| Starter | Tm | Tier | Game |
|---|---|---|---|
| Blake Snell | SDN | 5.66 | 202309080_SDN_HOU |
| Justin Steele | CHN | 3.26 | 202309090_ARI_CHN |
| Kodai Senga | NYN | 2.12 | 202309080_NYN_MIN |
| Luis Castillo | SEA | 2.1 | 202309070_SEA_TBA |
| Kyle Bradish | BAL | 1.94 | 202309080_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Adam Wainwright | SLN | -8.59 | 202309070_SLN_ATL |
| Luis Severino | NYA | -4.09 | 202309080_MIL_NYA |
| Jameson Taillon | CHN | -3.41 | 202309080_ARI_CHN |
| Tyler Anderson | ANA | -2.43 | 202309090_CLE_ANA |
| Ryne Nelson | ARI | -1.97 | 202309070_ARI_CHN |
Based on accumulated WAA for this season up to 2023-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.72 | Blake Snell | 161 | SDN |
| +012+ | 5.87 | Gerrit Cole | 180 | NYA |
| +013+ | 5.47 | Justin Steele | 159 | CHN |
| +014+ | 5.07 | Sonny Gray | 163 | MIN |
| +018+ | 4.65 | Luis Castillo | 175.3 | SEA |
| +019+ | 4.64 | Clayton Kershaw | 117.3 | LAN |
| +020+ | 4.36 | Zac Gallen | 187.7 | ARI |
| +021+ | 4.35 | Kodai Senga | 149.3 | NYN |
| +025+ | 4.15 | Kyle Bradish | 145.7 | BAL |
| +026+ | 4.14 | Nathan Eovaldi | 127.3 | TEX |
| +031+ | 3.97 | Framber Valdez | 174.7 | HOU |
| +034+ | 3.87 | Kevin Gausman | 167.3 | TOR |
| +038+ | 3.74 | Tanner Bibee | 129.7 | CLE |
| +039+ | 3.71 | Merrill Kelly | 154 | ARI |
| +043+ | 3.54 | Justin Verlander | 136.3 | TOT |
| +046+ | 3.51 | Aaron Civale | 112.7 | TOT |
| +048+ | 3.48 | Logan Webb | 193 | SFN |
| +049+ | 3.47 | Bryce Elder | 162.3 | ATL |
| +056+ | 3.41 | Michael Wacha | 111.3 | SDN |
| +057+ | 3.39 | Zack Wheeler | 170 | PHI |
| +058+ | 3.38 | Eduardo Rodriguez | 130.3 | DET |
| +066+ | 3.19 | Javier Assad | 92.3 | CHN |
| +071+ | 3.06 | George Kirby | 165.7 | SEA |
| +073+ | 2.99 | Zach Eflin | 155.7 | TBA |
| +077+ | 2.86 | Mike King | 83 | NYA |
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