| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Plank | OAK | 5.29 | 191305271_MIN_OAK |
| Pete Alexander | PHI | 4.7 | 191305290_PHI_SFN |
| Christy Mathewson | SFN | 4.13 | 191305271_SFN_ATL |
| Vean Gregg | CLE | 3.5 | 191305282_CHA_CLE |
| Ed Walsh | CHA | 2.67 | 191305282_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Tyler | ATL | -2.88 | 191305271_SFN_ATL |
| Orval Overall | CHN | -0.99 | 191305270_SLN_CHN |
| Pol Perritt | SLN | -0.83 | 191305290_CIN_SLN |
| Gene Packard | CIN | -0.73 | 191305290_CIN_SLN |
| Roy Mitchell | BAL | -0.62 | 191305270_DET_BAL |
Based on accumulated WAA for this season up to 1913-05-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.73 | Walter Johnson | 85 | MIN |
| +003+ | 3.31 | Cy Falkenberg | 88 | CLE |
| +006+ | 2.66 | Eddie Plank | 72.3 | OAK |
| +007+ | 2.64 | Nap Rucker | 71.7 | LAN |
| +009+ | 2.41 | Larry Cheney | 90.7 | CHN |
| +010+ | 2.31 | Bill Steen | 70.3 | CLE |
| +011+ | 2.24 | Jim Scott | 67 | CHA |
| +013+ | 2.08 | Eddie Cicotte | 50 | CHA |
| +015+ | 1.98 | Reb Russell | 87 | CHA |
| +016+ | 1.89 | Ad Brennan | 50 | PHI |
| +018+ | 1.74 | Pete Alexander | 74.3 | PHI |
| +019+ | 1.68 | Ray Keating | 61.7 | NYA |
| +021+ | 1.61 | Christy Mathewson | 80.7 | SFN |
| +023+ | 1.5 | Bob Harmon | 63 | SLN |
| +025+ | 1.47 | Cliff Curtis | 45.7 | LAN |
| +027+ | 1.45 | Tom Seaton | 89.7 | PHI |
| +029+ | 1.34 | Vean Gregg | 83.7 | CLE |
| +030+ | 1.29 | Bill James | 64.3 | ATL |
| XXXXX | 1.04 | Earl Hamilton | 79.3 | BAL |
| XXXXX | 1.02 | Babe Adams | 75 | PIT |
| XXXXX | 0.94 | Frank Allen | 65.3 | LAN |
| XXXXX | 0.91 | Lefty Tyler | 77.7 | ATL |
| XXXXX | 0.9 | Jeff Tesreau | 76 | SFN |
| XXXXX | 0.88 | Roy Mitchell | 65.3 | BAL |
| XXXXX | 0.82 | Joe Engel | 34.3 | MIN |
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