| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 8.9 | 193006231_CHA_OAK |
| Ted Lyons | CHA | 4.07 | 193006251_CHA_OAK |
| Bill Walker | SFN | 3.38 | 193006230_SFN_CIN |
| Ray Kolp | CIN | 1.4 | 193006230_SFN_CIN |
| Rip Collins | BAL | 0.7 | 193006232_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Willoughby | PHI | -7.5 | 193006230_PHI_CHN |
| Pete Donohue | SFN | -1.67 | 193006250_SFN_CIN |
| Charlie Sullivan | DET | -1.64 | 193006230_DET_BOS |
| Bill Hallahan | SLN | -1.07 | 193006240_ATL_SLN |
| Jake Miller | CLE | -1.06 | 193006231_CLE_MIN |
Based on accumulated WAA for this season up to 1930-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.43 | Lefty Grove | 124.7 | OAK |
| +007+ | 5.53 | Dazzy Vance | 99 | LAN |
| +008+ | 5.48 | Bill Walker | 114 | SFN |
| +009+ | 5.35 | Ad Liska | 92.7 | MIN |
| +012+ | 4.92 | Milt Gaston | 111 | BOS |
| +011+ | 4.92 | Ted Lyons | 129.7 | CHA |
| +013+ | 4.89 | Benny Frey | 109 | CIN |
| +014+ | 4.81 | Wes Ferrell | 123 | CLE |
| +019+ | 3.92 | George Pipgras | 103.3 | NYA |
| +020+ | 3.68 | Danny MacFayden | 109.3 | BOS |
| +022+ | 3.22 | Mel Harder | 68.7 | CLE |
| +026+ | 3.05 | George Uhle | 114 | DET |
| +027+ | 2.95 | Rip Collins | 63.3 | BAL |
| +029+ | 2.92 | Ray Kolp | 55 | CIN |
| +030+ | 2.87 | Bump Hadley | 89.3 | MIN |
| +033+ | 2.77 | Lefty Stewart | 115.7 | BAL |
| +032+ | 2.77 | Charlie Root | 108.3 | CHN |
| +038+ | 2.42 | Jumbo Elliott | 93.7 | LAN |
| +039+ | 2.4 | Watty Clark | 97.3 | LAN |
| +041+ | 2.15 | Socks Seibold | 106.7 | ATL |
| +043+ | 2.06 | Bobby Burke | 39 | MIN |
| +044+ | 2.01 | Garland Braxton | 38.3 | TOT |
| +050+ | 1.81 | General Crowder | 103.7 | TOT |
| +051+ | 1.8 | Willis Hudlin | 111.3 | CLE |
| +055+ | 1.7 | Herb Pennock | 60.7 | NYA |
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