| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 18.03 | 195808031_NYA_CHA |
| Warren Spahn | ATL | 4.53 | 195808032_SFN_ATL |
| Sam Jones | SLN | 3.5 | 195808020_SLN_PIT |
| Billy O'Dell | BAL | 2.74 | 195808020_BAL_DET |
| Johnny Antonelli | SFN | 2.58 | 195808031_SFN_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Drott | CHN | -5.27 | 195808040_SFN_CHN |
| Ruben Gomez | SFN | -4.5 | 195808032_SFN_ATL |
| Hal Griggs | MIN | -3.92 | 195808032_MIN_OAK |
| Jack Urban | OAK | -2.11 | 195808032_MIN_OAK |
| Vern Law | PIT | -0.99 | 195808020_SLN_PIT |
Based on accumulated WAA for this season up to 1958-08-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 8.55 | Whitey Ford | 175 | NYA |
| +007+ | 4.97 | Sam Jones | 166 | SLN |
| +008+ | 4.86 | Bob Turley | 171.3 | NYA |
| +014+ | 3.83 | Billy Pierce | 160.3 | CHA |
| +016+ | 3.78 | Stu Miller | 98.3 | SFN |
| +017+ | 3.76 | Robin Roberts | 186.7 | PHI |
| +018+ | 3.59 | Joey Jay | 84.7 | ATL |
| +020+ | 3.49 | Jack Harshman | 149.3 | BAL |
| +022+ | 3.33 | Warren Spahn | 194.3 | ATL |
| +024+ | 3.25 | Arnie Portocarrero | 144.3 | BAL |
| +027+ | 3.13 | Johnny Antonelli | 168.3 | SFN |
| +029+ | 3.11 | Hoyt Wilhelm | 76.3 | CLE |
| +032+ | 3 | Cal McLish | 135.7 | CLE |
| +038+ | 2.68 | Ray Semproch | 160 | PHI |
| +044+ | 2.4 | Carl Willey | 69 | ATL |
| +045+ | 2.39 | Camilo Pascual | 107.3 | MIN |
| +046+ | 2.34 | Art Ditmar | 84.7 | NYA |
| +047+ | 2.31 | Ike Delock | 87.7 | BOS |
| +048+ | 2.3 | Ray Moore | 101 | CHA |
| +050+ | 2.23 | Wilmer Mizell | 133 | SLN |
| +051+ | 2.21 | Frank Lary | 164 | DET |
| +053+ | 2.15 | Red Witt | 54 | PIT |
| +054+ | 2.05 | Billy O'Dell | 152 | BAL |
| +056+ | 1.99 | Ron Kline | 161.3 | PIT |
| +063+ | 1.85 | Dick Donovan | 161.7 | CHA |
_