| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shane Bieber | CLE | 7.28 | 202104130_CLE_CHA |
| Hyun Jin Ryu | TOR | 4.87 | 202104130_NYA_TOR |
| Lance Lynn | CHA | 4.47 | 202104150_CLE_CHA |
| Stephen Strasburg | WAS | 2.26 | 202104130_WAS_SLN |
| Charlie Morton | ATL | 1.81 | 202104140_MIA_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | BAL | -3.2 | 202104151_SEA_BAL |
| Nick Margevicius | SEA | -1.91 | 202104132_SEA_BAL |
| Kyle Gibson | TEX | -1.79 | 202104130_TEX_TBA |
| Martin Perez | BOS | -1.36 | 202104130_BOS_MIN |
| Antonio Senzatela | COL | -1.28 | 202104130_COL_LAN |
Based on accumulated WAA for this season up to 2021-04-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 1.63 | Tyler Glasnow | 19.7 | TBA |
| +004+ | 1.6 | Joe Musgrove | 19 | SDN |
| +005+ | 1.53 | Corbin Burnes | 18.3 | MIL |
| +006+ | 1.47 | Lance Lynn | 19.7 | CHA |
| +008+ | 1.34 | Carlos Rodon | 14 | CHA |
| +009+ | 1.32 | Michael Pineda | 18 | MIN |
| XXXXX | 1.14 | Joe Ross | 11 | WAS |
| XXXXX | 1.11 | Gerrit Cole | 18.3 | NYA |
| XXXXX | 1.07 | Johnny Cueto | 20 | SFN |
| XXXXX | 1.07 | Wade Miley | 11 | CIN |
| XXXXX | 1.05 | Jacob deGrom | 14 | NYN |
| XXXXX | 1.04 | Matt Boyd | 19.3 | DET |
| XXXXX | 1.02 | Freddy Peralta | 13 | MIL |
| XXXXX | 1.02 | Shane Bieber | 21.3 | CLE |
| XXXXX | 0.97 | Hyun Jin Ryu | 19 | TOR |
| XXXXX | 0.97 | Huascar Ynoa | 12 | ATL |
| XXXXX | 0.96 | Aaron Civale | 20.7 | CLE |
| XXXXX | 0.94 | Danny Duffy | 12 | KCA |
| XXXXX | 0.9 | Marcus Stroman | 12.3 | NYN |
| XXXXX | 0.86 | Casey Mize | 11 | DET |
| XXXXX | 0.84 | Anthony DeSclafani | 11 | SFN |
| XXXXX | 0.81 | Nathan Eovaldi | 17.3 | BOS |
| XXXXX | 0.77 | Brandon Woodruff | 17 | MIL |
| XXXXX | 0.76 | Steven Matz | 12.3 | TOR |
| XXXXX | 0.73 | Jakob Junis | 12 | KCA |
_