| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hyun Jin Ryu | TOR | 6.13 | 202104200_TOR_BOS |
| Max Scherzer | WAS | 4.02 | 202104210_SLN_WAS |
| Lucas Giolito | CHA | 2.8 | 202104190_CHA_BOS |
| Brandon Woodruff | MIL | 1.78 | 202104190_MIL_SDN |
| Zac Gallen | ARI | 1.76 | 202104200_ARI_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | BAL | -3 | 202104200_BAL_MIA |
| Jose Quintana | ANA | -1.6 | 202104210_TEX_ANA |
| Carlos Martinez | SLN | -1.23 | 202104210_SLN_WAS |
| Jordan Lyles | TEX | -1.19 | 202104200_TEX_ANA |
| Michael Wacha | TBA | -1.06 | 202104210_TBA_KCA |
Based on accumulated WAA for this season up to 2021-04-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 2.02 | Corbin Burnes | 24.3 | MIL |
| +004+ | 1.84 | Tyler Glasnow | 24.7 | TBA |
| +005+ | 1.74 | Joe Musgrove | 26 | SDN |
| +007+ | 1.68 | Jacob deGrom | 20 | NYN |
| +008+ | 1.63 | Carlos Rodon | 19 | CHA |
| +011+ | 1.51 | Danny Duffy | 18 | KCA |
| +012+ | 1.5 | Marcus Stroman | 20.3 | NYN |
| +013+ | 1.48 | Lance Lynn | 19.7 | CHA |
| +014+ | 1.43 | John Means | 23.7 | BAL |
| +016+ | 1.39 | Max Scherzer | 25 | WAS |
| +018+ | 1.35 | Matt Boyd | 26.7 | DET |
| +019+ | 1.34 | Michael Pineda | 18 | MIN |
| XXXXX | 1.22 | Gerrit Cole | 24.7 | NYA |
| XXXXX | 1.19 | Dane Dunning | 15 | TEX |
| XXXXX | 1.14 | Steven Matz | 18.3 | TOR |
| XXXXX | 1.11 | Aaron Nola | 24.7 | PHI |
| XXXXX | 1.09 | Shane Bieber | 29.3 | CLE |
| XXXXX | 1.07 | Tyler Mahle | 20.7 | CIN |
| XXXXX | 1.06 | Trevor Rogers | 22 | MIA |
| XXXXX | 1.06 | Brandon Woodruff | 23 | MIL |
| XXXXX | 1.03 | Johnny Cueto | 20 | SFN |
| XXXXX | 1.01 | Clayton Kershaw | 24.7 | LAN |
| XXXXX | 0.94 | Taylor Widener | 17 | ARI |
| XXXXX | 0.93 | Kevin Gausman | 25.7 | SFN |
| XXXXX | 0.92 | Trevor Bauer | 26 | LAN |
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