| Starter | Tm | Tier | Game |
|---|---|---|---|
| Graham Ashcraft | CIN | -5.61 | 202307050_CIN_WAS |
| Adam Wainwright | SLN | -3.94 | 202307040_SLN_MIA |
| Cal Quantrill | CLE | -2.66 | 202307050_ATL_CLE |
| Michael Grove | LAN | -2.37 | 202307030_PIT_LAN |
| Chase Anderson | COL | -1.73 | 202307050_COL_HOU |
Based on accumulated WAA for this season up to 2023-07-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 4.19 | Bryce Elder | 102.7 | ATL |
| +007+ | 4.14 | Nathan Eovaldi | 112.3 | TEX |
| +009+ | 3.92 | Sonny Gray | 93.7 | MIN |
| +010+ | 3.85 | Shane McClanahan | 96 | TBA |
| +013+ | 3.71 | Marcus Stroman | 107.7 | CHN |
| +014+ | 3.61 | Gerrit Cole | 109.7 | NYA |
| +015+ | 3.57 | Justin Steele | 91.3 | CHN |
| +028+ | 3.05 | Kevin Gausman | 109.7 | TOR |
| +027+ | 3.05 | Dane Dunning | 86.3 | TEX |
| +034+ | 2.78 | Michael Wacha | 85.7 | SDN |
| +035+ | 2.76 | Zac Gallen | 111.3 | ARI |
| +036+ | 2.72 | Alex Cobb | 89.7 | SFN |
| +040+ | 2.68 | Bailey Ober | 76.7 | MIN |
| +041+ | 2.61 | Eduardo Rodriguez | 71.7 | DET |
| +042+ | 2.61 | Andrew Abbott | 37.3 | CIN |
| +044+ | 2.56 | Blake Snell | 92 | SDN |
| +051+ | 2.46 | Luis Castillo | 100.3 | SEA |
| +054+ | 2.32 | George Kirby | 101 | SEA |
| +055+ | 2.3 | Zach Eflin | 97.3 | TBA |
| +057+ | 2.27 | Tyler Wells | 98.7 | BAL |
| +060+ | 2.25 | Brayan Bello | 80 | BOS |
| +059+ | 2.25 | Jordan Montgomery | 98.7 | SLN |
| +068+ | 2.15 | Jesus Luzardo | 103 | MIA |
| +075+ | 2.05 | Kodai Senga | 89.7 | NYN |
| +077+ | 2.02 | Jon Gray | 93 | TEX |
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