| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 9.86 | 202105170_NYA_TEX |
| Shane Bieber | CLE | 6.67 | 202105160_CLE_SEA |
| Lance Lynn | CHA | 4.9 | 202105180_CHA_MIN |
| Yu Darvish | SDN | 4.45 | 202105170_COL_SDN |
| Hyun Jin Ryu | TOR | 4.3 | 202105180_BOS_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | TEX | -3.54 | 202105170_NYA_TEX |
| Mitch Keller | PIT | -3.51 | 202105160_SFN_PIT |
| Jeff Hoffman | CIN | -2.72 | 202105160_CIN_COL |
| Matt Harvey | BAL | -2.67 | 202105180_TBA_BAL |
| Jose Quintana | ANA | -2.55 | 202105160_ANA_BOS |
Based on accumulated WAA for this season up to 2021-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.47 | John Means | 52 | BAL |
| +002+ | 3.21 | Jacob deGrom | 40 | NYN |
| +003+ | 3.19 | Brandon Woodruff | 57 | MIL |
| +004+ | 2.86 | Gerrit Cole | 57.7 | NYA |
| +006+ | 2.79 | Yu Darvish | 54.7 | SDN |
| +007+ | 2.76 | Kevin Gausman | 53.7 | SFN |
| +009+ | 2.51 | Anthony DeSclafani | 53.3 | SFN |
| +010+ | 2.47 | Lance Lynn | 40.7 | CHA |
| +011+ | 2.4 | Max Scherzer | 51.3 | WAS |
| +012+ | 2.39 | Trevor Bauer | 57.3 | LAN |
| +014+ | 2.29 | Carlos Rodon | 36.7 | CHA |
| +016+ | 2.2 | Zack Wheeler | 60.7 | PHI |
| +018+ | 2.18 | Trevor Rogers | 44 | MIA |
| +019+ | 2.18 | Kyle Gibson | 54.3 | TEX |
| +020+ | 2.16 | Tyler Glasnow | 57.3 | TBA |
| +022+ | 2.14 | Danny Duffy | 41.7 | KCA |
| +029+ | 1.94 | Taijuan Walker | 48.7 | NYN |
| +031+ | 1.93 | Alex Wood | 36 | SFN |
| +030+ | 1.93 | Corbin Burnes | 34.3 | MIL |
| +033+ | 1.91 | Matt Boyd | 47.7 | DET |
| +035+ | 1.89 | John Gant | 39.7 | SLN |
| +041+ | 1.79 | Jack Flaherty | 47.3 | SLN |
| +043+ | 1.73 | Hyun Jin Ryu | 46.7 | TOR |
| +045+ | 1.66 | Freddy Peralta | 45 | MIL |
| +044+ | 1.66 | Dylan Cease | 41 | CHA |
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