| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walker Buehler | LAN | 8.26 | 202108140_LAN_NYN |
| Zack Wheeler | PHI | 7.09 | 202108130_CIN_PHI |
| Robbie Ray | TOR | 2.47 | 202108130_TOR_SEA |
| Joe Musgrove | SDN | 2.37 | 202108140_SDN_ARI |
| Anthony DeSclafani | SFN | 0.86 | 202108130_COL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| J.A. Happ | SLN | -5.06 | 202108150_SLN_KCA |
| Keegan Akin | BAL | -4.47 | 202108150_BAL_BOS |
| Patrick Corbin | WAS | -2.95 | 202108140_ATL_WAS |
| Brad Keller | KCA | -2.9 | 202108140_SLN_KCA |
| Mitch Keller | PIT | -2.59 | 202108142_MIL_PIT |
Based on accumulated WAA for this season up to 2021-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 7.65 | Walker Buehler | 154.7 | LAN |
| +004+ | 6.51 | Brandon Woodruff | 140.3 | MIL |
| +005+ | 6.35 | Zack Wheeler | 162 | PHI |
| +007+ | 5.94 | Kevin Gausman | 137.3 | SFN |
| +009+ | 5.64 | Lance Lynn | 119.7 | CHA |
| +010+ | 5.47 | Corbin Burnes | 121 | MIL |
| +012+ | 5.31 | Freddy Peralta | 119.3 | MIL |
| +015+ | 4.86 | Carlos Rodon | 109.7 | CHA |
| +016+ | 4.84 | Marcus Stroman | 132.7 | NYN |
| +017+ | 4.83 | Max Scherzer | 127.3 | TOT |
| +021+ | 4.53 | Robbie Ray | 137.3 | TOR |
| +036+ | 3.87 | Chris Bassitt | 150 | OAK |
| +041+ | 3.72 | Ranger Suarez | 50.3 | PHI |
| +049+ | 3.37 | Wade Miley | 126 | CIN |
| +050+ | 3.36 | Adam Wainwright | 148.7 | SLN |
| +051+ | 3.35 | Kyle Gibson | 130 | TOT |
| +052+ | 3.29 | Joe Musgrove | 133.3 | SDN |
| +069+ | 2.83 | Julio Urias | 139.7 | LAN |
| +073+ | 2.76 | Shohei Ohtani | 92 | ANA |
| +081+ | 2.63 | Anthony DeSclafani | 131.3 | SFN |
| +082+ | 2.58 | Cal Quantrill | 97.7 | CLE |
| +086+ | 2.54 | Cristian Javier | 84.7 | HOU |
| +088+ | 2.52 | Jack Flaherty | 68 | SLN |
| +090+ | 2.51 | Lance McCullers | 114.7 | HOU |
| +091+ | 2.5 | Danny Duffy | 61 | KCA |
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