| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 9.68 | 191305180_MIN_DET |
| Christy Mathewson | SFN | 5.43 | 191305160_PIT_SFN |
| Vean Gregg | CLE | 5.05 | 191305160_OAK_CLE |
| Ed Walsh | CHA | 2.7 | 191305180_NYA_CHA |
| Buck O'Brien | BOS | 1.56 | 191305170_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Fisher | NYA | -1.6 | 191305180_NYA_CHA |
| Fred Toney | CHN | -1.16 | 191305160_CHN_PHI |
| Roy Mitchell | BAL | -0.85 | 191305180_BOS_BAL |
| George Kahler | CLE | -0.6 | 191305170_OAK_CLE |
| Herb Pennock | OAK | -0.47 | 191305170_OAK_CLE |
Based on accumulated WAA for this season up to 1913-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.42 | Walter Johnson | 68.7 | MIN |
| +002+ | 2.95 | Cy Falkenberg | 63 | CLE |
| +004+ | 2.72 | Ray Keating | 52.3 | NYA |
| +005+ | 2.67 | Jim Scott | 60 | CHA |
| +006+ | 2.46 | Nap Rucker | 71 | LAN |
| +007+ | 1.85 | Joe Benz | 42 | CHA |
| +011+ | 1.58 | Bill Steen | 61.3 | CLE |
| +015+ | 1.55 | Larry Cheney | 69.7 | CHN |
| +018+ | 1.43 | Eddie Cicotte | 39 | CHA |
| +020+ | 1.33 | Pete Alexander | 45.7 | PHI |
| +022+ | 1.31 | Bill James | 60.3 | ATL |
| +023+ | 1.29 | Eddie Plank | 54.3 | OAK |
| +024+ | 1.27 | Reb Russell | 61 | CHA |
| +025+ | 1.26 | Vean Gregg | 72.3 | CLE |
| XXXXX | 1.24 | Jean Dubuc | 64 | DET |
| XXXXX | 1.24 | Christy Mathewson | 66 | SFN |
| XXXXX | 1.05 | Cliff Curtis | 40.7 | LAN |
| XXXXX | 1.03 | Tom Seaton | 68.3 | PHI |
| XXXXX | 0.98 | Lefty Tyler | 61.7 | ATL |
| XXXXX | 0.89 | Carl Zamloch | 16 | DET |
| XXXXX | 0.83 | Joe Engel | 26.7 | MIN |
| XXXXX | 0.83 | Roy Mitchell | 51 | BAL |
| XXXXX | 0.8 | George Baumgardner | 56.7 | BAL |
| XXXXX | 0.78 | Earl Hamilton | 59.3 | BAL |
| XXXXX | 0.67 | Fred Blanding | 32 | CLE |
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