| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 6.12 | 202009190_LAN_COL |
| Trevor Bauer | CIN | 6.11 | 202009190_CHA_CIN |
| Hyun Jin Ryu | TOR | 4.52 | 202009190_TOR_PHI |
| Zack Greinke | HOU | 3.51 | 202009180_ARI_HOU |
| Max Scherzer | WAS | 3.5 | 202009201_WAS_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Rick Porcello | NYN | -3.73 | 202009200_ATL_NYN |
| Matthew Boyd | DET | -2.72 | 202009200_CLE_DET |
| Kyle Wright | ATL | -1.99 | 202009200_ATL_NYN |
| Jorge Lopez | BAL | -1.84 | 202009190_TBA_BAL |
| Luke Weaver | ARI | -1.83 | 202009190_ARI_HOU |
Based on accumulated WAA for this season up to 2020-09-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.33 | Shane Bieber | 72.3 | CLE |
| +002+ | 4.26 | Trevor Bauer | 65 | CIN |
| +007+ | 3.55 | Yu Darvish | 69 | CHN |
| +006+ | 3.55 | Dinelson Lamet | 65.3 | SDN |
| +008+ | 3.54 | Lance Lynn | 78.3 | TEX |
| +009+ | 3.44 | Corbin Burnes | 56 | MIL |
| +012+ | 3.16 | Max Fried | 55 | ATL |
| +014+ | 3.11 | Dallas Keuchel | 57.3 | CHA |
| +015+ | 3.08 | Jacob deGrom | 56 | NYN |
| +017+ | 2.84 | Kenta Maeda | 60.7 | MIN |
| +018+ | 2.79 | Zach Plesac | 48.7 | CLE |
| +019+ | 2.69 | Clayton Kershaw | 54.3 | LAN |
| +022+ | 2.56 | Kyle Hendricks | 73.7 | CHN |
| +025+ | 2.51 | Gerrit Cole | 66 | NYA |
| +026+ | 2.48 | Kwang Hyun Kim | 34 | SLN |
| +028+ | 2.45 | Chris Bassitt | 56 | OAK |
| +029+ | 2.41 | Aaron Nola | 61.7 | PHI |
| +030+ | 2.41 | Zach Davies | 60.3 | SDN |
| +032+ | 2.38 | Tony Gonsolin | 40.7 | LAN |
| +039+ | 2.2 | Zac Gallen | 66 | ARI |
| +040+ | 2.18 | Luis Castillo | 59.3 | CIN |
| +043+ | 2.04 | Carlos Carrasco | 62 | CLE |
| +045+ | 1.97 | Hyun Jin Ryu | 60 | TOR |
| +047+ | 1.94 | Brad Keller | 48.7 | KCA |
| +049+ | 1.93 | Antonio Senzatela | 69 | COL |
_