| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 8.26 | 202105220_CHA_NYA |
| Shane Bieber | CLE | 5.91 | 202105220_MIN_CLE |
| Yu Darvish | SDN | 5.51 | 202105230_SEA_SDN |
| Hyun Jin Ryu | TOR | 4.94 | 202105230_TBA_TOR |
| Trevor Bauer | LAN | 3.5 | 202105210_LAN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jorge Lopez | BAL | -5.46 | 202105210_BAL_WAS |
| Mitch Keller | PIT | -3.38 | 202105220_PIT_ATL |
| Jose Quintana | ANA | -3.02 | 202105210_OAK_ANA |
| Jordan Lyles | TEX | -2.9 | 202105220_HOU_TEX |
| Jeff Hoffman | CIN | -2.69 | 202105210_MIL_CIN |
Based on accumulated WAA for this season up to 2021-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.51 | Gerrit Cole | 64.7 | NYA |
| +002+ | 3.33 | Kevin Gausman | 59.7 | SFN |
| +003+ | 3.28 | John Means | 58.3 | BAL |
| +004+ | 3.25 | Yu Darvish | 61.7 | SDN |
| +005+ | 3.24 | Brandon Woodruff | 57 | MIL |
| +008+ | 3 | Trevor Bauer | 63.7 | LAN |
| +010+ | 2.9 | Carlos Rodon | 42.7 | CHA |
| +012+ | 2.7 | Zack Wheeler | 68 | PHI |
| +014+ | 2.67 | Trevor Rogers | 51.7 | MIA |
| +019+ | 2.52 | Kyle Gibson | 60.3 | TEX |
| +021+ | 2.5 | Lance Lynn | 40.7 | CHA |
| +022+ | 2.48 | Max Scherzer | 56.3 | WAS |
| +027+ | 2.14 | Danny Duffy | 41.7 | KCA |
| +028+ | 2.1 | Corbin Burnes | 40.3 | MIL |
| +029+ | 2.08 | Alex Wood | 42 | SFN |
| +037+ | 1.93 | Taijuan Walker | 48.7 | NYN |
| +036+ | 1.93 | Jack Flaherty | 53.3 | SLN |
| +038+ | 1.92 | Hyun Jin Ryu | 53.3 | TOR |
| +040+ | 1.89 | John Gant | 39.7 | SLN |
| +041+ | 1.87 | Walker Buehler | 58.3 | LAN |
| +044+ | 1.83 | Joe Musgrove | 51 | SDN |
| +046+ | 1.81 | Pablo Lopez | 56 | MIA |
| +047+ | 1.79 | Ryan Weathers | 30.3 | SDN |
| +048+ | 1.71 | Freddy Peralta | 49.7 | MIL |
| +050+ | 1.68 | Marcus Stroman | 52.7 | NYN |
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