| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | KCA | -9.14 | 202309230_KCA_HOU |
| Luke Weaver | NYA | -6.76 | 202309220_ARI_NYA |
| Chris Flexen | COL | -6.16 | 202309230_COL_CHN |
| Jameson Taillon | CHN | -2.57 | 202309220_COL_CHN |
| Ken Waldichuk | OAK | -2.41 | 202309220_DET_OAK |
Based on accumulated WAA for this season up to 2023-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.95 | Blake Snell | 174 | SDN |
| +006+ | 7.14 | Gerrit Cole | 200 | NYA |
| +011+ | 6.31 | Sonny Gray | 180 | MIN |
| +015+ | 5.47 | Clayton Kershaw | 126.3 | LAN |
| +019+ | 5.09 | Kodai Senga | 161.3 | NYN |
| +020+ | 5.03 | Luis Castillo | 188.3 | SEA |
| +023+ | 4.57 | Kyle Bradish | 158.7 | BAL |
| +026+ | 4.45 | Jordan Montgomery | 182.7 | TOT |
| +034+ | 4.03 | Logan Webb | 207 | SFN |
| +036+ | 4 | Kevin Gausman | 178 | TOR |
| +037+ | 3.97 | Framber Valdez | 194 | HOU |
| +039+ | 3.9 | Nathan Eovaldi | 135.7 | TEX |
| +045+ | 3.79 | Justin Steele | 168 | CHN |
| +050+ | 3.58 | Corbin Burnes | 189.7 | MIL |
| +051+ | 3.56 | Mike King | 94.7 | NYA |
| +062+ | 3.37 | Zach Eflin | 172.7 | TBA |
| +063+ | 3.34 | Javier Assad | 104.7 | CHN |
| +070+ | 3.2 | Zac Gallen | 197.7 | ARI |
| +074+ | 3.15 | Merrill Kelly | 165.7 | ARI |
| +075+ | 3.14 | Max Fried | 77.7 | ATL |
| +078+ | 3.11 | Justin Verlander | 149.3 | TOT |
| +077+ | 3.11 | Brandon Woodruff | 67 | MIL |
| +081+ | 2.99 | Zack Wheeler | 188 | PHI |
| +086+ | 2.89 | Wade Miley | 115.3 | MIL |
| +087+ | 2.88 | Jose Berrios | 183.7 | TOR |
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