| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 5.41 | 191307072_OAK_BOS |
| Jim Scott | CHA | 4.26 | 191307050_CHA_CLE |
| Christy Mathewson | SFN | 3.54 | 191307050_SFN_LAN |
| Smoky Joe Wood | BOS | 1.87 | 191307072_OAK_BOS |
| Pete Alexander | PHI | 1.61 | 191307072_ATL_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Engel | MIN | -1.12 | 191307071_MIN_NYA |
| Al Schulz | NYA | -0.96 | 191307072_MIN_NYA |
| Roy Mitchell | BAL | -0.93 | 191307070_DET_BAL |
| Nick Cullop | CLE | -0.88 | 191307050_CHA_CLE |
| Bob Harmon | SLN | -0.53 | 191307061_SLN_CHN |
Based on accumulated WAA for this season up to 1913-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.7 | Walter Johnson | 179 | MIN |
| +002+ | 5.31 | Reb Russell | 166.7 | CHA |
| +003+ | 5.29 | Jim Scott | 146.7 | CHA |
| +004+ | 5.1 | Eddie Cicotte | 121.7 | CHA |
| +010+ | 3.85 | Eddie Plank | 145.3 | OAK |
| +011+ | 3.83 | Chief Bender | 117.3 | OAK |
| +013+ | 3.51 | Vean Gregg | 160.7 | CLE |
| +014+ | 3.43 | Tom Seaton | 166.7 | PHI |
| +015+ | 3.27 | Cy Falkenberg | 148.7 | CLE |
| +016+ | 3.17 | Christy Mathewson | 162.7 | SFN |
| +018+ | 2.93 | Earl Hamilton | 156 | BAL |
| +021+ | 2.6 | Willie Mitchell | 125 | CLE |
| +030+ | 2.1 | Jeff Tesreau | 144.3 | SFN |
| +033+ | 1.92 | Larry Cheney | 154 | CHN |
| +034+ | 1.88 | Dutch Leonard | 106.7 | BOS |
| +035+ | 1.85 | Pete Alexander | 150.3 | PHI |
| +036+ | 1.81 | Smoky Joe Wood | 131.7 | BOS |
| +042+ | 1.64 | Babe Adams | 154 | PIT |
| +048+ | 1.52 | Joe Boehling | 75.7 | MIN |
| +050+ | 1.49 | Walt Leverenz | 78.3 | BAL |
| +052+ | 1.44 | Nap Rucker | 142.3 | LAN |
| +051+ | 1.44 | George Pierce | 75 | CHN |
| +053+ | 1.43 | George Baumgardner | 119.3 | BAL |
| +054+ | 1.35 | Pat Ragan | 144 | LAN |
| +057+ | 1.31 | Charlie Smith | 81.7 | CHN |
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