| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vean Gregg | CLE | 5.73 | 191305080_BOS_CLE |
| Nap Rucker | LAN | 5.09 | 191305080_CHN_LAN |
| Babe Adams | PIT | 1.36 | 191305080_PIT_ATL |
| Red Ames | SFN | 1.06 | 191305070_CIN_SFN |
| Larry Cheney | CHN | 0.72 | 191305060_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -5.9 | 191305070_PIT_ATL |
| Bill Steele | SLN | -2.65 | 191305060_SLN_PHI |
| Roy Mitchell | BAL | -1.47 | 191305070_OAK_BAL |
| Fred Toney | CHN | -1.16 | 191305070_CHN_LAN |
| Al Schulz | NYA | -0.79 | 191305080_NYA_DET |
Based on accumulated WAA for this season up to 1913-05-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.77 | Walter Johnson | 44.7 | MIN |
| +002+ | 2.5 | Ray Keating | 45.3 | NYA |
| +003+ | 2.24 | Cy Falkenberg | 45 | CLE |
| +004+ | 1.97 | Nap Rucker | 60.3 | LAN |
| +005+ | 1.8 | Vean Gregg | 57 | CLE |
| +007+ | 1.74 | Jim Scott | 42 | CHA |
| +011+ | 1.44 | Pete Alexander | 29 | PHI |
| +013+ | 1.35 | Eddie Plank | 42.3 | OAK |
| +014+ | 1.33 | Eddie Cicotte | 39 | CHA |
| XXXXX | 1.09 | Jean Dubuc | 45 | DET |
| XXXXX | 1.03 | Larry Cheney | 59.7 | CHN |
| XXXXX | 1.01 | Bill James | 42.3 | ATL |
| XXXXX | 0.97 | Ad Brennan | 28 | PHI |
| XXXXX | 0.94 | Cliff Curtis | 18 | LAN |
| XXXXX | 0.92 | Christy Mathewson | 48 | SFN |
| XXXXX | 0.9 | Eddie Stack | 20.7 | LAN |
| XXXXX | 0.89 | Dwight Stone | 28.7 | BAL |
| XXXXX | 0.85 | Joe Engel | 19 | MIN |
| XXXXX | 0.82 | Tom Seaton | 58.7 | PHI |
| XXXXX | 0.81 | Fred Blanding | 18 | CLE |
| XXXXX | 0.72 | George Baumgardner | 38.7 | BAL |
| XXXXX | 0.68 | Bill Steele | 26.3 | SLN |
| XXXXX | 0.67 | Bob Harmon | 29.3 | SLN |
| XXXXX | 0.61 | Reb Russell | 44 | CHA |
| XXXXX | 0.61 | Joe Benz | 25 | CHA |
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