| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shane Bieber | CLE | 9.25 | 202105050_CLE_KCA |
| Clayton Kershaw | LAN | 7.27 | 202105041_LAN_CHN |
| Yu Darvish | SDN | 4.69 | 202105050_PIT_SDN |
| Marcus Stroman | NYN | 3.51 | 202105051_NYN_SLN |
| Tyler Glasnow | TBA | 2.87 | 202105030_TBA_ANA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -6.66 | 202105040_BAL_SEA |
| Mitch Keller | PIT | -2.87 | 202105040_PIT_SDN |
| Yusei Kikuchi | SEA | -2.14 | 202105050_BAL_SEA |
| Jeff Hoffman | CIN | -1.99 | 202105040_CHA_CIN |
| Jose Quintana | ANA | -1.9 | 202105030_TBA_ANA |
Based on accumulated WAA for this season up to 2021-05-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.88 | John Means | 46 | BAL |
| +002+ | 2.81 | Jacob deGrom | 35 | NYN |
| +004+ | 2.43 | Danny Duffy | 30 | KCA |
| +006+ | 2.23 | Gerrit Cole | 37.7 | NYA |
| +008+ | 1.99 | Carlos Rodon | 25 | CHA |
| +009+ | 1.9 | Tyler Glasnow | 43.7 | TBA |
| +010+ | 1.88 | Kevin Gausman | 39.7 | SFN |
| +015+ | 1.76 | Brandon Woodruff | 35 | MIL |
| +017+ | 1.74 | Anthony DeSclafani | 36 | SFN |
| +018+ | 1.68 | Yu Darvish | 43.7 | SDN |
| +019+ | 1.66 | Corbin Burnes | 29.3 | MIL |
| +020+ | 1.63 | Matt Boyd | 35.7 | DET |
| +023+ | 1.55 | Kyle Gibson | 41.3 | TEX |
| +024+ | 1.55 | Trevor Bauer | 44.3 | LAN |
| +026+ | 1.52 | Trevor Rogers | 33 | MIA |
| +027+ | 1.49 | Marcus Stroman | 34.3 | NYN |
| +029+ | 1.44 | Max Scherzer | 39 | WAS |
| +030+ | 1.44 | J. A. Happ | 28.3 | MIN |
| +033+ | 1.41 | Huascar Ynoa | 34.3 | ATL |
| +036+ | 1.38 | Cristian Javier | 25.7 | HOU |
| +038+ | 1.35 | Ryan Weathers | 19.3 | SDN |
| +043+ | 1.33 | Lance Lynn | 24.7 | CHA |
| +041+ | 1.33 | Michael Kopech | 20.3 | CHA |
| +050+ | 1.25 | Pablo Lopez | 34.7 | MIA |
| XXXXX | 1.24 | Dylan Cease | 30.3 | CHA |
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