| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shintaro Fujinami | OAK | -12.05 | 202306020_OAK_MIA |
| Jordan Lyles | KCA | -6.36 | 202306020_COL_KCA |
| Joey Wentz | DET | -6.05 | 202305310_TEX_DET |
| Jameson Taillon | CHN | -3.25 | 202306020_CHN_SDN |
| Lance Lynn | CHA | -2.6 | 202305310_ANA_CHA |
Based on accumulated WAA for this season up to 2023-06-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.7 | Framber Valdez | 79 | HOU |
| +005+ | 3.5 | Bryce Elder | 65.7 | ATL |
| +006+ | 3.46 | Shane McClanahan | 69.7 | TBA |
| +007+ | 3.21 | Eduardo Rodriguez | 67.7 | DET |
| +010+ | 3.09 | Nathan Eovaldi | 74.3 | TEX |
| +011+ | 3.08 | Sonny Gray | 60.3 | MIN |
| +015+ | 2.74 | Marcus Stroman | 73 | CHN |
| +020+ | 2.61 | Luis Castillo | 70.7 | SEA |
| +021+ | 2.56 | Jon Gray | 64.7 | TEX |
| +023+ | 2.5 | Kevin Gausman | 75 | TOR |
| +025+ | 2.47 | Zac Gallen | 72.7 | ARI |
| +026+ | 2.46 | Justin Steele | 68 | CHN |
| +027+ | 2.4 | Dane Dunning | 48 | TEX |
| +033+ | 2.1 | Gerrit Cole | 73.7 | NYA |
| +036+ | 2.06 | Joe Ryan | 65 | MIN |
| +037+ | 2.04 | Tony Gonsolin | 35.7 | LAN |
| +040+ | 1.94 | Bailey Ober | 46.3 | MIN |
| +042+ | 1.87 | Jaime Barria | 34 | ANA |
| +043+ | 1.86 | Logan Webb | 79 | SFN |
| +044+ | 1.86 | Merrill Kelly | 70.7 | ARI |
| +046+ | 1.83 | Spencer Strider | 63.7 | ATL |
| +049+ | 1.8 | George Kirby | 71 | SEA |
| +052+ | 1.77 | Josiah Gray | 67 | WAS |
| +057+ | 1.66 | Mitch Keller | 74.7 | PIT |
| +058+ | 1.66 | Alex Cobb | 62 | SFN |
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