| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 9.06 | 202105310_NYN_ARI |
| Brandon Woodruff | MIL | 5.56 | 202105300_MIL_WAS |
| Max Scherzer | WAS | 5.09 | 202105300_MIL_WAS |
| Shane Bieber | CLE | 4.96 | 202106010_CHA_CLE |
| Trevor Bauer | LAN | 4.28 | 202105310_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -4.72 | 202105310_MIN_BAL |
| Jose Quintana | ANA | -2.92 | 202105300_ANA_OAK |
| Yusei Kikuchi | SEA | -0.97 | 202105300_TEX_SEA |
| Joe Ross | WAS | -0.96 | 202105310_WAS_ATL |
| Tarik Skubal | DET | -0.89 | 202105300_NYA_DET |
Based on accumulated WAA for this season up to 2021-06-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.49 | Brandon Woodruff | 71 | MIL |
| +002+ | 4.29 | Kevin Gausman | 70.7 | SFN |
| +004+ | 4.01 | Jacob deGrom | 51 | NYN |
| +005+ | 3.83 | Gerrit Cole | 70.7 | NYA |
| +006+ | 3.66 | Lance Lynn | 52.7 | CHA |
| +008+ | 3.41 | John Means | 70.3 | BAL |
| +010+ | 3.07 | Trevor Rogers | 62.7 | MIA |
| +011+ | 3.05 | Trevor Bauer | 76.3 | LAN |
| +014+ | 2.9 | John Gant | 50.7 | SLN |
| +015+ | 2.89 | Max Scherzer | 69.3 | WAS |
| +018+ | 2.81 | Carlos Rodon | 54.7 | CHA |
| +019+ | 2.77 | Yu Darvish | 66.7 | SDN |
| +020+ | 2.71 | Zack Wheeler | 75 | PHI |
| +021+ | 2.64 | Joe Musgrove | 60.7 | SDN |
| +025+ | 2.51 | Kyle Gibson | 60.3 | TEX |
| +030+ | 2.38 | Taijuan Walker | 53.7 | NYN |
| +036+ | 2.16 | Marcus Stroman | 64.7 | NYN |
| +038+ | 2.15 | Tyler Glasnow | 77 | TBA |
| +037+ | 2.15 | Walker Buehler | 64.3 | LAN |
| +040+ | 2.12 | Corbin Burnes | 52.3 | MIL |
| +041+ | 2.11 | Freddy Peralta | 56.7 | MIL |
| +045+ | 2.05 | Pablo Lopez | 63 | MIA |
| +047+ | 2.02 | Hyun Jin Ryu | 58.3 | TOR |
| +054+ | 1.82 | Shane Bieber | 79 | CLE |
| +056+ | 1.79 | Michael Kopech | 31.3 | CHA |
_