| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jacob deGrom | NYN | 10.34 | 202009110_NYN_TOR |
| Gerrit Cole | NYA | 5.74 | 202009111_BAL_NYA |
| Shane Bieber | CLE | 5.59 | 202009110_CLE_MIN |
| Max Scherzer | WAS | 5.43 | 202009130_ATL_WAS |
| Aaron Nola | PHI | 4.72 | 202009111_PHI_MIA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Luke Weaver | ARI | -2.04 | 202009130_SEA_ARI |
| Martin Perez | BOS | -1.98 | 202009130_BOS_TBA |
| Kyle Wright | ATL | -1.96 | 202009130_ATL_WAS |
| Robbie Ray | TOR | -1.87 | 202009120_NYN_TOR |
| Kolby Allard | TEX | -1.83 | 202009122_OAK_TEX |
Based on accumulated WAA for this season up to 2020-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.29 | Shane Bieber | 64.7 | CLE |
| +002+ | 3.61 | Jacob deGrom | 54 | NYN |
| +003+ | 3.59 | Yu Darvish | 56 | CHN |
| +006+ | 3.55 | Trevor Bauer | 51.7 | CIN |
| +007+ | 3.53 | Lance Lynn | 71.3 | TEX |
| +010+ | 2.99 | Aaron Nola | 56.3 | PHI |
| +012+ | 2.82 | Kenta Maeda | 55.7 | MIN |
| +014+ | 2.76 | Dinelson Lamet | 52.3 | SDN |
| +017+ | 2.66 | Dylan Bundy | 58 | ANA |
| +019+ | 2.6 | Corbin Burnes | 45.3 | MIL |
| +020+ | 2.55 | Zach Davies | 54.3 | SDN |
| +021+ | 2.51 | Brad Keller | 43.7 | KCA |
| +029+ | 2.25 | Clayton Kershaw | 41 | LAN |
| +030+ | 2.19 | Sixto Sanchez | 32 | MIA |
| +031+ | 2.16 | Gerrit Cole | 59 | NYA |
| +033+ | 2.08 | Zach Plesac | 41 | CLE |
| +040+ | 1.97 | Adam Wainwright | 46.3 | SLN |
| +042+ | 1.88 | Kyle Hendricks | 65.7 | CHN |
| +045+ | 1.87 | Zac Gallen | 60 | ARI |
| +049+ | 1.79 | Chris Bassitt | 49.3 | OAK |
| +052+ | 1.76 | Hyun Jin Ryu | 54 | TOR |
| +058+ | 1.67 | Austin Gomber | 17 | SLN |
| +066+ | 1.57 | Dakota Hudson | 37 | SLN |
| +070+ | 1.52 | Taijuan Walker | 42.7 | TOT |
| +069+ | 1.52 | Luis Castillo | 52.3 | CIN |
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