| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.7 | 191305262_MIN_OAK |
| Pete Alexander | PHI | 4.26 | 191305240_PHI_LAN |
| Ed Walsh | CHA | 2.63 | 191305240_CLE_CHA |
| Smoky Joe Wood | BOS | 2.61 | 191305240_BOS_NYA |
| Babe Adams | PIT | 1.27 | 191305250_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Steele | SLN | -2.35 | 191305250_SLN_CHN |
| Chief Johnson | CIN | -1.29 | 191305241_SLN_CIN |
| Byron Houck | OAK | -0.84 | 191305261_MIN_OAK |
| Walt Leverenz | BAL | -0.83 | 191305251_DET_BAL |
| Hooks Dauss | DET | -0.56 | 191305260_DET_BAL |
Based on accumulated WAA for this season up to 1913-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.65 | Walter Johnson | 85 | MIN |
| +003+ | 3.26 | Cy Falkenberg | 79 | CLE |
| +005+ | 2.59 | Nap Rucker | 71.7 | LAN |
| +007+ | 2.5 | Pete Alexander | 66.3 | PHI |
| +008+ | 2.33 | Ray Keating | 53.3 | NYA |
| +009+ | 2.25 | Bill Steen | 70.3 | CLE |
| +011+ | 2.18 | Jim Scott | 67 | CHA |
| +012+ | 2.14 | Larry Cheney | 79.7 | CHN |
| +014+ | 1.98 | Eddie Plank | 63.3 | OAK |
| +015+ | 1.89 | Ad Brennan | 50 | PHI |
| +018+ | 1.69 | Eddie Cicotte | 42 | CHA |
| +019+ | 1.62 | Reb Russell | 77 | CHA |
| +023+ | 1.44 | Cliff Curtis | 45.7 | LAN |
| +025+ | 1.33 | Tom Seaton | 84.3 | PHI |
| +027+ | 1.29 | Vean Gregg | 74.7 | CLE |
| XXXXX | 1.24 | Christy Mathewson | 72 | SFN |
| XXXXX | 1.23 | Bill James | 64.3 | ATL |
| XXXXX | 1.15 | Bob Harmon | 54.3 | SLN |
| XXXXX | 0.95 | Babe Adams | 75 | PIT |
| XXXXX | 0.91 | Dwight Stone | 48.7 | BAL |
| XXXXX | 0.9 | Earl Hamilton | 75.3 | BAL |
| XXXXX | 0.9 | Frank Allen | 65.3 | LAN |
| XXXXX | 0.87 | Jean Dubuc | 67 | DET |
| XXXXX | 0.85 | George Baumgardner | 65.7 | BAL |
| XXXXX | 0.73 | Joe Benz | 46.3 | CHA |
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