| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 12.15 | 191306140_CHA_MIN |
| Eddie Plank | OAK | 4.55 | 191306160_CLE_OAK |
| Christy Mathewson | SFN | 4.16 | 191306140_SFN_PIT |
| Pete Alexander | PHI | 4.13 | 191306160_PHI_CHN |
| Nap Rucker | LAN | 3.9 | 191306160_LAN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.49 | 191306150_ATL_CIN |
| Jimmy Lavender | CHN | -3.21 | 191306140_LAN_CHN |
| Al Schulz | NYA | -0.88 | 191306160_DET_NYA |
| Ed Willett | DET | -0.8 | 191306140_DET_NYA |
| Walt Leverenz | BAL | -0.67 | 191306160_BAL_BOS |
Based on accumulated WAA for this season up to 1913-06-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.5 | Walter Johnson | 130 | MIN |
| +003+ | 3.91 | Cy Falkenberg | 115 | CLE |
| +004+ | 3.86 | Jim Scott | 98.7 | CHA |
| +005+ | 3.6 | Reb Russell | 121 | CHA |
| +006+ | 3.39 | Tom Seaton | 122.7 | PHI |
| +007+ | 3.32 | Chief Bender | 91.7 | OAK |
| +010+ | 3.02 | Eddie Cicotte | 78.7 | CHA |
| +013+ | 2.86 | Eddie Plank | 108.3 | OAK |
| +014+ | 2.76 | Ad Brennan | 70.7 | PHI |
| +018+ | 2.39 | Nap Rucker | 110 | LAN |
| +019+ | 2.34 | Pete Alexander | 107.3 | PHI |
| +020+ | 2.3 | Ray Keating | 79.3 | NYA |
| +022+ | 2.14 | Vean Gregg | 119.7 | CLE |
| +025+ | 2.05 | Larry Cheney | 118 | CHN |
| +027+ | 1.92 | Christy Mathewson | 114.7 | SFN |
| +031+ | 1.64 | Jeff Tesreau | 107.3 | SFN |
| +033+ | 1.59 | Bill Steen | 88 | CLE |
| +038+ | 1.41 | Babe Adams | 110 | PIT |
| +041+ | 1.36 | Eddie Stack | 54.3 | LAN |
| +043+ | 1.26 | Marc Hall | 89 | DET |
| XXXXX | 1.17 | Dutch Leonard | 82 | BOS |
| XXXXX | 1.11 | Frank Allen | 77.3 | LAN |
| XXXXX | 1.1 | Bill James | 80 | ATL |
| XXXXX | 1.07 | George Pierce | 56.7 | CHN |
| XXXXX | 1.02 | Erskine Mayer | 45.3 | PHI |
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