| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 8.41 | 202105280_NYA_DET |
| Hyun Jin Ryu | TOR | 4.37 | 202105280_TOR_CLE |
| Shane Bieber | CLE | 4.33 | 202105270_CLE_DET |
| Trevor Bauer | LAN | 3.95 | 202105260_LAN_HOU |
| Marcus Stroman | NYN | 2.06 | 202105271_COL_NYN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -4.51 | 202105260_BAL_MIN |
| Trevor Williams | CHN | -3.99 | 202105260_CHN_PIT |
| Jordan Lyles | TEX | -3.05 | 202105280_TEX_SEA |
| Jeff Hoffman | CIN | -1.93 | 202105260_CIN_WAS |
| Drew Smyly | ATL | -1.61 | 202105260_ATL_BOS |
Based on accumulated WAA for this season up to 2021-05-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.82 | Gerrit Cole | 70.7 | NYA |
| +002+ | 3.79 | Brandon Woodruff | 64 | MIL |
| +003+ | 3.72 | Kevin Gausman | 64.7 | SFN |
| +005+ | 3.49 | John Means | 65.3 | BAL |
| +006+ | 3.35 | Jacob deGrom | 45 | NYN |
| +009+ | 3.2 | Carlos Rodon | 48.7 | CHA |
| +010+ | 3.14 | Yu Darvish | 61.7 | SDN |
| +011+ | 3.1 | Lance Lynn | 47.7 | CHA |
| +013+ | 3.05 | Trevor Bauer | 69.7 | LAN |
| +014+ | 2.9 | Trevor Rogers | 56.7 | MIA |
| +017+ | 2.67 | Max Scherzer | 63.3 | WAS |
| +018+ | 2.63 | Zack Wheeler | 68 | PHI |
| +022+ | 2.49 | Kyle Gibson | 60.3 | TEX |
| +028+ | 2.31 | John Gant | 44.7 | SLN |
| +030+ | 2.17 | Joe Musgrove | 55.7 | SDN |
| +032+ | 2.14 | Walker Buehler | 64.3 | LAN |
| +031+ | 2.14 | Tyler Glasnow | 70 | TBA |
| +036+ | 2.1 | Ryan Weathers | 34.3 | SDN |
| +035+ | 2.1 | Marcus Stroman | 58.7 | NYN |
| +038+ | 2.08 | Danny Duffy | 41.7 | KCA |
| +039+ | 2.01 | Pablo Lopez | 63 | MIA |
| +040+ | 1.96 | Hyun Jin Ryu | 58.3 | TOR |
| +046+ | 1.8 | Taijuan Walker | 48.7 | NYN |
| +047+ | 1.78 | Kris Bubic | 29.7 | KCA |
| +052+ | 1.74 | Corbin Burnes | 46.3 | MIL |
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