| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 10.49 | 190609130_CHN_SLN |
| Tully Sparks | PHI | 3.03 | 190609120_PHI_LAN |
| Addie Joss | CLE | 1.63 | 190609142_DET_CLE |
| Sam Leever | PIT | 1.58 | 190609131_CIN_PIT |
| Jake Weimer | CIN | 0.98 | 190609131_CIN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gus Dorner | ATL | -3.58 | 190609130_PHI_ATL |
| Jesse Tannehill | BOS | -1.35 | 190609130_BOS_OAK |
| Frank Kitson | MIN | -1.2 | 190609140_NYA_MIN |
| Harry McIntire | LAN | -1.19 | 190609142_LAN_SFN |
| John Eubank | DET | -0.78 | 190609130_CLE_DET |
Based on accumulated WAA for this season up to 1906-09-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 12.05 | Mordecai Brown | 265.3 | CHN |
| +004+ | 7.26 | Ed Reulbach | 185.3 | CHN |
| +007+ | 6.96 | Vic Willis | 271 | PIT |
| +008+ | 6.23 | Tully Sparks | 273.3 | PHI |
| +010+ | 5.68 | Jack Pfiester | 206.7 | CHN |
| +011+ | 5.64 | Addie Joss | 235 | CLE |
| +013+ | 5.52 | Jack Taylor | 288.7 | TOT |
| +014+ | 5.21 | Bill Duggleby | 271.3 | PHI |
| +016+ | 4.91 | Sam Leever | 239.3 | PIT |
| +017+ | 4.89 | Bob Rhoads | 264 | CLE |
| +018+ | 4.54 | Barney Pelty | 220.7 | BAL |
| +019+ | 4.53 | Rube Waddell | 244.3 | OAK |
| +020+ | 4.5 | Ed Walsh | 230.7 | CHA |
| +023+ | 3.98 | Lefty Leifield | 218.3 | PIT |
| +025+ | 3.72 | Fred Glade | 230.7 | BAL |
| +029+ | 3.5 | Deacon Phillippe | 207.7 | PIT |
| +028+ | 3.5 | Jake Weimer | 285.7 | CIN |
| +032+ | 3.38 | Otto Hess | 278.7 | CLE |
| +033+ | 3.34 | Christy Mathewson | 229.7 | SFN |
| +034+ | 3.13 | Jack Powell | 209 | BAL |
| +035+ | 3.11 | Al Orth | 293.7 | NYA |
| +037+ | 3.03 | Bob Ewing | 241 | CIN |
| +038+ | 2.87 | Eddie Plank | 211.7 | OAK |
| +046+ | 2.47 | Roy Patterson | 141.7 | CHA |
| +052+ | 2.25 | Hooks Wiltse | 212 | SFN |
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