| Starter | Tm | Tier | Game |
|---|---|---|---|
| Nap Rucker | LAN | 5.73 | 191305190_SLN_LAN |
| Christy Mathewson | SFN | 4.53 | 191305200_SLN_SFN |
| Pete Alexander | PHI | 3.47 | 191305200_CIN_PHI |
| Jim Scott | CHA | 2.41 | 191305190_BOS_CHA |
| Smoky Joe Wood | BOS | 2.18 | 191305190_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -2.88 | 191305210_CHN_ATL |
| Ray Fisher | NYA | -2.17 | 191305190_NYA_BAL |
| Jimmy Lavender | CHN | -1.13 | 191305190_CHN_PHI |
| Carl Cashion | MIN | -0.73 | 191305190_MIN_CLE |
| Chief Johnson | CIN | -0.68 | 191305210_CIN_PHI |
Based on accumulated WAA for this season up to 1913-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.59 | Walter Johnson | 70 | MIN |
| +002+ | 3.42 | Cy Falkenberg | 72 | CLE |
| +004+ | 2.79 | Ray Keating | 52.3 | NYA |
| +005+ | 2.56 | Nap Rucker | 71.7 | LAN |
| +007+ | 2.2 | Jim Scott | 64 | CHA |
| +010+ | 1.98 | Pete Alexander | 54.7 | PHI |
| +012+ | 1.79 | Larry Cheney | 71.7 | CHN |
| +014+ | 1.73 | Tom Seaton | 77.3 | PHI |
| +016+ | 1.7 | Eddie Cicotte | 42 | CHA |
| +017+ | 1.64 | Bill Steen | 61.3 | CLE |
| +021+ | 1.53 | Ad Brennan | 41 | PHI |
| +022+ | 1.48 | Earl Hamilton | 68.3 | BAL |
| +024+ | 1.4 | Bill James | 60.3 | ATL |
| +025+ | 1.36 | Eddie Plank | 54.3 | OAK |
| +026+ | 1.36 | Reb Russell | 61 | CHA |
| +029+ | 1.3 | Joe Benz | 45.3 | CHA |
| +030+ | 1.3 | Jean Dubuc | 64 | DET |
| +032+ | 1.27 | Vean Gregg | 74.3 | CLE |
| XXXXX | 1.24 | Christy Mathewson | 72 | SFN |
| XXXXX | 1.08 | Cliff Curtis | 40.7 | LAN |
| XXXXX | 0.9 | Carl Zamloch | 16 | DET |
| XXXXX | 0.88 | Roy Mitchell | 51 | BAL |
| XXXXX | 0.87 | George Baumgardner | 65.7 | BAL |
| XXXXX | 0.83 | Bob Harmon | 46.3 | SLN |
| XXXXX | 0.72 | Eddie Stack | 26 | LAN |
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