| Starter | Tm | Tier | Game |
|---|---|---|---|
| Blake Snell | SDN | 5.04 | 202309020_SFN_SDN |
| Luis Castillo | SEA | 2.82 | 202309020_SEA_NYN |
| Justin Steele | CHN | 2.59 | 202309040_SFN_CHN |
| Aaron Civale | TBA | 2.29 | 202309040_BOS_TBA |
| Zac Gallen | ARI | 2.26 | 202309030_BAL_ARI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kyle Muller | OAK | -4.49 | 202309030_ANA_OAK |
| Luis Severino | NYA | -3.92 | 202309020_NYA_HOU |
| Jameson Taillon | CHN | -3.01 | 202309030_CHN_CIN |
| Tyler Anderson | ANA | -2.53 | 202309030_ANA_OAK |
| Rich Hill | SDN | -2.21 | 202309040_PHI_SDN |
Based on accumulated WAA for this season up to 2023-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.46 | Blake Snell | 155 | SDN |
| +011+ | 5.41 | Gerrit Cole | 174 | NYA |
| +012+ | 5.02 | Sonny Gray | 157 | MIN |
| +014+ | 4.93 | Justin Steele | 152 | CHN |
| +022+ | 4.07 | Kodai Senga | 143.3 | NYN |
| +025+ | 3.95 | Luis Castillo | 169.3 | SEA |
| +027+ | 3.93 | Kyle Bradish | 139.7 | BAL |
| +035+ | 3.8 | Aaron Civale | 107.7 | TOT |
| +039+ | 3.6 | Tanner Bibee | 124.7 | CLE |
| +040+ | 3.58 | Michael Wacha | 107.3 | SDN |
| +046+ | 3.41 | Framber Valdez | 167.7 | HOU |
| +047+ | 3.4 | Zac Gallen | 178.7 | ARI |
| +049+ | 3.39 | Charlie Morton | 151.7 | ATL |
| +051+ | 3.34 | Eduardo Rodriguez | 124.3 | DET |
| +055+ | 3.3 | Merrill Kelly | 148.3 | ARI |
| +057+ | 3.25 | Javier Assad | 87 | CHN |
| +062+ | 3.21 | Kevin Gausman | 159.3 | TOR |
| +064+ | 3.17 | George Kirby | 159.3 | SEA |
| +065+ | 3.12 | Bryce Elder | 155.3 | ATL |
| +067+ | 3.08 | Zach Eflin | 150.7 | TBA |
| +070+ | 3.02 | Jordan Montgomery | 156 | TOT |
| +072+ | 2.98 | Justin Verlander | 129.3 | TOT |
| +079+ | 2.77 | Logan Webb | 187 | SFN |
| +085+ | 2.71 | Zack Wheeler | 164 | PHI |
| +087+ | 2.68 | Spencer Strider | 159.3 | ATL |
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