| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vean Gregg | CLE | 4.7 | 191304200_CLE_CHA |
| Ed Walsh | CHA | 3.73 | 191304200_CLE_CHA |
| Smoky Joe Wood | BOS | 3.23 | 191304210_BOS_OAK |
| Rube Marquard | SFN | 3.07 | 191304210_SFN_ATL |
| Babe Adams | PIT | 1.64 | 191304210_PIT_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -6.4 | 191304210_SFN_ATL |
| Roy Mitchell | BAL | -1.03 | 191304210_BAL_CLE |
| Cliff Curtis | LAN | -0.74 | 191304220_LAN_ATL |
| Bob Harmon | SLN | -0.73 | 191304200_PIT_SLN |
| Erskine Mayer | PHI | -0.72 | 191304210_PHI_LAN |
Based on accumulated WAA for this season up to 1913-04-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 1.53 | Vean Gregg | 27 | CLE |
| +002+ | 1.47 | Tom Seaton | 31 | PHI |
| +003+ | 1.32 | Jim Scott | 24 | CHA |
| +004+ | 1.29 | Carl Weilman | 27 | BAL |
| XXXXX | 1.11 | George Mullin | 27 | DET |
| XXXXX | 1.05 | Walter Johnson | 18 | MIN |
| XXXXX | 0.98 | Nap Rucker | 17 | LAN |
| XXXXX | 0.88 | Jean Dubuc | 18 | DET |
| XXXXX | 0.88 | Cy Falkenberg | 18 | CLE |
| XXXXX | 0.84 | Larry Cheney | 30.7 | CHN |
| XXXXX | 0.81 | Dutch Leonard | 22.7 | BOS |
| XXXXX | 0.75 | Ray Keating | 16 | NYA |
| XXXXX | 0.72 | Howie Camnitz | 22 | PIT |
| XXXXX | 0.7 | Pat Ragan | 19 | LAN |
| XXXXX | 0.7 | Slim Sallee | 15.7 | SLN |
| XXXXX | 0.6 | Babe Adams | 27 | PIT |
| XXXXX | 0.58 | Pol Perritt | 14 | SLN |
| XXXXX | 0.49 | Cliff Curtis | 10 | LAN |
| XXXXX | 0.49 | Ad Brennan | 9 | PHI |
| XXXXX | 0.46 | Hub Perdue | 25 | ATL |
| XXXXX | 0.45 | Reb Russell | 12 | CHA |
| XXXXX | 0.44 | Charlie Smith | 18.7 | CHN |
| XXXXX | 0.44 | Willie Mitchell | 20.7 | CLE |
| XXXXX | 0.44 | Joe Lake | 9 | DET |
| XXXXX | 0.35 | Frank Allen | 17 | LAN |
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