| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 11.6 | 202009160_NYN_PHI |
| Gerrit Cole | NYA | 7.31 | 202009160_TOR_NYA |
| Aaron Nola | PHI | 5.89 | 202009170_NYN_PHI |
| Shane Bieber | CLE | 5.45 | 202009170_CLE_DET |
| Zack Greinke | HOU | 3.51 | 202009180_ARI_HOU |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | TEX | -2.62 | 202009170_TEX_HOU |
| Austin Voth | WAS | -2.19 | 202009160_WAS_TBA |
| Michael Fulmer | DET | -2.17 | 202009180_CLE_DET |
| Martin Perez | BOS | -1.78 | 202009180_NYA_BOS |
| Robbie Ray | TOR | -1.72 | 202009181_PHI_TOR |
Based on accumulated WAA for this season up to 2020-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.38 | Shane Bieber | 72.3 | CLE |
| +003+ | 3.99 | Trevor Bauer | 58 | CIN |
| +005+ | 3.83 | Yu Darvish | 63 | CHN |
| +007+ | 3.5 | Lance Lynn | 71.3 | TEX |
| +010+ | 3.22 | Dinelson Lamet | 59.3 | SDN |
| +011+ | 3.2 | Max Fried | 55 | ATL |
| +012+ | 3.14 | Jacob deGrom | 56 | NYN |
| +015+ | 2.9 | Kenta Maeda | 60.7 | MIN |
| +016+ | 2.87 | Corbin Burnes | 50 | MIL |
| +017+ | 2.82 | Zach Plesac | 48.7 | CLE |
| +019+ | 2.75 | Zack Wheeler | 58.3 | PHI |
| +021+ | 2.63 | Kyle Hendricks | 73.7 | CHN |
| +023+ | 2.57 | Gerrit Cole | 66 | NYA |
| +024+ | 2.51 | Chris Bassitt | 56 | OAK |
| +027+ | 2.49 | Aaron Nola | 61.7 | PHI |
| +026+ | 2.49 | Brad Keller | 43.7 | KCA |
| +028+ | 2.48 | Zach Davies | 60.3 | SDN |
| +032+ | 2.37 | Adam Wainwright | 53.3 | SLN |
| +034+ | 2.32 | Tony Gonsolin | 35.7 | LAN |
| +036+ | 2.25 | Luis Castillo | 59.3 | CIN |
| +038+ | 2.23 | Zac Gallen | 66 | ARI |
| +037+ | 2.23 | Clayton Kershaw | 47.3 | LAN |
| +049+ | 1.83 | Dylan Bundy | 60.7 | ANA |
| +050+ | 1.82 | Dakota Hudson | 39 | SLN |
| +052+ | 1.81 | Hyun Jin Ryu | 54 | TOR |
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