| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mordecai Brown | CHN | 5.76 | 190908310_CHN_SFN |
| Christy Mathewson | SFN | 3.96 | 190908302_CHN_SFN |
| Cy Morgan | OAK | 2.89 | 190908310_OAK_CHA |
| Vic Willis | PIT | 2.53 | 190908310_PIT_ATL |
| Ed Walsh | CHA | 2.15 | 190909010_OAK_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cecil Ferguson | ATL | -5.28 | 190908300_CIN_ATL |
| Fred Beebe | SLN | -3.9 | 190908310_SLN_PHI |
| Roy Witherup | MIN | -1.42 | 190908310_MIN_BAL |
| Red Ames | SFN | -1.04 | 190908301_CHN_SFN |
| Harry McIntire | LAN | -1.01 | 190908300_PIT_LAN |
Based on accumulated WAA for this season up to 1909-09-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.92 | Mordecai Brown | 279.7 | CHN |
| +004+ | 7.49 | Christy Mathewson | 219 | SFN |
| +005+ | 6.82 | Cy Morgan | 233 | TOT |
| +006+ | 6.56 | Harry Krause | 168 | OAK |
| +007+ | 6.31 | Vic Willis | 256.7 | PIT |
| +008+ | 6.09 | Orval Overall | 220.7 | CHN |
| +010+ | 5.62 | Addie Joss | 203.7 | CLE |
| +011+ | 5.59 | Frank Smith | 321 | CHA |
| +012+ | 5.29 | Ed Walsh | 175 | CHA |
| +015+ | 5.01 | Frank Arellanes | 218.7 | BOS |
| +018+ | 4.82 | Howie Camnitz | 238 | PIT |
| +021+ | 4.41 | Ed Reulbach | 197 | CHN |
| +023+ | 4.36 | Eddie Plank | 205.3 | OAK |
| +022+ | 4.36 | George Mullin | 243.7 | DET |
| +024+ | 4.34 | Chief Bender | 189.7 | OAK |
| +026+ | 4.12 | Barney Pelty | 174.3 | BAL |
| +028+ | 4.06 | Nap Rucker | 244 | LAN |
| +029+ | 3.86 | Doc White | 151.3 | CHA |
| +032+ | 3.65 | Smoky Joe Wood | 124.7 | BOS |
| +034+ | 3.45 | Jack Coombs | 181.3 | OAK |
| +036+ | 3.24 | Jack Rowan | 166.3 | CIN |
| +037+ | 3.2 | Ed Summers | 229 | DET |
| +038+ | 3.2 | Art Fromme | 212.3 | CIN |
| +039+ | 3.14 | Rube Kroh | 102.3 | CHN |
| +041+ | 2.88 | Babe Adams | 76 | PIT |
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