| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 8.07 | 202105120_NYA_TBA |
| Clayton Kershaw | LAN | 4.93 | 202105140_MIA_LAN |
| Max Scherzer | WAS | 4.48 | 202105140_WAS_ARI |
| Yu Darvish | SDN | 3.77 | 202105121_SDN_COL |
| Lance Lynn | CHA | 3.57 | 202105130_MIN_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Trevor Cahill | PIT | -3.47 | 202105120_CIN_PIT |
| 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 |
| Matt Harvey | BAL | -1.46 | 202105120_BAL_NYN |
Based on accumulated WAA for this season up to 2021-05-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.42 | John Means | 52 | BAL |
| +002+ | 3.15 | Jacob deGrom | 40 | NYN |
| +003+ | 3.15 | Gerrit Cole | 52.7 | NYA |
| +005+ | 2.71 | Kevin Gausman | 53.7 | SFN |
| +006+ | 2.63 | Brandon Woodruff | 49.3 | MIL |
| +007+ | 2.48 | Carlos Rodon | 31 | CHA |
| +009+ | 2.32 | Max Scherzer | 51.3 | WAS |
| +010+ | 2.19 | Lance Lynn | 34.7 | CHA |
| +012+ | 2.16 | Matt Boyd | 41.7 | DET |
| +015+ | 2.12 | Trevor Rogers | 44 | MIA |
| +016+ | 2.1 | Tyler Glasnow | 57.3 | TBA |
| +017+ | 2.1 | Yu Darvish | 47.7 | SDN |
| +019+ | 2.02 | Anthony DeSclafani | 46.3 | SFN |
| +020+ | 2 | Danny Duffy | 41.7 | KCA |
| +022+ | 1.96 | Marcus Stroman | 40.7 | NYN |
| +025+ | 1.89 | Corbin Burnes | 34.3 | MIL |
| +026+ | 1.88 | Kyle Gibson | 47.3 | TEX |
| +032+ | 1.76 | John Gant | 34.3 | SLN |
| +034+ | 1.72 | Jack Flaherty | 47.3 | SLN |
| +037+ | 1.69 | Huascar Ynoa | 40.3 | ATL |
| +038+ | 1.69 | Trevor Bauer | 50.3 | LAN |
| +041+ | 1.65 | Ryan Weathers | 22.3 | SDN |
| +045+ | 1.59 | Taijuan Walker | 45.7 | NYN |
| +047+ | 1.54 | Alex Wood | 30 | SFN |
| +051+ | 1.46 | Zack Wheeler | 53.7 | PHI |
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