| Starter | Tm | Tier | Game |
|---|---|---|---|
| Slim Sallee | SLN | -1.81 | 190905150_SLN_ATL |
| Cy Morgan | BOS | -1.17 | 190905130_BOS_CLE |
| Tom Hughes | MIN | -1.05 | 190905150_MIN_BAL |
| Harry Gaspar | CIN | -1.01 | 190905140_CIN_ATL |
| Earl Moore | PHI | -0.65 | 190905130_PIT_PHI |
Based on accumulated WAA for this season up to 1909-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.52 | Doc White | 65 | CHA |
| +002+ | 2.62 | Mordecai Brown | 57.7 | CHN |
| +003+ | 2.47 | Howie Camnitz | 61.7 | PIT |
| +004+ | 2.35 | Charlie Chech | 56.3 | BOS |
| +005+ | 2.25 | George Mullin | 55 | DET |
| +006+ | 2.02 | Bugs Raymond | 53 | SFN |
| +007+ | 1.93 | Orval Overall | 64.7 | CHN |
| +008+ | 1.86 | Chief Bender | 27 | OAK |
| +009+ | 1.85 | Jack Powell | 66.3 | BAL |
| +011+ | 1.81 | Bill Grahame | 45.3 | BAL |
| +014+ | 1.48 | Jack Coombs | 35 | OAK |
| +015+ | 1.41 | Rube Marquard | 40.3 | SFN |
| +016+ | 1.33 | Ed Summers | 44 | DET |
| +017+ | 1.27 | Eddie Plank | 50 | OAK |
| XXXXX | 1.15 | Jack Warhop | 28.7 | NYA |
| XXXXX | 1.13 | Cy Morgan | 39 | BOS |
| XXXXX | 0.89 | Tully Sparks | 13 | PHI |
| XXXXX | 0.83 | Rip Hagerman | 30.7 | CHN |
| XXXXX | 0.81 | Bill Burns | 29.3 | MIN |
| XXXXX | 0.8 | Lew Moren | 56.3 | PHI |
| XXXXX | 0.78 | Babe Adams | 20 | PIT |
| XXXXX | 0.76 | Harry Krause | 14 | OAK |
| XXXXX | 0.73 | Hooks Wiltse | 24.3 | SFN |
| XXXXX | 0.72 | Joe Lake | 41 | NYA |
| XXXXX | 0.7 | Jesse Tannehill | 9 | MIN |
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