| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Scott | CHA | 5.37 | 191307291_CHA_BOS |
| Eddie Plank | OAK | 2.75 | 191307310_BAL_OAK |
| Ad Brennan | PHI | 1.82 | 191307300_PHI_CIN |
| Rube Marquard | SFN | 1.62 | 191307310_SFN_CHN |
| Willie Mitchell | CLE | 1.42 | 191307292_CLE_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmy Lavender | CHN | -2.46 | 191307310_SFN_CHN |
| Bob Harmon | SLN | -1.24 | 191307300_ATL_SLN |
| Earl Moseley | BOS | -1.01 | 191307312_CLE_BOS |
| Chief Johnson | CIN | -1 | 191307290_LAN_CIN |
| Bullet Joe Bush | OAK | -0.98 | 191307300_BAL_OAK |
Based on accumulated WAA for this season up to 1913-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.03 | Walter Johnson | 219.3 | MIN |
| +002+ | 6.68 | Jim Scott | 194.7 | CHA |
| +003+ | 5.76 | Eddie Cicotte | 162 | CHA |
| +004+ | 5.43 | Reb Russell | 220.7 | CHA |
| +006+ | 5.16 | Christy Mathewson | 206.7 | SFN |
| +011+ | 4.91 | Ad Brennan | 148.7 | PHI |
| +012+ | 4.16 | Willie Mitchell | 176 | CLE |
| +015+ | 3.85 | Cy Falkenberg | 192.3 | CLE |
| +016+ | 3.55 | Chief Bender | 155.7 | OAK |
| +017+ | 3.47 | Eddie Plank | 188.7 | OAK |
| +018+ | 3.21 | Earl Hamilton | 198 | BAL |
| +021+ | 2.93 | Tom Seaton | 198.7 | PHI |
| +024+ | 2.82 | Joe Boehling | 128.7 | MIN |
| +025+ | 2.76 | Rube Marquard | 178.3 | SFN |
| +027+ | 2.62 | Babe Adams | 196.7 | PIT |
| +028+ | 2.58 | Vean Gregg | 183.3 | CLE |
| +031+ | 2.45 | Dutch Leonard | 150 | BOS |
| +038+ | 2.15 | Al Demaree | 124.3 | SFN |
| +040+ | 2.09 | Ray Fisher | 166 | NYA |
| +045+ | 1.93 | Bert Humphries | 111.3 | CHN |
| +047+ | 1.92 | Fred Blanding | 124 | CLE |
| +046+ | 1.92 | Jeff Tesreau | 178.3 | SFN |
| +052+ | 1.82 | Pete Alexander | 179.7 | PHI |
| +055+ | 1.76 | Ray Caldwell | 38.3 | NYA |
| +063+ | 1.57 | George Baumgardner | 166.7 | BAL |
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