| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.32 | 191305100_MIN_CHA |
| Eddie Plank | OAK | 6.13 | 191305100_OAK_BAL |
| Pete Alexander | PHI | 4.47 | 191305090_SLN_PHI |
| Ed Walsh | CHA | 3.07 | 191305110_OAK_CHA |
| Rube Marquard | SFN | 2.16 | 191305090_CIN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -4.78 | 191305100_SLN_ATL |
| Bill Steele | SLN | -2.56 | 191305090_SLN_PHI |
| Ray Fisher | NYA | -1.84 | 191305100_NYA_DET |
| Charley Hall | BOS | -0.54 | 191305100_BOS_CLE |
| Ed Willett | DET | -0.51 | 191305090_NYA_DET |
Based on accumulated WAA for this season up to 1913-05-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.4 | Walter Johnson | 53.7 | MIN |
| +002+ | 2.48 | Ray Keating | 45.3 | NYA |
| +004+ | 2.42 | Cy Falkenberg | 54 | CLE |
| +005+ | 2.12 | Jim Scott | 51 | CHA |
| +006+ | 1.97 | Nap Rucker | 60.3 | LAN |
| +009+ | 1.78 | Vean Gregg | 57 | CLE |
| +010+ | 1.78 | Pete Alexander | 38 | PHI |
| +011+ | 1.62 | Larry Cheney | 68.7 | CHN |
| +013+ | 1.4 | Eddie Plank | 52.3 | OAK |
| +016+ | 1.32 | Eddie Cicotte | 39 | CHA |
| XXXXX | 1.14 | Joe Benz | 33 | CHA |
| XXXXX | 0.99 | Ad Brennan | 28 | PHI |
| XXXXX | 0.97 | Tom Seaton | 60.3 | PHI |
| XXXXX | 0.97 | Bill James | 51.3 | ATL |
| XXXXX | 0.95 | Cliff Curtis | 24.7 | LAN |
| XXXXX | 0.95 | Christy Mathewson | 48 | SFN |
| XXXXX | 0.93 | Fred Blanding | 26 | CLE |
| XXXXX | 0.87 | Al Demaree | 36 | SFN |
| XXXXX | 0.86 | Bill Steen | 37.3 | CLE |
| XXXXX | 0.84 | Joe Engel | 25 | MIN |
| XXXXX | 0.75 | Pat Ragan | 51 | LAN |
| XXXXX | 0.68 | George Baumgardner | 47.7 | BAL |
| XXXXX | 0.67 | Jean Dubuc | 55 | DET |
| XXXXX | 0.63 | Eddie Stack | 23 | LAN |
| XXXXX | 0.62 | Carl Weilman | 53 | BAL |
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