| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 4.93 | 202105140_MIA_LAN |
| Max Scherzer | WAS | 4.48 | 202105140_WAS_ARI |
| Lance Lynn | CHA | 3.57 | 202105130_MIN_CHA |
| Jack Flaherty | SLN | 2.25 | 202105130_SLN_MIL |
| Tyler Glasnow | TBA | 1.98 | 202105140_NYN_TBA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -4.74 | 202105150_NYA_BAL |
| Trevor Williams | CHN | -4.35 | 202105150_CHN_DET |
| Drew Smyly | ATL | -2.49 | 202105140_ATL_MIL |
| Jakob Junis | KCA | -2.23 | 202105142_KCA_CHA |
| Chi Chi Gonzalez | COL | -2.18 | 202105130_CIN_COL |
Based on accumulated WAA for this season up to 2021-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.46 | John Means | 52 | BAL |
| +003+ | 3.19 | Gerrit Cole | 52.7 | NYA |
| +002+ | 3.19 | Jacob deGrom | 40 | NYN |
| +005+ | 2.75 | Kevin Gausman | 53.7 | SFN |
| +006+ | 2.67 | Brandon Woodruff | 49.3 | MIL |
| +008+ | 2.37 | Trevor Bauer | 57.3 | LAN |
| +007+ | 2.37 | Max Scherzer | 51.3 | WAS |
| +010+ | 2.31 | Lance Lynn | 34.7 | CHA |
| +011+ | 2.29 | Carlos Rodon | 36.7 | CHA |
| +015+ | 2.17 | Matt Boyd | 41.7 | DET |
| +016+ | 2.16 | Trevor Rogers | 44 | MIA |
| +017+ | 2.14 | Tyler Glasnow | 57.3 | TBA |
| +018+ | 2.13 | Danny Duffy | 41.7 | KCA |
| +019+ | 2.13 | Yu Darvish | 47.7 | SDN |
| +021+ | 2.06 | Anthony DeSclafani | 46.3 | SFN |
| +023+ | 2 | Marcus Stroman | 40.7 | NYN |
| +027+ | 1.92 | Kyle Gibson | 47.3 | TEX |
| +028+ | 1.91 | Corbin Burnes | 34.3 | MIL |
| +032+ | 1.79 | John Gant | 34.3 | SLN |
| +033+ | 1.77 | Jack Flaherty | 47.3 | SLN |
| +036+ | 1.72 | Huascar Ynoa | 40.3 | ATL |
| +041+ | 1.66 | Ryan Weathers | 22.3 | SDN |
| +043+ | 1.63 | Taijuan Walker | 45.7 | NYN |
| +045+ | 1.57 | Alex Wood | 30 | SFN |
| +047+ | 1.51 | Zack Wheeler | 53.7 | PHI |
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