| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 11.6 | 202009160_NYN_PHI |
| Gerrit Cole | NYA | 7.31 | 202009160_TOR_NYA |
| Clayton Kershaw | LAN | 6.98 | 202009140_LAN_SDN |
| Trevor Bauer | CIN | 5.68 | 202009141_PIT_CIN |
| Zack Wheeler | PHI | 3.34 | 202009160_NYN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matthew Boyd | DET | -3.53 | 202009150_KCA_DET |
| Rick Porcello | NYN | -3.4 | 202009150_NYN_PHI |
| Jorge Lopez | BAL | -2.78 | 202009140_ATL_BAL |
| Austin Voth | WAS | -2.19 | 202009160_WAS_TBA |
| Touki Toussaint | ATL | -1.65 | 202009140_ATL_BAL |
Based on accumulated WAA for this season up to 2020-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.23 | Shane Bieber | 64.7 | CLE |
| +002+ | 3.99 | Trevor Bauer | 58 | CIN |
| +004+ | 3.83 | Yu Darvish | 63 | CHN |
| +007+ | 3.46 | Lance Lynn | 71.3 | TEX |
| +009+ | 3.21 | Dinelson Lamet | 59.3 | SDN |
| +011+ | 3.14 | Jacob deGrom | 56 | NYN |
| +014+ | 2.87 | Corbin Burnes | 50 | MIL |
| +016+ | 2.75 | Kwang Hyun Kim | 28.7 | SLN |
| +019+ | 2.71 | Zack Wheeler | 58.3 | PHI |
| +020+ | 2.64 | Gerrit Cole | 66 | NYA |
| +022+ | 2.48 | Brad Keller | 43.7 | KCA |
| +023+ | 2.48 | Zach Davies | 60.3 | SDN |
| +025+ | 2.32 | Adam Wainwright | 53.3 | SLN |
| +027+ | 2.31 | Tony Gonsolin | 35.7 | LAN |
| +029+ | 2.25 | Luis Castillo | 59.3 | CIN |
| +031+ | 2.22 | Clayton Kershaw | 47.3 | LAN |
| +035+ | 2.15 | Sixto Sanchez | 32 | MIA |
| +037+ | 2.04 | Zach Plesac | 41 | CLE |
| +046+ | 1.83 | Dylan Bundy | 60.7 | ANA |
| +049+ | 1.8 | Zac Gallen | 60 | ARI |
| +051+ | 1.8 | Kyle Hendricks | 65.7 | CHN |
| +054+ | 1.77 | Dustin May | 47 | LAN |
| +055+ | 1.73 | Hyun Jin Ryu | 54 | TOR |
| +073+ | 1.54 | Antonio Senzatela | 62.7 | COL |
| +080+ | 1.47 | Taijuan Walker | 44.3 | TOT |
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