| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 10.24 | 202105090_ARI_NYN |
| Clayton Kershaw | LAN | 5.02 | 202105080_LAN_ANA |
| Max Scherzer | WAS | 4.48 | 202105080_WAS_NYA |
| Lance Lynn | CHA | 3.39 | 202105080_CHA_KCA |
| Tyler Glasnow | TBA | 2.58 | 202105080_TBA_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -5.61 | 202105100_BOS_BAL |
| Trevor Williams | CHN | -4.83 | 202105080_PIT_CHN |
| Jose Quintana | ANA | -3.11 | 202105090_LAN_ANA |
| Mitch Keller | PIT | -1.95 | 202105100_CIN_PIT |
| Luke Weaver | ARI | -1.18 | 202105100_MIA_ARI |
Based on accumulated WAA for this season up to 2021-05-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.18 | Jacob deGrom | 40 | NYN |
| +003+ | 2.87 | John Means | 46 | BAL |
| +004+ | 2.55 | Carlos Rodon | 31 | CHA |
| +005+ | 2.42 | Gerrit Cole | 44.7 | NYA |
| +006+ | 2.32 | Danny Duffy | 35.7 | KCA |
| +009+ | 2.22 | Kevin Gausman | 45.7 | SFN |
| +010+ | 2.18 | Brandon Woodruff | 41.7 | MIL |
| +015+ | 1.9 | Kyle Gibson | 47.3 | TEX |
| +014+ | 1.9 | Max Scherzer | 46.3 | WAS |
| +016+ | 1.81 | Tyler Glasnow | 49.3 | TBA |
| +017+ | 1.8 | Lance Lynn | 29.7 | CHA |
| +019+ | 1.77 | Trevor Rogers | 38 | MIA |
| +020+ | 1.72 | Huascar Ynoa | 40.3 | ATL |
| +022+ | 1.71 | Pablo Lopez | 39.7 | MIA |
| +025+ | 1.71 | Trevor Bauer | 50.3 | LAN |
| +023+ | 1.71 | Yu Darvish | 43.7 | SDN |
| +028+ | 1.65 | Wade Miley | 36 | CIN |
| +029+ | 1.64 | Ryan Weathers | 22.3 | SDN |
| +030+ | 1.62 | Matt Boyd | 35.7 | DET |
| +031+ | 1.6 | Anthony DeSclafani | 41.3 | SFN |
| +032+ | 1.59 | Marcus Stroman | 34.3 | NYN |
| +035+ | 1.58 | Alex Wood | 30 | SFN |
| +046+ | 1.43 | J. A. Happ | 28.3 | MIN |
| +049+ | 1.4 | Clayton Kershaw | 44.7 | LAN |
| +053+ | 1.36 | Sandy Alcantara | 49.7 | MIA |
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