| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luis Cessa | CIN | -6.51 | 202304220_CIN_PIT |
| Shintaro Fujinami | OAK | -4.29 | 202304220_OAK_TEX |
| Miles Mikolas | SLN | -3.15 | 202304220_SLN_SEA |
| Chad Kuhl | WAS | -2.07 | 202304220_WAS_MIN |
| Michael Grove | LAN | -2.05 | 202304200_LAN_CHN |
Based on accumulated WAA for this season up to 2023-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.69 | Gerrit Cole | 34 | NYA |
| +003+ | 2.37 | Shohei Ohtani | 28 | ANA |
| +007+ | 1.92 | Marcus Stroman | 24 | CHN |
| +010+ | 1.77 | Luis Castillo | 29.7 | SEA |
| +011+ | 1.75 | Sonny Gray | 22 | MIN |
| +014+ | 1.68 | Bryce Elder | 23.7 | ATL |
| +015+ | 1.6 | Justin Steele | 25 | CHN |
| +016+ | 1.59 | Shane McClanahan | 29 | TBA |
| +024+ | 1.42 | Framber Valdez | 32 | HOU |
| +025+ | 1.37 | Graham Ashcraft | 24 | CIN |
| +032+ | 1.25 | Zac Gallen | 31.3 | ARI |
| XXXXX | 1.2 | Wade Miley | 23 | MIL |
| XXXXX | 1.15 | Drew Rasmussen | 22.3 | TBA |
| XXXXX | 1.12 | Johan Oviedo | 24.3 | PIT |
| XXXXX | 1.02 | Clayton Kershaw | 25 | LAN |
| XXXXX | 0.95 | Dylan Cease | 26.3 | CHA |
| XXXXX | 0.89 | Spencer Strider | 22 | ATL |
| XXXXX | 0.87 | Anthony DeSclafani | 24 | SFN |
| XXXXX | 0.85 | Pablo Lopez | 30 | MIN |
| XXXXX | 0.83 | Dustin May | 29.3 | LAN |
| XXXXX | 0.83 | Tyler Wells | 23.3 | BAL |
| XXXXX | 0.77 | Noah Davis | 9.7 | COL |
| XXXXX | 0.76 | Kyle Bradish | 7.7 | BAL |
| XXXXX | 0.76 | Seth Lugo | 22.7 | SDN |
| XXXXX | 0.76 | Drey Jameson | 16 | ARI |
_