| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 7.27 | 202009220_NYA_TOR |
| Trevor Bauer | CIN | 6.31 | 202009230_MIL_CIN |
| Shane Bieber | CLE | 5.41 | 202009230_CHA_CLE |
| Aaron Nola | PHI | 4.71 | 202009221_PHI_WAS |
| Hyun Jin Ryu | TOR | 4.12 | 202009240_NYA_TOR |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nick Pivetta | BOS | -3.06 | 202009220_BAL_BOS |
| Robbie Ray | TOR | -2.77 | 202009230_NYA_TOR |
| Jordan Lyles | TEX | -2.43 | 202009220_TEX_ARI |
| Michael Fulmer | DET | -1.91 | 202009240_DET_KCA |
| Trevor Williams | PIT | -1.85 | 202009230_CHN_PIT |
Based on accumulated WAA for this season up to 2020-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.85 | Trevor Bauer | 73 | CIN |
| +002+ | 4.8 | Shane Bieber | 77.3 | CLE |
| +006+ | 3.55 | Yu Darvish | 69 | CHN |
| +007+ | 3.53 | Dinelson Lamet | 65.3 | SDN |
| +008+ | 3.51 | Dallas Keuchel | 63.3 | CHA |
| +009+ | 3.35 | Jacob deGrom | 63 | NYN |
| +012+ | 3.2 | Corbin Burnes | 59.7 | MIL |
| +015+ | 3.03 | Gerrit Cole | 73 | NYA |
| +017+ | 2.93 | Kyle Hendricks | 81.3 | CHN |
| +019+ | 2.9 | Zack Wheeler | 64 | PHI |
| +021+ | 2.82 | Max Fried | 56 | ATL |
| +022+ | 2.8 | Kwang Hyun Kim | 39 | SLN |
| +023+ | 2.79 | Kenta Maeda | 66.7 | MIN |
| +026+ | 2.68 | Clayton Kershaw | 54.3 | LAN |
| +027+ | 2.66 | Hyun Jin Ryu | 67 | TOR |
| +028+ | 2.64 | Luis Castillo | 66 | CIN |
| +029+ | 2.6 | Zach Plesac | 55.3 | CLE |
| +031+ | 2.45 | Aaron Nola | 67.7 | PHI |
| +035+ | 2.37 | Zach Davies | 66.3 | SDN |
| +036+ | 2.37 | Tony Gonsolin | 40.7 | LAN |
| +039+ | 2.25 | Adam Wainwright | 59 | SLN |
| +041+ | 2.24 | Lance Lynn | 84 | TEX |
| +042+ | 2.17 | Zac Gallen | 66 | ARI |
| +045+ | 2.06 | Marco Gonzales | 64.7 | SEA |
| +048+ | 2 | Carlos Carrasco | 62 | CLE |
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