| Starter | Tm | Tier | Game |
|---|---|---|---|
| Drew Smyly | PHI | -4.51 | 201908270_PIT_PHI |
| Antonio Senzatela | COL | -3.06 | 201908250_COL_SLN |
| Rick Porcello | BOS | -2.58 | 201908270_BOS_COL |
| Aaron Brooks | BAL | -2.41 | 201908270_BAL_WAS |
| J.A. Happ | NYA | -2.21 | 201908260_NYA_SEA |
Based on accumulated WAA for this season up to 2019-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.94 | Hyun-Jin Ryu | 152.7 | LAN |
| +003+ | 7.66 | Justin Verlander | 184 | HOU |
| +006+ | 7.2 | Jacob deGrom | 162 | NYN |
| +007+ | 7.04 | Mike Soroka | 147.7 | ATL |
| +008+ | 7.01 | Gerrit Cole | 163.7 | HOU |
| +010+ | 6.81 | Max Scherzer | 138.3 | WAS |
| +011+ | 6.57 | Zack Greinke | 171.7 | TOT |
| +013+ | 6.14 | Clayton Kershaw | 150 | LAN |
| +018+ | 5.49 | Sonny Gray | 144.7 | CIN |
| +020+ | 5.39 | Patrick Corbin | 168.7 | WAS |
| +021+ | 5.34 | Walker Buehler | 154.3 | LAN |
| +023+ | 5.28 | Shane Bieber | 175.3 | CLE |
| +024+ | 5.22 | Luis Castillo | 160 | CIN |
| +025+ | 5.2 | Mike Minor | 174.3 | TEX |
| +026+ | 5.14 | Lucas Giolito | 157.7 | CHA |
| +027+ | 5.08 | Charlie Morton | 165 | TBA |
| +033+ | 4.77 | Wade Miley | 152.3 | HOU |
| +039+ | 4.38 | Kyle Hendricks | 143.3 | CHN |
| +040+ | 4.33 | Marcus Stroman | 150.3 | TOT |
| +042+ | 4.18 | Jack Flaherty | 146.3 | SLN |
| +049+ | 3.98 | Mike Fiers | 164 | OAK |
| +054+ | 3.85 | Julio Teheran | 151.3 | ATL |
| +056+ | 3.78 | Jeff Samardzija | 151.7 | SFN |
| +058+ | 3.72 | Aaron Nola | 168.3 | PHI |
| +063+ | 3.54 | Stephen Strasburg | 171 | WAS |
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