| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 8.45 | 202105250_COL_NYN |
| Yu Darvish | SDN | 5.51 | 202105230_SEA_SDN |
| Hyun Jin Ryu | TOR | 4.94 | 202105230_TBA_TOR |
| Max Scherzer | WAS | 4.84 | 202105250_CIN_WAS |
| Brandon Woodruff | MIL | 4.84 | 202105240_SDN_MIL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | BAL | -4.03 | 202105230_BAL_WAS |
| Yusei Kikuchi | SEA | -1.37 | 202105240_SEA_OAK |
| Dylan Bundy | ANA | -1.16 | 202105230_OAK_ANA |
| Michael Wacha | TBA | -0.97 | 202105230_TBA_TOR |
| Steven Matz | TOR | -0.95 | 202105250_TOR_NYA |
Based on accumulated WAA for this season up to 2021-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.87 | Brandon Woodruff | 64 | MIL |
| +002+ | 3.78 | Kevin Gausman | 64.7 | SFN |
| +003+ | 3.53 | John Means | 65.3 | BAL |
| +004+ | 3.49 | Gerrit Cole | 64.7 | NYA |
| +006+ | 3.45 | Jacob deGrom | 45 | NYN |
| +007+ | 3.24 | Yu Darvish | 61.7 | SDN |
| +008+ | 3.15 | Lance Lynn | 47.7 | CHA |
| +010+ | 2.97 | Trevor Bauer | 63.7 | LAN |
| +012+ | 2.9 | Trevor Rogers | 56.7 | MIA |
| +014+ | 2.88 | Carlos Rodon | 42.7 | CHA |
| +016+ | 2.7 | Max Scherzer | 63.3 | WAS |
| +018+ | 2.68 | Zack Wheeler | 68 | PHI |
| +021+ | 2.51 | Kyle Gibson | 60.3 | TEX |
| +028+ | 2.26 | Joe Musgrove | 55.7 | SDN |
| +029+ | 2.12 | Danny Duffy | 41.7 | KCA |
| +030+ | 2.07 | Alex Wood | 42 | SFN |
| +036+ | 1.91 | Taijuan Walker | 48.7 | NYN |
| +038+ | 1.89 | John Gant | 39.7 | SLN |
| +039+ | 1.87 | Hyun Jin Ryu | 53.3 | TOR |
| +041+ | 1.85 | Walker Buehler | 58.3 | LAN |
| +045+ | 1.8 | Corbin Burnes | 46.3 | MIL |
| +047+ | 1.79 | Pablo Lopez | 56 | MIA |
| +048+ | 1.78 | Ryan Weathers | 30.3 | SDN |
| +054+ | 1.7 | Freddy Peralta | 49.7 | MIL |
| +055+ | 1.68 | Michael Kopech | 30.3 | CHA |
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