| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 8.9 | 193006231_CHA_OAK |
| Watty Clark | LAN | 3.63 | 193006220_PIT_LAN |
| Bill Walker | SFN | 3.38 | 193006230_SFN_CIN |
| George Pipgras | NYA | 2.98 | 193006221_BAL_NYA |
| Wes Ferrell | CLE | 2.67 | 193006220_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Claude Willoughby | PHI | -7.5 | 193006230_PHI_CHN |
| Earl Whitehill | DET | -2.36 | 193006221_DET_BOS |
| Bill Hallahan | SLN | -1.07 | 193006240_ATL_SLN |
| Jake Miller | CLE | -1.06 | 193006231_CLE_MIN |
| George Smith | BOS | -1.04 | 193006242_DET_BOS |
Based on accumulated WAA for this season up to 1930-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.4 | Lefty Grove | 124.7 | OAK |
| +007+ | 5.48 | Dazzy Vance | 99 | LAN |
| +008+ | 5.43 | Bill Walker | 114 | SFN |
| +010+ | 5.32 | Ad Liska | 92.7 | MIN |
| +011+ | 5.22 | Ted Lyons | 121.7 | CHA |
| +012+ | 4.89 | Milt Gaston | 111 | BOS |
| +013+ | 4.87 | Benny Frey | 109 | CIN |
| +014+ | 4.76 | Wes Ferrell | 123 | CLE |
| +018+ | 3.9 | George Pipgras | 103.3 | NYA |
| +020+ | 3.65 | Danny MacFayden | 109.3 | BOS |
| +025+ | 3.03 | George Uhle | 114 | DET |
| +027+ | 2.91 | Ray Kolp | 55 | CIN |
| +026+ | 2.91 | Rip Collins | 63.3 | BAL |
| +030+ | 2.85 | Lefty Stewart | 107.7 | BAL |
| +029+ | 2.85 | Bump Hadley | 89.3 | MIN |
| +033+ | 2.75 | Charlie Root | 108.3 | CHN |
| +034+ | 2.55 | Mel Harder | 63 | CLE |
| +038+ | 2.37 | Jumbo Elliott | 93.7 | LAN |
| +040+ | 2.12 | Socks Seibold | 106.7 | ATL |
| +042+ | 2.05 | Bobby Burke | 39 | MIN |
| +043+ | 2 | Watty Clark | 90.3 | LAN |
| +047+ | 1.87 | Pete Appleton | 49.7 | CLE |
| +050+ | 1.78 | Rube Walberg | 104 | OAK |
| +051+ | 1.76 | General Crowder | 103.7 | TOT |
| +052+ | 1.75 | Willis Hudlin | 111.3 | CLE |
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