| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 14.55 | 191308150_MIN_DET |
| Jim Scott | CHA | 4.46 | 191308160_NYA_CHA |
| Christy Mathewson | SFN | 3.22 | 191308160_PIT_SFN |
| Ad Brennan | PHI | 2.01 | 191308150_CIN_PHI |
| Eddie Plank | OAK | 1.82 | 191308140_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -5.51 | 191308162_SLN_LAN |
| Jimmy Lavender | CHN | -3.21 | 191308150_CHN_ATL |
| Otto Hess | ATL | -1.98 | 191308150_CHN_ATL |
| Bob Groom | MIN | -1.92 | 191308160_MIN_DET |
| Earl Moseley | BOS | -0.84 | 191308150_BOS_BAL |
Based on accumulated WAA for this season up to 1913-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 11.07 | Walter Johnson | 248.3 | MIN |
| +002+ | 7.33 | Jim Scott | 232.3 | CHA |
| +003+ | 6.98 | Eddie Cicotte | 190.3 | CHA |
| +007+ | 5.62 | Reb Russell | 240.7 | CHA |
| +009+ | 5.4 | Ad Brennan | 167 | PHI |
| +010+ | 5.33 | Willie Mitchell | 209 | CLE |
| +014+ | 4.47 | Christy Mathewson | 231.7 | SFN |
| +016+ | 3.89 | Pete Alexander | 217.3 | PHI |
| +017+ | 3.72 | Chief Bender | 177.7 | OAK |
| +020+ | 3.48 | Fred Blanding | 151 | CLE |
| +021+ | 3.44 | Joe Boehling | 154.7 | MIN |
| +023+ | 3.08 | Babe Adams | 238.7 | PIT |
| +024+ | 3.02 | Russ Ford | 173 | NYA |
| +030+ | 2.91 | Tom Seaton | 215.3 | PHI |
| +028+ | 2.91 | Eddie Plank | 195 | OAK |
| +031+ | 2.9 | Dutch Leonard | 182.7 | BOS |
| +037+ | 2.77 | Earl Hamilton | 217 | BAL |
| +041+ | 2.54 | Ray Caldwell | 63.3 | NYA |
| +042+ | 2.51 | Jeff Tesreau | 200.7 | SFN |
| +047+ | 2.26 | Rube Marquard | 206 | SFN |
| +048+ | 2.22 | Larry Cheney | 235 | CHN |
| +051+ | 2.2 | Vean Gregg | 206.3 | CLE |
| +054+ | 2.13 | Al Demaree | 141.3 | SFN |
| +055+ | 2.05 | Bob Shawkey | 44.7 | OAK |
| +063+ | 1.8 | Boardwalk Brown | 191.3 | OAK |
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