| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 8.26 | 202105220_CHA_NYA |
| Shane Bieber | CLE | 5.91 | 202105220_MIN_CLE |
| Trevor Bauer | LAN | 3.5 | 202105210_LAN_SFN |
| Tyler Glasnow | TBA | 2.48 | 202105210_TBA_TOR |
| Marcus Stroman | NYN | 2.41 | 202105210_NYN_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -5.46 | 202105210_BAL_WAS |
| Trevor Williams | CHN | -4.84 | 202105200_WAS_CHN |
| Mitch Keller | PIT | -3.38 | 202105220_PIT_ATL |
| Jose Quintana | ANA | -3.02 | 202105210_OAK_ANA |
| Jordan Lyles | TEX | -2.9 | 202105220_HOU_TEX |
Based on accumulated WAA for this season up to 2021-05-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.51 | Gerrit Cole | 64.7 | NYA |
| +002+ | 3.34 | Kevin Gausman | 59.7 | SFN |
| +003+ | 3.27 | John Means | 58.3 | BAL |
| +004+ | 3.24 | Brandon Woodruff | 57 | MIL |
| +005+ | 3.19 | Jacob deGrom | 40 | NYN |
| +007+ | 3 | Trevor Bauer | 63.7 | LAN |
| +009+ | 2.9 | Carlos Rodon | 42.7 | CHA |
| +010+ | 2.8 | Yu Darvish | 54.7 | SDN |
| +012+ | 2.67 | Trevor Rogers | 51.7 | MIA |
| +014+ | 2.54 | Kyle Gibson | 60.3 | TEX |
| +015+ | 2.53 | Anthony DeSclafani | 53.3 | SFN |
| +018+ | 2.49 | Lance Lynn | 40.7 | CHA |
| +019+ | 2.48 | Max Scherzer | 56.3 | WAS |
| +023+ | 2.21 | Zack Wheeler | 60.7 | PHI |
| +024+ | 2.15 | Danny Duffy | 41.7 | KCA |
| +027+ | 2.1 | Corbin Burnes | 40.3 | MIL |
| +031+ | 2.08 | Alex Wood | 42 | SFN |
| +036+ | 1.95 | Jack Flaherty | 53.3 | SLN |
| +039+ | 1.92 | Taijuan Walker | 48.7 | NYN |
| +041+ | 1.9 | John Gant | 39.7 | SLN |
| +043+ | 1.87 | Walker Buehler | 58.3 | LAN |
| +044+ | 1.83 | Joe Musgrove | 51 | SDN |
| +045+ | 1.81 | Pablo Lopez | 56 | MIA |
| +046+ | 1.79 | Ryan Weathers | 30.3 | SDN |
| +052+ | 1.7 | Hyun Jin Ryu | 46.7 | TOR |
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