04-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.15 | Gerrit Cole | 28.3 | NYA |
| +003+ | 1.92 | Luis Castillo | 24.7 | SEA |
| +002+ | 1.92 | Marcus Stroman | 24 | CHN |
| +005+ | 1.75 | Sonny Gray | 22 | MIN |
| +009+ | 1.68 | Shohei Ohtani | 21 | ANA |
| +010+ | 1.6 | Justin Steele | 25 | CHN |
| +012+ | 1.52 | Pablo Lopez | 26 | MIN |
| +019+ | 1.44 | Shane McClanahan | 23 | TBA |
| +021+ | 1.38 | Framber Valdez | 25 | HOU |
| +025+ | 1.31 | Julio Urias | 23.7 | LAN |
| XXXXX | 1.23 | Anthony DeSclafani | 19 | SFN |
| XXXXX | 1.18 | Dylan Cease | 22.3 | CHA |
| XXXXX | 1.17 | Drew Rasmussen | 22.3 | TBA |
| XXXXX | 1.14 | Wade Miley | 18 | MIL |
| XXXXX | 1.13 | Johan Oviedo | 24.3 | PIT |
| XXXXX | 1.1 | Bryce Elder | 17.7 | ATL |
| XXXXX | 1.02 | Clayton Kershaw | 25 | LAN |
| XXXXX | 0.97 | Hunter Brown | 18.7 | HOU |
| XXXXX | 0.9 | Spencer Strider | 22 | ATL |
| XXXXX | 0.77 | Jesus Luzardo | 23 | MIA |
| XXXXX | 0.77 | Drey Jameson | 16 | ARI |
| XXXXX | 0.76 | Kyle Bradish | 7.7 | BAL |
| XXXXX | 0.72 | Shane Bieber | 25 | CLE |
| XXXXX | 0.71 | Dustin May | 24 | LAN |
| XXXXX | 0.64 | Eduardo Rodriguez | 24 | DET |
_