| Starter | Tm | Tier | Game |
|---|---|---|---|
| George McQuillan | PHI | 8.7 | 190809012_LAN_PHI |
| Christy Mathewson | SFN | 5.93 | 190809012_SFN_ATL |
| Ed Walsh | CHA | 4.43 | 190808310_CHA_BAL |
| Cy Young | BOS | 3.43 | 190808310_BOS_MIN |
| Addie Joss | CLE | 2.44 | 190809010_CLE_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Joe Lake | NYA | -8.17 | 190808311_OAK_NYA |
| Ed Karger | SLN | -1.46 | 190809020_SLN_CHN |
| George Winter | DET | -1.31 | 190809010_CLE_DET |
| Charlie Smith | MIN | -1.15 | 190809010_BOS_MIN |
| Chick Fraser | CHN | -0.79 | 190809020_SLN_CHN |
Based on accumulated WAA for this season up to 1908-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10.99 | George McQuillan | 301.3 | PHI |
| +002+ | 9.35 | Christy Mathewson | 289.7 | SFN |
| +003+ | 8.34 | Mordecai Brown | 223.3 | CHN |
| +006+ | 7.22 | Ed Walsh | 343 | CHA |
| +007+ | 6.91 | Cy Young | 244 | BOS |
| +008+ | 6.57 | Addie Joss | 255.3 | CLE |
| +010+ | 5.94 | Hooks Wiltse | 262.3 | SFN |
| +012+ | 4.25 | Jack Powell | 189 | BAL |
| +016+ | 3.36 | Eddie Plank | 193.3 | OAK |
| +017+ | 3.35 | Bill Foxen | 120 | PHI |
| +018+ | 3.28 | Tom Hughes | 237.7 | MIN |
| +019+ | 3.23 | Bugs Raymond | 253.7 | SLN |
| +022+ | 3.13 | Kaiser Wilhelm | 259.3 | LAN |
| +028+ | 2.99 | Bill Donovan | 164.7 | DET |
| +029+ | 2.97 | Vic Willis | 223.7 | PIT |
| +030+ | 2.91 | Frank Corridon | 140.7 | PHI |
| +032+ | 2.82 | Sam Leever | 170.7 | PIT |
| +033+ | 2.76 | Bob Ewing | 229 | CIN |
| +034+ | 2.7 | Andy Coakley | 241.3 | CIN |
| +037+ | 2.65 | Bob Rhoads | 208 | CLE |
| +047+ | 2.05 | Charlie Chech | 122.7 | CLE |
| +049+ | 2.02 | Nap Rucker | 253.3 | LAN |
| +052+ | 1.87 | Ed Willett | 169 | DET |
| +053+ | 1.86 | Elmer Steele | 65.3 | BOS |
| +057+ | 1.75 | Rube Waddell | 210.7 | BAL |
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