| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lucas Giolito | CHA | -6.35 | 201809100_CHA_KCA |
| Felix Hernandez | SEA | -4.04 | 201809080_NYA_SEA |
| Lance Lynn | NYA | -1.82 | 201809080_NYA_SEA |
| Jaime Garcia | CHN | -1.81 | 201809081_CHN_WAS |
| Corey Oswalt | NYN | -1.73 | 201809090_PHI_NYN |
Based on accumulated WAA for this season up to 2018-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 8.77 | Max Scherzer | 202.7 | WAS |
| +004+ | 8.17 | Aaron Nola | 188.7 | PHI |
| +005+ | 7.68 | Blake Snell | 157 | TBA |
| +010+ | 6.41 | Justin Verlander | 195 | HOU |
| +016+ | 5.63 | Corey Kluber | 195 | CLE |
| +020+ | 5.4 | Gerrit Cole | 182.3 | HOU |
| +022+ | 5.34 | Clayton Kershaw | 137.3 | LAN |
| +023+ | 5.15 | Kyle Freeland | 176.3 | COL |
| +025+ | 4.88 | Patrick Corbin | 179.7 | ARI |
| +026+ | 4.83 | Clay Buchholz | 98.3 | ARI |
| +029+ | 4.41 | Zack Greinke | 181.3 | ARI |
| +030+ | 4.35 | Miles Mikolas | 173.7 | SLN |
| +034+ | 4.27 | Dereck Rodriguez | 103.3 | SFN |
| +036+ | 4.19 | Mike Clevinger | 182.3 | CLE |
| +040+ | 3.94 | Jack Flaherty | 132.3 | SLN |
| +050+ | 3.59 | Charlie Morton | 157 | HOU |
| +060+ | 3.22 | Trevor Williams | 153.7 | PIT |
| +066+ | 3.07 | Wade Miley | 68.7 | MIL |
| +071+ | 3.03 | Brad Keller | 120.3 | KCA |
| +074+ | 2.96 | Jameson Taillon | 164 | PIT |
| +076+ | 2.96 | Michael Fiers | 152.7 | TOT |
| +081+ | 2.9 | Carlos Carrasco | 169 | CLE |
| +082+ | 2.88 | Zack Wheeler | 167.3 | NYN |
| +087+ | 2.74 | Anibal Sanchez | 113.7 | ATL |
| +092+ | 2.64 | Carlos Rodon | 104.3 | CHA |
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