| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | OAK | 6.58 | 193005090_CLE_OAK |
| Pat Malone | CHN | 5 | 193005100_SFN_CHN |
| Burleigh Grimes | ATL | 3.69 | 193005090_ATL_SLN |
| Watty Clark | LAN | 3.54 | 193005090_LAN_PIT |
| Wes Ferrell | CLE | 1.66 | 193005110_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ed Brandt | ATL | -5.37 | 193005100_ATL_SLN |
| Vic Sorrell | DET | -2.85 | 193005110_DET_NYA |
| Ray Benge | PHI | -2.02 | 193005090_PHI_CIN |
| Hal Carlson | CHN | -1.96 | 193005090_SFN_CHN |
| Red Ruffing | NYA | -1.19 | 193005110_DET_NYA |
Based on accumulated WAA for this season up to 1930-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.78 | Benny Frey | 45.7 | CIN |
| +002+ | 3.3 | Lefty Stewart | 55 | BAL |
| +003+ | 3.26 | Socks Seibold | 52.7 | ATL |
| +005+ | 2.49 | Ted Lyons | 45 | CHA |
| +009+ | 2.08 | Lefty Grove | 48.3 | OAK |
| +010+ | 1.94 | Milt Gaston | 45.3 | BOS |
| +016+ | 1.6 | Pete Appleton | 28.3 | CLE |
| +017+ | 1.57 | Tommy Thomas | 36.7 | CHA |
| +019+ | 1.5 | Lloyd Brown | 50 | MIN |
| +022+ | 1.49 | Jakie May | 24 | CIN |
| +023+ | 1.45 | Ad Liska | 27.7 | MIN |
| +025+ | 1.36 | Pat Malone | 43.7 | CHN |
| +026+ | 1.33 | Rube Walberg | 43.3 | OAK |
| +028+ | 1.32 | Bill Shores | 18 | OAK |
| +027+ | 1.32 | Wes Ferrell | 49 | CLE |
| +031+ | 1.29 | Jumbo Elliott | 47.3 | LAN |
| +030+ | 1.29 | Bill Hallahan | 49.3 | SLN |
| +033+ | 1.26 | George Pipgras | 33.7 | NYA |
| XXXXX | 1.24 | Bill Walker | 40.3 | SFN |
| XXXXX | 1.16 | Hank Johnson | 34.7 | NYA |
| XXXXX | 1.08 | Hod Lisenbee | 37 | BOS |
| XXXXX | 1.05 | Bruce Cunningham | 24 | ATL |
| XXXXX | 1.04 | Ray Benge | 22.3 | PHI |
| XXXXX | 0.98 | Jack Russell | 36 | BOS |
| XXXXX | 0.96 | Clint Brown | 34 | CLE |
_