| 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 |
| Zack Greinke | HOU | 3.69 | 202104120_DET_HOU |
| Stephen Strasburg | WAS | 2.26 | 202104130_WAS_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Trevor Cahill | PIT | -2.77 | 202104120_SDN_PIT |
| Nick Margevicius | SEA | -1.91 | 202104132_SEA_BAL |
| Kyle Gibson | TEX | -1.79 | 202104130_TEX_TBA |
| Aaron Sanchez | SFN | -1.41 | 202104120_CIN_SFN |
| Martin Perez | BOS | -1.36 | 202104130_BOS_MIN |
Based on accumulated WAA for this season up to 2021-04-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.63 | Tyler Glasnow | 19.7 | TBA |
| +003+ | 1.59 | Joe Musgrove | 19 | SDN |
| +004+ | 1.52 | Corbin Burnes | 18.3 | MIL |
| +006+ | 1.34 | Carlos Rodon | 14 | CHA |
| +007+ | 1.31 | Lance Lynn | 13.7 | CHA |
| XXXXX | 1.15 | Joe Ross | 11 | WAS |
| XXXXX | 1.1 | Gerrit Cole | 18.3 | NYA |
| XXXXX | 1.07 | Wade Miley | 11 | CIN |
| XXXXX | 1.06 | Johnny Cueto | 20 | SFN |
| XXXXX | 1.04 | Jacob deGrom | 14 | NYN |
| XXXXX | 1.01 | Freddy Peralta | 13 | MIL |
| XXXXX | 1.01 | Matt Boyd | 19.3 | DET |
| XXXXX | 1.01 | Shane Bieber | 21.3 | CLE |
| XXXXX | 0.97 | Huascar Ynoa | 12 | ATL |
| XXXXX | 0.95 | Hyun Jin Ryu | 19 | TOR |
| XXXXX | 0.93 | Danny Duffy | 12 | KCA |
| XXXXX | 0.89 | Marcus Stroman | 12.3 | NYN |
| XXXXX | 0.85 | Casey Mize | 11 | DET |
| XXXXX | 0.84 | Anthony DeSclafani | 11 | SFN |
| XXXXX | 0.76 | Brandon Woodruff | 17 | MIL |
| XXXXX | 0.76 | John Means | 16.7 | BAL |
| XXXXX | 0.74 | Steven Matz | 12.3 | TOR |
| XXXXX | 0.72 | Walker Buehler | 12 | LAN |
| XXXXX | 0.67 | Jakob Junis | 7 | KCA |
| XXXXX | 0.66 | Nathan Eovaldi | 17.3 | BOS |
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