| Starter | Tm | Tier | Game |
|---|---|---|---|
| Justin Verlander | HOU | 14.02 | 201806020_BOS_HOU |
| Jacob deGrom | NYN | 6.52 | 201806020_CHN_NYN |
| Jake Arrieta | PHI | 4.15 | 201806030_PHI_SFN |
| Gio Gonzalez | WAS | 2.74 | 201806020_WAS_ATL |
| Luis Severino | NYA | 2.56 | 201806041_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Matt Harvey | CIN | -2.77 | 201806020_CIN_SDN |
| Derek Holland | SFN | -2.2 | 201806040_ARI_SFN |
| James Shields | CHA | -1.75 | 201806020_MIL_CHA |
| Eric Lauer | SDN | -1.56 | 201806020_CIN_SDN |
| Felix Hernandez | SEA | -1.52 | 201806030_TBA_SEA |
Based on accumulated WAA for this season up to 2018-06-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.78 | Justin Verlander | 87.3 | HOU |
| +003+ | 4.26 | Jacob deGrom | 72.3 | NYN |
| +004+ | 3.98 | Corey Kluber | 84.7 | CLE |
| +005+ | 3.96 | Max Scherzer | 79.7 | WAS |
| +006+ | 3.73 | Luis Severino | 86 | NYA |
| +009+ | 3.56 | Aaron Nola | 78.3 | PHI |
| +008+ | 3.56 | Gerrit Cole | 81.7 | HOU |
| +012+ | 3.08 | Blake Snell | 76.3 | TBA |
| +014+ | 2.96 | Gio Gonzalez | 71.3 | WAS |
| +015+ | 2.92 | Mike Foltynewicz | 69 | ATL |
| +019+ | 2.66 | Ross Stripling | 48.3 | LAN |
| +020+ | 2.64 | Michael Wacha | 71 | SLN |
| +023+ | 2.55 | Miles Mikolas | 72.3 | SLN |
| +024+ | 2.51 | Jon Lester | 70 | CHN |
| +033+ | 2.3 | Trevor Bauer | 78 | CLE |
| +035+ | 2.21 | Jake Arrieta | 64.3 | PHI |
| +039+ | 2.14 | Patrick Corbin | 75.3 | ARI |
| +041+ | 2.11 | Charlie Morton | 73 | HOU |
| +050+ | 1.98 | Daniel Mengden | 74.3 | OAK |
| +052+ | 1.97 | Chris Sale | 81 | BOS |
| +057+ | 1.91 | Sean Newcomb | 62.7 | ATL |
| +060+ | 1.84 | Junior Guerra | 54.3 | MIL |
| +062+ | 1.78 | Jeremy Hellickson | 43.3 | WAS |
| +078+ | 1.59 | James Paxton | 74.7 | SEA |
| +080+ | 1.55 | Stephen Strasburg | 78.7 | WAS |
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