| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerrit Cole | HOU | 5.63 | 201909130_HOU_KCA |
| Hyun-Jin Ryu | LAN | 5.24 | 201909140_LAN_NYN |
| Jacob deGrom | NYN | 4.86 | 201909140_LAN_NYN |
| Max Scherzer | WAS | 4.48 | 201909130_ATL_WAS |
| Mike Soroka | ATL | 3.99 | 201909130_ATL_WAS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Edwin Jackson | DET | -6.8 | 201909150_BAL_DET |
| Rick Porcello | BOS | -3.65 | 201909150_BOS_PHI |
| Peter Lambert | COL | -2.6 | 201909140_SDN_COL |
| Aaron Brooks | BAL | -2.39 | 201909130_BAL_DET |
| Dylan Covey | CHA | -2.33 | 201909130_CHA_SEA |
Based on accumulated WAA for this season up to 2019-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.12 | Justin Verlander | 206 | HOU |
| +003+ | 8.74 | Gerrit Cole | 192.3 | HOU |
| +004+ | 8.58 | Hyun-Jin Ryu | 168.7 | LAN |
| +005+ | 8.3 | Jacob deGrom | 190 | NYN |
| +007+ | 7.42 | Mike Soroka | 164.7 | ATL |
| +009+ | 7.03 | Max Scherzer | 159.7 | WAS |
| +012+ | 7.01 | Zack Greinke | 195.3 | TOT |
| +014+ | 6.69 | Sonny Gray | 163.7 | CIN |
| +018+ | 6.16 | Jack Flaherty | 174.3 | SLN |
| +019+ | 5.98 | Shane Bieber | 201.3 | CLE |
| +022+ | 5.8 | Patrick Corbin | 185.7 | WAS |
| +023+ | 5.77 | Luis Castillo | 178.7 | CIN |
| +024+ | 5.71 | Clayton Kershaw | 165.3 | LAN |
| +028+ | 5.5 | Walker Buehler | 171.3 | LAN |
| +029+ | 5.48 | Charlie Morton | 182.3 | TBA |
| +030+ | 5.47 | Mike Minor | 194.7 | TEX |
| +036+ | 4.92 | Lucas Giolito | 176.7 | CHA |
| +037+ | 4.9 | Kyle Hendricks | 165.7 | CHN |
| +042+ | 4.68 | Stephen Strasburg | 191 | WAS |
| +043+ | 4.64 | Mike Clevinger | 107.3 | CLE |
| +044+ | 4.61 | Marcus Stroman | 166.7 | TOT |
| +049+ | 4.39 | Dakota Hudson | 159.7 | SLN |
| +056+ | 3.92 | Julio Teheran | 167.3 | ATL |
| +057+ | 3.9 | Aaron Nola | 191.7 | PHI |
| +063+ | 3.71 | Chris Paddack | 135.7 | SDN |
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