| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 9.63 | 195809260_BAL_NYA |
| Sam Jones | SLN | 3.79 | 195809280_SLN_SFN |
| Jack Harshman | BAL | 3.65 | 195809281_BAL_NYA |
| Lew Burdette | ATL | 3.32 | 195809260_CIN_ATL |
| Cal McLish | CLE | 2.31 | 195809270_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Fischer | MIN | -4.01 | 195809262_BOS_MIN |
| Seth Morehead | PHI | -3.18 | 195809280_PHI_PIT |
| Dave Sisler | BOS | -1.87 | 195809270_BOS_MIN |
| Sandy Koufax | LAN | -1.16 | 195809262_CHN_LAN |
| Mike McCormick | SFN | -1.09 | 195809270_SLN_SFN |
Based on accumulated WAA for this season up to 1958-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 9.39 | Whitey Ford | 219.3 | NYA |
| +010+ | 6.46 | Billy Pierce | 244.7 | CHA |
| +012+ | 6.06 | Frank Lary | 260 | DET |
| +013+ | 6.04 | Lew Burdette | 275.3 | ATL |
| +017+ | 5.68 | Stu Miller | 181.7 | SFN |
| +018+ | 5.6 | Sam Jones | 250.7 | SLN |
| +019+ | 5.59 | Red Witt | 106 | PIT |
| +021+ | 5.29 | Warren Spahn | 290.3 | ATL |
| +022+ | 5.03 | Bob Turley | 245.7 | NYA |
| +024+ | 4.96 | Jack Harshman | 235.7 | BAL |
| +027+ | 4.66 | Dick Donovan | 248 | CHA |
| +028+ | 4.59 | Hoyt Wilhelm | 131 | TOT |
| +029+ | 4.55 | Billy O'Dell | 221.7 | BAL |
| +031+ | 4.41 | Cal McLish | 225.3 | CLE |
| +034+ | 3.88 | Joey Jay | 97 | ATL |
| +037+ | 3.75 | Carl Willey | 140 | ATL |
| +041+ | 3.49 | Robin Roberts | 269.3 | PHI |
| +043+ | 3.41 | Barry Latman | 47.7 | CHA |
| +046+ | 3.19 | Ryne Duren | 75.3 | NYA |
| +047+ | 3.08 | Johnny Antonelli | 242 | SFN |
| +049+ | 2.93 | Camilo Pascual | 177.7 | MIN |
| +054+ | 2.81 | Arnie Portocarrero | 204.7 | BAL |
| +060+ | 2.66 | Gary Bell | 182.3 | CLE |
| +062+ | 2.59 | Juan Pizarro | 96.7 | ATL |
| +065+ | 2.49 | Paul Foytack | 230 | DET |
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