| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shane Bieber | CLE | 9.25 | 202105050_CLE_KCA |
| Gerrit Cole | NYA | 8.99 | 202105060_HOU_NYA |
| Hyun Jin Ryu | TOR | 5.16 | 202105060_TOR_OAK |
| Yu Darvish | SDN | 4.69 | 202105050_PIT_SDN |
| Marcus Stroman | NYN | 3.51 | 202105051_NYN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | TEX | -3.89 | 202105060_TEX_MIN |
| Drew Smyly | ATL | -3.69 | 202105060_ATL_WAS |
| Trevor Cahill | PIT | -3.64 | 202105070_PIT_CHN |
| Yusei Kikuchi | SEA | -2.14 | 202105050_BAL_SEA |
| Matt Harvey | BAL | -2.03 | 202105070_BOS_BAL |
Based on accumulated WAA for this season up to 2021-05-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 2.91 | Jacob deGrom | 35 | NYN |
| +003+ | 2.86 | John Means | 46 | BAL |
| +004+ | 2.55 | Carlos Rodon | 31 | CHA |
| +005+ | 2.43 | Gerrit Cole | 44.7 | NYA |
| +007+ | 2.32 | Danny Duffy | 35.7 | KCA |
| +009+ | 2.18 | Brandon Woodruff | 41.7 | MIL |
| +011+ | 1.89 | Tyler Glasnow | 43.7 | TBA |
| +012+ | 1.85 | Kevin Gausman | 39.7 | SFN |
| +014+ | 1.75 | Trevor Rogers | 38 | MIA |
| +016+ | 1.69 | Pablo Lopez | 39.7 | MIA |
| +017+ | 1.68 | Yu Darvish | 43.7 | SDN |
| +021+ | 1.62 | Wade Miley | 36 | CIN |
| +022+ | 1.61 | Matt Boyd | 35.7 | DET |
| +023+ | 1.59 | Anthony DeSclafani | 41.3 | SFN |
| +024+ | 1.58 | Marcus Stroman | 34.3 | NYN |
| +027+ | 1.54 | Trevor Bauer | 44.3 | LAN |
| +028+ | 1.52 | Kyle Gibson | 41.3 | TEX |
| +034+ | 1.41 | Max Scherzer | 39 | WAS |
| +035+ | 1.41 | J. A. Happ | 28.3 | MIN |
| +038+ | 1.39 | Huascar Ynoa | 34.3 | ATL |
| +043+ | 1.36 | Cristian Javier | 25.7 | HOU |
| +046+ | 1.35 | Ryan Weathers | 19.3 | SDN |
| +044+ | 1.35 | Zack Wheeler | 47.7 | PHI |
| +052+ | 1.32 | Michael Kopech | 20.3 | CHA |
| +053+ | 1.31 | Lance Lynn | 24.7 | CHA |
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