| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 10.88 | 202104280_BOS_NYN |
| Shane Bieber | CLE | 9.26 | 202104300_CLE_CHA |
| Gerrit Cole | NYA | 7.78 | 202104300_DET_NYA |
| Clayton Kershaw | LAN | 5.85 | 202104280_CIN_LAN |
| Yu Darvish | SDN | 3.77 | 202104300_SFN_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -6.54 | 202104290_NYA_BAL |
| Yusei Kikuchi | SEA | -3.16 | 202104290_SEA_HOU |
| Zack Godley | MIL | -3.1 | 202104280_MIA_MIL |
| Drew Smyly | ATL | -2.56 | 202104300_ATL_TOR |
| Mitch Keller | PIT | -2.01 | 202104280_KCA_PIT |
Based on accumulated WAA for this season up to 2021-04-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.82 | Jacob deGrom | 35 | NYN |
| +003+ | 2.18 | Gerrit Cole | 37.7 | NYA |
| +005+ | 1.97 | Carlos Rodon | 25 | CHA |
| +006+ | 1.96 | John Means | 37 | BAL |
| +007+ | 1.95 | Danny Duffy | 23 | KCA |
| +008+ | 1.93 | Tyler Glasnow | 37.7 | TBA |
| +011+ | 1.77 | Joe Musgrove | 29 | SDN |
| +013+ | 1.69 | Anthony DeSclafani | 30 | SFN |
| +015+ | 1.63 | Trevor Rogers | 28 | MIA |
| +017+ | 1.61 | Corbin Burnes | 29.3 | MIL |
| +018+ | 1.6 | Clayton Kershaw | 38.7 | LAN |
| +020+ | 1.58 | Matt Boyd | 35.7 | DET |
| +019+ | 1.58 | Brandon Woodruff | 29 | MIL |
| +021+ | 1.53 | Yu Darvish | 38 | SDN |
| +023+ | 1.49 | Cristian Javier | 20.7 | HOU |
| +025+ | 1.46 | Lance Lynn | 19.7 | CHA |
| +027+ | 1.46 | Marcus Stroman | 29.3 | NYN |
| +029+ | 1.4 | Kevin Gausman | 33.7 | SFN |
| +030+ | 1.4 | Kyle Gibson | 33.3 | TEX |
| +037+ | 1.3 | Tyler Mahle | 25.7 | CIN |
| +038+ | 1.3 | Trevor Bauer | 40 | LAN |
| +041+ | 1.26 | Ryan Weathers | 16.3 | SDN |
| XXXXX | 1.17 | Pablo Lopez | 34.7 | MIA |
| XXXXX | 1.15 | Shane Bieber | 42.3 | CLE |
| XXXXX | 1.13 | Michael Pineda | 27.3 | MIN |
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