| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.55 | 191308150_MIN_DET |
| Eddie Cicotte | CHA | 4.18 | 191308150_NYA_CHA |
| Ad Brennan | PHI | 2.01 | 191308150_CIN_PHI |
| Eddie Plank | OAK | 1.82 | 191308140_OAK_CLE |
| Fred Blanding | CLE | 0.72 | 191308140_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -5.5 | 191308141_SLN_SFN |
| Jimmy Lavender | CHN | -3.21 | 191308150_CHN_ATL |
| Otto Hess | ATL | -1.98 | 191308150_CHN_ATL |
| Earl Moseley | BOS | -0.84 | 191308150_BOS_BAL |
| Chief Johnson | CIN | -0.67 | 191308150_CIN_PHI |
Based on accumulated WAA for this season up to 1913-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.05 | Walter Johnson | 248.3 | MIN |
| +002+ | 6.97 | Eddie Cicotte | 190.3 | CHA |
| +004+ | 6.65 | Jim Scott | 223.3 | CHA |
| +006+ | 5.6 | Reb Russell | 240.7 | CHA |
| +008+ | 5.31 | Ad Brennan | 166 | PHI |
| +011+ | 5.08 | Christy Mathewson | 228.7 | SFN |
| +013+ | 4.87 | Willie Mitchell | 200 | CLE |
| +016+ | 3.86 | Pete Alexander | 217.3 | PHI |
| +017+ | 3.75 | Babe Adams | 233.7 | PIT |
| +018+ | 3.7 | Chief Bender | 177.7 | OAK |
| +020+ | 3.46 | Fred Blanding | 151 | CLE |
| +021+ | 3.43 | Joe Boehling | 154.7 | MIN |
| +026+ | 3 | Russ Ford | 173 | NYA |
| +027+ | 2.88 | Eddie Plank | 195 | OAK |
| +029+ | 2.83 | Tom Seaton | 214.7 | PHI |
| +033+ | 2.76 | Earl Hamilton | 217 | BAL |
| +039+ | 2.53 | Ray Caldwell | 63.3 | NYA |
| +040+ | 2.49 | Jeff Tesreau | 200.7 | SFN |
| +048+ | 2.23 | Rube Marquard | 206 | SFN |
| +049+ | 2.23 | Dutch Leonard | 173.7 | BOS |
| +051+ | 2.18 | Vean Gregg | 206.3 | CLE |
| +055+ | 2.05 | Bob Shawkey | 44.7 | OAK |
| +054+ | 2.05 | Al Demaree | 140.3 | SFN |
| +061+ | 1.77 | Boardwalk Brown | 191.3 | OAK |
| +064+ | 1.75 | Frank Allen | 139.3 | LAN |
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