| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 8.54 | 195809142_NYA_OAK |
| Sam Jones | SLN | 4.27 | 195809140_SLN_PHI |
| Billy Pierce | CHA | 3.84 | 195809141_MIN_CHA |
| Warren Spahn | ATL | 3.43 | 195809130_SLN_ATL |
| Stu Miller | SFN | 2.85 | 195809141_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Urban | OAK | -5.83 | 195809130_MIN_OAK |
| Bill Fischer | MIN | -3.99 | 195809141_MIN_CHA |
| Seth Morehead | PHI | -3.67 | 195809130_SFN_PHI |
| Don Newcombe | CIN | -1.79 | 195809142_SFN_CIN |
| Ramon Monzant | SFN | -1.75 | 195809142_SFN_CIN |
Based on accumulated WAA for this season up to 1958-09-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.61 | Whitey Ford | 206.3 | NYA |
| +007+ | 6.8 | Bob Turley | 235 | NYA |
| +011+ | 6.25 | Billy Pierce | 228 | CHA |
| +012+ | 6.04 | Sam Jones | 234.7 | SLN |
| +015+ | 5.74 | Red Witt | 106 | PIT |
| +016+ | 5.73 | Warren Spahn | 272 | ATL |
| +018+ | 5.61 | Jack Harshman | 214.7 | BAL |
| +021+ | 5.06 | Stu Miller | 163.3 | SFN |
| +022+ | 5.02 | Frank Lary | 232 | DET |
| +024+ | 4.74 | Billy O'Dell | 214.3 | BAL |
| +025+ | 4.69 | Lew Burdette | 251.3 | ATL |
| +030+ | 4.39 | Dick Donovan | 226 | CHA |
| +031+ | 4.18 | Carl Willey | 132 | ATL |
| +032+ | 3.88 | Cal McLish | 205.7 | CLE |
| +033+ | 3.83 | Joey Jay | 95.7 | ATL |
| +039+ | 3.47 | Hoyt Wilhelm | 112.7 | TOT |
| +040+ | 3.46 | Robin Roberts | 251.3 | PHI |
| +041+ | 3.37 | Juan Pizarro | 83.7 | ATL |
| +046+ | 3.14 | Johnny Antonelli | 226 | SFN |
| +055+ | 2.59 | Arnie Portocarrero | 190.7 | BAL |
| +056+ | 2.57 | Gary Bell | 154 | CLE |
| +064+ | 2.37 | Wilmer Mizell | 184.7 | SLN |
| +066+ | 2.22 | Camilo Pascual | 161.7 | MIN |
| +068+ | 2.2 | Bob Purkey | 244 | CIN |
| +074+ | 2.02 | Dave Hillman | 113.3 | CHN |
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