| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 6.66 | 190709081_PIT_CHN |
| Ed Walsh | CHA | 5.98 | 190709080_DET_CHA |
| Cy Young | BOS | 4.1 | 190709061_MIN_BOS |
| Tully Sparks | PHI | 2.32 | 190709072_PHI_SFN |
| Christy Mathewson | SFN | 2.22 | 190709062_PHI_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Orth | NYA | -3.66 | 190709061_NYA_OAK |
| Casey Patten | MIN | -3.51 | 190709061_MIN_BOS |
| Art Fromme | SLN | -1.5 | 190709060_CIN_SLN |
| Jake Boultes | ATL | -1.31 | 190709060_ATL_LAN |
| Bill Dinneen | BAL | -1.3 | 190709081_CLE_BAL |
Based on accumulated WAA for this season up to 1907-09-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.52 | Mordecai Brown | 216.7 | CHN |
| +003+ | 8.62 | Ed Walsh | 363.7 | CHA |
| +005+ | 7.61 | Carl Lundgren | 178.3 | CHN |
| +006+ | 7.43 | Cy Young | 295.3 | BOS |
| +007+ | 7.33 | Orval Overall | 233.3 | CHN |
| +008+ | 6.61 | Addie Joss | 288.7 | CLE |
| +011+ | 5.97 | Christy Mathewson | 256.7 | SFN |
| +014+ | 5.58 | Bob Ewing | 290 | CIN |
| +016+ | 4.43 | Chief Bender | 204.7 | OAK |
| +017+ | 4.11 | Tully Sparks | 216 | PHI |
| +018+ | 4.09 | Ed Reulbach | 151 | CHN |
| +020+ | 3.91 | Ed Killian | 263.3 | DET |
| +021+ | 3.89 | Ed Siever | 224.7 | DET |
| +022+ | 3.77 | Ed Karger | 272.7 | SLN |
| +023+ | 3.71 | Jack Pfiester | 166.7 | CHN |
| +024+ | 3.51 | Frank Smith | 268 | CHA |
| +025+ | 3.39 | Jim Pastorius | 184.3 | LAN |
| +029+ | 3.18 | Sam Leever | 187.3 | PIT |
| +031+ | 2.95 | Lew Moren | 224.7 | PHI |
| +037+ | 2.82 | Doc White | 225 | CHA |
| +040+ | 2.43 | Nap Rucker | 224.3 | LAN |
| +042+ | 2.38 | Andy Coakley | 221.7 | CIN |
| +050+ | 2.05 | Jake Weimer | 170 | CIN |
| +056+ | 1.79 | Walter Johnson | 64.3 | MIN |
| +058+ | 1.75 | Bill Donovan | 201 | DET |
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