| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shane Bieber | CLE | 7.28 | 202104130_CLE_CHA |
| Gerrit Cole | NYA | 6.33 | 202104120_NYA_TOR |
| Hyun Jin Ryu | TOR | 4.87 | 202104130_NYA_TOR |
| Clayton Kershaw | LAN | 4.43 | 202104110_WAS_LAN |
| Zack Greinke | HOU | 3.69 | 202104120_DET_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -4.73 | 202104110_BOS_BAL |
| Trevor Williams | CHN | -2.82 | 202104110_CHN_PIT |
| Trevor Cahill | PIT | -2.77 | 202104120_SDN_PIT |
| Nick Margevicius | SEA | -1.91 | 202104132_SEA_BAL |
| Kyle Gibson | TEX | -1.79 | 202104130_TEX_TBA |
Based on accumulated WAA for this season up to 2021-04-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.66 | Tyler Glasnow | 19.7 | TBA |
| +003+ | 1.43 | Joe Musgrove | 15 | SDN |
| +006+ | 1.33 | Lance Lynn | 13.7 | CHA |
| XXXXX | 1.11 | Gerrit Cole | 18.3 | NYA |
| XXXXX | 1.07 | Wade Miley | 11 | CIN |
| XXXXX | 1.05 | Jacob deGrom | 14 | NYN |
| XXXXX | 1.05 | Matt Boyd | 19.3 | DET |
| XXXXX | 1.03 | Shane Bieber | 21.3 | CLE |
| XXXXX | 1.03 | Freddy Peralta | 13 | MIL |
| XXXXX | 1 | Huascar Ynoa | 12 | ATL |
| XXXXX | 0.98 | Hyun Jin Ryu | 19 | TOR |
| XXXXX | 0.97 | Corbin Burnes | 12.3 | MIL |
| XXXXX | 0.95 | Danny Duffy | 12 | KCA |
| XXXXX | 0.9 | Marcus Stroman | 12.3 | NYN |
| XXXXX | 0.86 | Casey Mize | 11 | DET |
| XXXXX | 0.85 | Zach Plesac | 13 | CLE |
| XXXXX | 0.85 | Anthony DeSclafani | 11 | SFN |
| XXXXX | 0.79 | Brandon Woodruff | 17 | MIL |
| XXXXX | 0.79 | John Means | 16.7 | BAL |
| XXXXX | 0.76 | Steven Matz | 12.3 | TOR |
| XXXXX | 0.73 | Walker Buehler | 12 | LAN |
| XXXXX | 0.71 | Nathan Eovaldi | 12.3 | BOS |
| XXXXX | 0.7 | Jon Gray | 11.7 | COL |
| XXXXX | 0.68 | Jakob Junis | 7 | KCA |
| XXXXX | 0.68 | Dane Dunning | 9 | TEX |
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