| Starter | Tm | Tier | Game |
|---|---|---|---|
| Clayton Kershaw | LAN | 6.12 | 202009190_LAN_COL |
| Trevor Bauer | CIN | 6.11 | 202009190_CHA_CIN |
| Aaron Nola | PHI | 5.89 | 202009170_NYN_PHI |
| Shane Bieber | CLE | 5.45 | 202009170_CLE_DET |
| Hyun Jin Ryu | TOR | 4.52 | 202009190_TOR_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | TEX | -2.62 | 202009170_TEX_HOU |
| Michael Fulmer | DET | -2.17 | 202009180_CLE_DET |
| Jorge Lopez | BAL | -1.84 | 202009190_TBA_BAL |
| Luke Weaver | ARI | -1.83 | 202009190_ARI_HOU |
| Vince Velasquez | PHI | -1.82 | 202009190_TOR_PHI |
Based on accumulated WAA for this season up to 2020-09-19.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.35 | Shane Bieber | 72.3 | CLE |
| +002+ | 4.28 | Trevor Bauer | 65 | CIN |
| +006+ | 3.79 | Yu Darvish | 63 | CHN |
| +007+ | 3.57 | Lance Lynn | 78.3 | TEX |
| +008+ | 3.46 | Corbin Burnes | 56 | MIL |
| +011+ | 3.19 | Dinelson Lamet | 59.3 | SDN |
| +012+ | 3.18 | Max Fried | 55 | ATL |
| +014+ | 3.11 | Dallas Keuchel | 57.3 | CHA |
| +015+ | 3.1 | Jacob deGrom | 56 | NYN |
| +017+ | 2.86 | Kenta Maeda | 60.7 | MIN |
| +018+ | 2.81 | Zach Plesac | 48.7 | CLE |
| +019+ | 2.71 | Zack Wheeler | 58.3 | PHI |
| +020+ | 2.69 | Clayton Kershaw | 54.3 | LAN |
| +021+ | 2.58 | Kyle Hendricks | 73.7 | CHN |
| +024+ | 2.52 | Gerrit Cole | 66 | NYA |
| +025+ | 2.5 | Kwang Hyun Kim | 34 | SLN |
| +028+ | 2.47 | Brad Keller | 43.7 | KCA |
| +027+ | 2.47 | Chris Bassitt | 56 | OAK |
| +031+ | 2.46 | Zach Davies | 60.3 | SDN |
| +032+ | 2.44 | Aaron Nola | 61.7 | PHI |
| +035+ | 2.3 | Tony Gonsolin | 35.7 | LAN |
| +036+ | 2.2 | Zac Gallen | 66 | ARI |
| +037+ | 2.2 | Luis Castillo | 59.3 | CIN |
| +046+ | 1.99 | Hyun Jin Ryu | 60 | TOR |
| +054+ | 1.79 | Dylan Bundy | 60.7 | ANA |
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