| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lucas Giolito | CHA | -6.86 | 201808250_CHA_DET |
| Homer Bailey | CIN | -4.12 | 201808260_CIN_CHN |
| Martin Perez | TEX | -3.33 | 201808250_TEX_SFN |
| Dylan Bundy | BAL | -2.56 | 201808260_NYA_BAL |
| Chris Stratton | SFN | -2.2 | 201808270_ARI_SFN |
Based on accumulated WAA for this season up to 2018-08-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.83 | Jacob deGrom | 174 | NYN |
| +003+ | 8.63 | Max Scherzer | 181.7 | WAS |
| +004+ | 7.9 | Aaron Nola | 169 | PHI |
| +007+ | 7.1 | Blake Snell | 145 | TBA |
| +010+ | 5.79 | Justin Verlander | 175.7 | HOU |
| +016+ | 5.18 | Corey Kluber | 179.7 | CLE |
| +018+ | 5.1 | Gerrit Cole | 170.7 | HOU |
| +019+ | 4.91 | Mike Foltynewicz | 145 | ATL |
| +020+ | 4.9 | Clayton Kershaw | 124.3 | LAN |
| +022+ | 4.61 | Zack Greinke | 168.7 | ARI |
| +024+ | 4.49 | Kyle Freeland | 158.3 | COL |
| +025+ | 4.48 | Miles Mikolas | 162 | SLN |
| +034+ | 3.98 | Patrick Corbin | 168.7 | ARI |
| +040+ | 3.69 | Charlie Morton | 147.3 | HOU |
| +042+ | 3.61 | Dereck Rodriguez | 86 | SFN |
| +046+ | 3.47 | Clay Buchholz | 80 | ARI |
| +047+ | 3.46 | Michael Fiers | 143 | TOT |
| +050+ | 3.34 | Jack Flaherty | 115.3 | SLN |
| +054+ | 3.24 | Luis Severino | 165 | NYA |
| +053+ | 3.24 | Carlos Rodon | 93.3 | CHA |
| +056+ | 3.22 | Mike Clevinger | 163.7 | CLE |
| +076+ | 2.67 | Madison Bumgarner | 93.7 | SFN |
| +080+ | 2.58 | Jake Arrieta | 144.3 | PHI |
| +079+ | 2.58 | Anibal Sanchez | 103.3 | ATL |
| +088+ | 2.46 | Walker Buehler | 94.3 | LAN |
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