| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 6.14 | 191306030_DET_OAK |
| Nap Rucker | LAN | 5.69 | 191306050_LAN_CIN |
| Christy Mathewson | SFN | 4.9 | 191306040_SFN_SLN |
| Pete Alexander | PHI | 3.43 | 191306040_PHI_PIT |
| Jim Scott | CHA | 2.33 | 191306050_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.47 | 191306050_ATL_CHN |
| Chief Johnson | CIN | -1.98 | 191306050_LAN_CIN |
| Hooks Dauss | DET | -0.85 | 191306030_DET_OAK |
| Roy Mitchell | BAL | -0.72 | 191306050_BAL_MIN |
| Orval Overall | CHN | -0.72 | 191306040_ATL_CHN |
Based on accumulated WAA for this season up to 1913-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.02 | Walter Johnson | 103 | MIN |
| +003+ | 3.55 | Nap Rucker | 90.7 | LAN |
| +004+ | 3.45 | Jim Scott | 86 | CHA |
| +005+ | 3.4 | Cy Falkenberg | 94 | CLE |
| +009+ | 3 | Eddie Cicotte | 68 | CHA |
| +010+ | 2.96 | Eddie Plank | 81.3 | OAK |
| +012+ | 2.55 | Pete Alexander | 83.3 | PHI |
| +016+ | 2.07 | Reb Russell | 96 | CHA |
| +017+ | 1.94 | Babe Adams | 93 | PIT |
| +018+ | 1.81 | Vean Gregg | 95.3 | CLE |
| +020+ | 1.75 | Bill Steen | 82.3 | CLE |
| +021+ | 1.73 | Tom Seaton | 99.7 | PHI |
| +022+ | 1.73 | Ray Keating | 69.7 | NYA |
| +023+ | 1.71 | Christy Mathewson | 95.7 | SFN |
| +024+ | 1.66 | Ad Brennan | 50.7 | PHI |
| +027+ | 1.6 | Eddie Stack | 47.3 | LAN |
| +029+ | 1.56 | Red Ames | 58.7 | TOT |
| +030+ | 1.53 | Larry Cheney | 100 | CHN |
| +032+ | 1.42 | Doc White | 49 | CHA |
| +033+ | 1.41 | Jeff Tesreau | 91 | SFN |
| +039+ | 1.37 | Frank Allen | 74.3 | LAN |
| +041+ | 1.33 | Marc Hall | 77 | DET |
| +042+ | 1.29 | Cliff Curtis | 55 | LAN |
| XXXXX | 1.22 | Joe Engel | 45.3 | MIN |
| XXXXX | 1.19 | George Baumgardner | 79.7 | BAL |
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