| Starter | Tm | Tier | Game |
|---|---|---|---|
| Kevin Gausman | SFN | 5.08 | 202108110_ARI_SFN |
| Freddy Peralta | MIL | 3.75 | 202108101_MIL_CHN |
| Max Scherzer | LAN | 3.21 | 202108100_LAN_PHI |
| Wade Miley | CIN | 2.56 | 202108110_CIN_ATL |
| Joe Musgrove | SDN | 1.89 | 202108090_MIA_SDN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | SLN | -6.38 | 202108100_SLN_PIT |
| Matt Harvey | BAL | -4.01 | 202108110_DET_BAL |
| Jake Arrieta | CHN | -3.35 | 202108110_MIL_CHN |
| Sam Hentges | CLE | -2.82 | 202108090_CIN_CLE |
| Dylan Bundy | ANA | -2.59 | 202108110_TOR_ANA |
Based on accumulated WAA for this season up to 2021-08-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.14 | Walker Buehler | 147.7 | LAN |
| +004+ | 6.55 | Zack Wheeler | 156 | PHI |
| +006+ | 6.1 | Brandon Woodruff | 137.3 | MIL |
| +007+ | 5.96 | Lance Lynn | 114.7 | CHA |
| +009+ | 5.88 | Kevin Gausman | 137.3 | SFN |
| +010+ | 5.37 | Corbin Burnes | 121 | MIL |
| +012+ | 5.21 | Freddy Peralta | 119.3 | MIL |
| +016+ | 4.83 | Carlos Rodon | 109.7 | CHA |
| +017+ | 4.57 | Max Scherzer | 121.3 | TOT |
| +018+ | 4.46 | Marcus Stroman | 127.3 | NYN |
| +020+ | 4.42 | Trevor Rogers | 110 | MIA |
| +025+ | 4.18 | Robbie Ray | 130.3 | TOR |
| +033+ | 3.98 | Joe Musgrove | 128.3 | SDN |
| +043+ | 3.48 | Ranger Suarez | 46 | PHI |
| +048+ | 3.31 | Wade Miley | 126 | CIN |
| +047+ | 3.31 | Adam Wainwright | 148.7 | SLN |
| +049+ | 3.29 | Kyle Gibson | 130 | TOT |
| +050+ | 3.22 | John Means | 93.7 | BAL |
| +051+ | 3.21 | Chris Bassitt | 144 | OAK |
| +060+ | 3.08 | Jose Berrios | 133.7 | TOT |
| +073+ | 2.71 | German Marquez | 136.7 | COL |
| +074+ | 2.69 | Aaron Loup | 37 | NYN |
| +079+ | 2.56 | Shohei Ohtani | 86 | ANA |
| +080+ | 2.54 | Cal Quantrill | 97.7 | CLE |
| +082+ | 2.52 | Cristian Javier | 82.7 | HOU |
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