| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 3.85 | 191307260_DET_OAK |
| Eddie Cicotte | CHA | 3.51 | 191307250_CHA_BOS |
| Babe Adams | PIT | 1.65 | 191307260_PHI_PIT |
| Rube Marquard | SFN | 1.51 | 191307270_SFN_SLN |
| Willie Mitchell | CLE | 0.8 | 191307250_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dan Griner | SLN | -5.31 | 191307270_SFN_SLN |
| Otto Hess | ATL | -2.37 | 191307270_ATL_CHN |
| Jimmy Lavender | CHN | -2.06 | 191307270_ATL_CHN |
| Bob Groom | MIN | -1.31 | 191307261_BAL_MIN |
| Chief Johnson | CIN | -0.73 | 191307260_LAN_CIN |
Based on accumulated WAA for this season up to 1913-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.12 | Walter Johnson | 219.3 | MIN |
| +002+ | 6.54 | Jim Scott | 186.7 | CHA |
| +003+ | 6.04 | Eddie Cicotte | 157 | CHA |
| +004+ | 5.29 | Reb Russell | 212.7 | CHA |
| +006+ | 5.07 | Ad Brennan | 141.7 | PHI |
| +011+ | 4.55 | Christy Mathewson | 197.7 | SFN |
| +012+ | 4.2 | Willie Mitchell | 167 | CLE |
| +014+ | 3.84 | Cy Falkenberg | 185.3 | CLE |
| +015+ | 3.73 | Eddie Plank | 179.7 | OAK |
| +017+ | 3.63 | Chief Bender | 155.7 | OAK |
| +018+ | 3.26 | Earl Hamilton | 198 | BAL |
| +021+ | 2.9 | Tom Seaton | 182.7 | PHI |
| +023+ | 2.82 | Joe Boehling | 110.7 | MIN |
| +024+ | 2.75 | Babe Adams | 191.7 | PIT |
| +028+ | 2.69 | Rube Marquard | 171 | SFN |
| +032+ | 2.5 | Vean Gregg | 181.3 | CLE |
| +045+ | 1.95 | Bert Humphries | 102.3 | CHN |
| +047+ | 1.86 | Dutch Leonard | 141 | BOS |
| +051+ | 1.74 | Fred Blanding | 115 | CLE |
| +052+ | 1.7 | Frank Allen | 107.7 | LAN |
| +059+ | 1.59 | George Baumgardner | 157.7 | BAL |
| +060+ | 1.57 | Pete Alexander | 175.7 | PHI |
| +063+ | 1.54 | Al Demaree | 115.3 | SFN |
| +064+ | 1.5 | Ray Fisher | 157 | NYA |
| +068+ | 1.37 | Russ Ford | 146.7 | NYA |
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