| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walter Johnson | MIN | 13.01 | 191306180_CLE_MIN |
| Chief Bender | OAK | 3.87 | 191306180_CHA_OAK |
| Christy Mathewson | SFN | 3.62 | 191306190_SFN_CIN |
| Vean Gregg | CLE | 3.6 | 191306180_CLE_MIN |
| Pete Alexander | PHI | 3.34 | 191306190_PHI_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Otto Hess | ATL | -3.6 | 191306190_ATL_PIT |
| Jimmy Lavender | CHN | -2.73 | 191306190_PHI_CHN |
| Roy Mitchell | BAL | -1.45 | 191306190_BAL_NYA |
| Boardwalk Brown | OAK | -1.27 | 191306190_CHA_OAK |
| Chief Johnson | CIN | -1.27 | 191306180_SFN_CIN |
Based on accumulated WAA for this season up to 1913-06-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.34 | Walter Johnson | 139 | MIN |
| +003+ | 3.83 | Reb Russell | 129 | CHA |
| +004+ | 3.79 | Jim Scott | 105.7 | CHA |
| +005+ | 3.72 | Eddie Cicotte | 87.7 | CHA |
| +006+ | 3.55 | Tom Seaton | 129.7 | PHI |
| +010+ | 3.12 | Cy Falkenberg | 117.7 | CLE |
| +011+ | 2.88 | Eddie Plank | 108.3 | OAK |
| +012+ | 2.85 | Vean Gregg | 128.7 | CLE |
| +013+ | 2.83 | Pete Alexander | 116.3 | PHI |
| +016+ | 2.72 | Chief Bender | 94.7 | OAK |
| +018+ | 2.42 | Nap Rucker | 110 | LAN |
| +020+ | 2.34 | Ad Brennan | 73 | PHI |
| +023+ | 2.12 | Larry Cheney | 127 | CHN |
| +027+ | 1.98 | Ray Keating | 80.3 | NYA |
| +029+ | 1.64 | Bill Steen | 88 | CLE |
| +032+ | 1.56 | Christy Mathewson | 123.7 | SFN |
| +042+ | 1.31 | Babe Adams | 117 | PIT |
| XXXXX | 1.19 | Jeff Tesreau | 115 | SFN |
| XXXXX | 1.16 | Marc Hall | 92.7 | DET |
| XXXXX | 1.15 | Bill James | 80 | ATL |
| XXXXX | 1.13 | Frank Allen | 77.3 | LAN |
| XXXXX | 1.11 | Charlie Smith | 65.7 | CHN |
| XXXXX | 1.05 | Erskine Mayer | 45.3 | PHI |
| XXXXX | 1 | Wilbur Cooper | 38 | PIT |
| XXXXX | 0.98 | Carl Zamloch | 50.3 | DET |
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