| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | NYA | 8.07 | 202105120_NYA_TBA |
| Shane Bieber | CLE | 6.68 | 202105110_CHN_CLE |
| Yu Darvish | SDN | 3.77 | 202105121_SDN_COL |
| Lance Lynn | CHA | 3.57 | 202105130_MIN_CHA |
| Hyun Jin Ryu | TOR | 3.46 | 202105120_TOR_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jordan Lyles | TEX | -4.06 | 202105110_TEX_SFN |
| Trevor Cahill | PIT | -3.47 | 202105120_CIN_PIT |
| Jeff Hoffman | CIN | -2.72 | 202105110_CIN_PIT |
| Chi Chi Gonzalez | COL | -2.18 | 202105130_CIN_COL |
| Yusei Kikuchi | SEA | -1.88 | 202105110_SEA_LAN |
Based on accumulated WAA for this season up to 2021-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.41 | John Means | 52 | BAL |
| +002+ | 3.14 | Jacob deGrom | 40 | NYN |
| +003+ | 3.13 | Gerrit Cole | 52.7 | NYA |
| +005+ | 2.61 | Brandon Woodruff | 49.3 | MIL |
| +006+ | 2.52 | Carlos Rodon | 31 | CHA |
| +009+ | 2.24 | Lance Lynn | 34.7 | CHA |
| +010+ | 2.17 | Kevin Gausman | 45.7 | SFN |
| +012+ | 2.15 | Matt Boyd | 41.7 | DET |
| +013+ | 2.09 | Trevor Rogers | 44 | MIA |
| +015+ | 2.04 | Danny Duffy | 41.7 | KCA |
| +016+ | 2.03 | Anthony DeSclafani | 46.3 | SFN |
| +017+ | 1.97 | Yu Darvish | 47.7 | SDN |
| +018+ | 1.94 | Marcus Stroman | 40.7 | NYN |
| +022+ | 1.87 | Corbin Burnes | 34.3 | MIL |
| +023+ | 1.85 | Kyle Gibson | 47.3 | TEX |
| +026+ | 1.84 | Max Scherzer | 46.3 | WAS |
| +028+ | 1.77 | Tyler Glasnow | 49.3 | TBA |
| +029+ | 1.74 | John Gant | 34.3 | SLN |
| +033+ | 1.69 | Jack Flaherty | 47.3 | SLN |
| +034+ | 1.68 | Huascar Ynoa | 40.3 | ATL |
| +035+ | 1.67 | Trevor Bauer | 50.3 | LAN |
| +037+ | 1.63 | Wade Miley | 36 | CIN |
| +043+ | 1.58 | Ryan Weathers | 22.3 | SDN |
| +044+ | 1.57 | Taijuan Walker | 45.7 | NYN |
| +045+ | 1.55 | Alex Wood | 30 | SFN |
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