| Starter | Tm | Tier | Game |
|---|---|---|---|
| Shane Bieber | CLE | 8.73 | 202104070_KCA_CLE |
| Hyun Jin Ryu | TOR | 5.26 | 202104070_TOR_TEX |
| Kyle Hendricks | CHN | 3.54 | 202104070_MIL_CHN |
| Luis Castillo | CIN | 3.46 | 202104070_PIT_CIN |
| Lance Lynn | CHA | 3.02 | 202104080_KCA_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Derek Holland | DET | -4.92 | 202104090_DET_CLE |
| Matt Harvey | BAL | -2.95 | 202104080_BOS_BAL |
| Jakob Junis | KCA | -2.4 | 202104070_KCA_CLE |
| Andrew Heaney | ANA | -1.68 | 202104090_ANA_TOR |
| Kyle Gibson | TEX | -1.54 | 202104070_TOR_TEX |
Based on accumulated WAA for this season up to 2021-04-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 1.38 | Joe Musgrove | 15 | SDN |
| +003+ | 1.34 | Lance Lynn | 13.7 | CHA |
| XXXXX | 0.94 | Corbin Burnes | 12.3 | MIL |
| XXXXX | 0.92 | Tyler Glasnow | 12 | TBA |
| XXXXX | 0.88 | John Means | 11.7 | BAL |
| XXXXX | 0.88 | Kevin Gausman | 13.7 | SFN |
| XXXXX | 0.84 | Zach Plesac | 13 | CLE |
| XXXXX | 0.81 | Zack Greinke | 13 | HOU |
| XXXXX | 0.71 | Walker Buehler | 12 | LAN |
| XXXXX | 0.71 | Sandy Alcantara | 12 | MIA |
| XXXXX | 0.7 | Gerrit Cole | 12.3 | NYA |
| XXXXX | 0.68 | Jakob Junis | 7 | KCA |
| XXXXX | 0.68 | Nathan Eovaldi | 12.3 | BOS |
| XXXXX | 0.68 | Pablo Lopez | 11.7 | MIA |
| XXXXX | 0.66 | Jose Berrios | 11.7 | MIN |
| XXXXX | 0.65 | Stephen Strasburg | 6 | WAS |
| XXXXX | 0.65 | Freddy Peralta | 7 | MIL |
| XXXXX | 0.63 | Jon Gray | 11.7 | COL |
| XXXXX | 0.62 | Huascar Ynoa | 6 | ATL |
| XXXXX | 0.59 | Jacob deGrom | 6 | NYN |
| XXXXX | 0.58 | Danny Duffy | 6 | KCA |
| XXXXX | 0.57 | Dustin May | 6 | LAN |
| XXXXX | 0.55 | Matt Boyd | 12.7 | DET |
| XXXXX | 0.55 | Wade Miley | 6 | CIN |
| XXXXX | 0.54 | Jordan Montgomery | 6 | NYA |
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