| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 8.63 | 193007300_OAK_MIN |
| Dazzy Vance | LAN | 6.24 | 193007290_LAN_ATL |
| Milt Gaston | BOS | 4.51 | 193007301_NYA_BOS |
| Ted Lyons | CHA | 2.52 | 193007280_CHA_BAL |
| George Uhle | DET | 2.24 | 193007280_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Willoughby | PHI | -7.22 | 193007301_LAN_PHI |
| Clint Brown | CLE | -2.23 | 193007280_DET_CLE |
| Guy Bush | CHN | -1.89 | 193007282_CIN_CHN |
| Freddie Fitzsimmons | SFN | -1.53 | 193007300_ATL_SFN |
| Ben Cantwell | ATL | -1.03 | 193007280_LAN_ATL |
Based on accumulated WAA for this season up to 1930-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.41 | Lefty Grove | 177.3 | OAK |
| +009+ | 6.85 | Bill Walker | 157.3 | SFN |
| +010+ | 6.68 | Milt Gaston | 189.7 | BOS |
| +011+ | 6.56 | Dazzy Vance | 159 | LAN |
| +014+ | 6.08 | George Uhle | 179 | DET |
| +016+ | 5.23 | Wes Ferrell | 189.3 | CLE |
| +018+ | 5.18 | Ad Liska | 110 | MIN |
| +019+ | 5.17 | Lefty Stewart | 173 | BAL |
| +022+ | 5.01 | Ted Lyons | 194 | CHA |
| +026+ | 4.23 | Charlie Root | 163.7 | CHN |
| +028+ | 4.14 | Firpo Marberry | 154.3 | MIN |
| +030+ | 3.72 | Ray Kolp | 95.3 | CIN |
| +031+ | 3.71 | Jumbo Elliott | 139.3 | LAN |
| +032+ | 3.66 | Danny MacFayden | 174.3 | BOS |
| +034+ | 3.64 | Benny Frey | 154.3 | CIN |
| +036+ | 3.59 | Bump Hadley | 144 | MIN |
| +039+ | 3.35 | Pat Malone | 163.3 | CHN |
| +044+ | 3.14 | Sam Jones | 105 | MIN |
| +047+ | 3.01 | Socks Seibold | 166 | ATL |
| +050+ | 2.93 | Vic Sorrell | 141 | DET |
| +052+ | 2.62 | General Crowder | 167 | TOT |
| +053+ | 2.59 | George Pipgras | 156 | NYA |
| +055+ | 2.5 | Rip Collins | 107 | BAL |
| +056+ | 2.49 | Hi Bell | 85.7 | SLN |
| +057+ | 2.48 | Watty Clark | 147 | LAN |
_