| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pete Alexander | PHI | 5.17 | 191505281_PHI_ATL |
| Jeff Tesreau | SFN | 4.5 | 191505290_LAN_SFN |
| Babe Adams | PIT | 2.01 | 191505291_SLN_PIT |
| Jim Scott | CHA | 1.83 | 191505300_CLE_CHA |
| Jeff Pfeffer | LAN | 1.28 | 191505290_LAN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Weldon Wyckoff | OAK | -2.48 | 191505291_BOS_OAK |
| Hub Perdue | SLN | -1.69 | 191505280_SLN_SFN |
| Babe Ruth | BOS | -1.23 | 191505291_BOS_OAK |
| Eppa Rixey | PHI | -1.1 | 191505282_PHI_ATL |
| George McQuillan | PIT | -0.73 | 191505292_SLN_PIT |
Based on accumulated WAA for this season up to 1915-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 3.07 | Pete Alexander | 97 | PHI |
| +004+ | 3 | Walter Johnson | 86.3 | MIN |
| +005+ | 2.65 | Wheezer Dell | 75 | LAN |
| +010+ | 1.77 | Red Faber | 87.3 | CHA |
| +014+ | 1.57 | Grover Lowdermilk | 100.3 | BAL |
| +013+ | 1.57 | Joe Benz | 55.7 | CHA |
| +015+ | 1.52 | Al Mamaux | 49.7 | PIT |
| +016+ | 1.5 | Bert Humphries | 28.7 | CHN |
| +017+ | 1.49 | Jim Scott | 57.7 | CHA |
| +019+ | 1.48 | Guy Morton | 79 | CLE |
| +020+ | 1.45 | Jeff Tesreau | 67.7 | SFN |
| +021+ | 1.42 | Sailor Stroud | 36.3 | SFN |
| +022+ | 1.39 | Tom Hughes | 70 | ATL |
| +028+ | 1.35 | Jim Shaw | 41 | MIN |
| +029+ | 1.31 | Jack Coombs | 40.3 | LAN |
| +032+ | 1.27 | Harry Coveleski | 78.7 | DET |
| XXXXX | 1.21 | Dan Griner | 50.3 | SLN |
| XXXXX | 1.16 | Erskine Mayer | 66 | PHI |
| XXXXX | 1.16 | Bert Gallia | 44.3 | MIN |
| XXXXX | 1.15 | Reb Russell | 62 | CHA |
| XXXXX | 1.07 | Pete Schneider | 39 | CIN |
| XXXXX | 1.04 | Eppa Rixey | 33.7 | PHI |
| XXXXX | 1.04 | Jean Dubuc | 94.7 | DET |
| XXXXX | 0.89 | Smoky Joe Wood | 27 | BOS |
| XXXXX | 0.87 | Dick Rudolph | 87 | ATL |
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