| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 7.14 | 195807160_ATL_SLN |
| Billy Pierce | CHA | 4.41 | 195807170_CHA_BAL |
| Bob Turley | NYA | 4.02 | 195807160_DET_NYA |
| Jack Harshman | BAL | 2.38 | 195807162_CHA_BAL |
| Sam Jones | SLN | 1.93 | 195807160_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hal Griggs | MIN | -5.17 | 195807160_CLE_MIN |
| Ruben Gomez | SFN | -5.08 | 195807170_PHI_SFN |
| Lindy McDaniel | SLN | -1.48 | 195807170_ATL_SLN |
| Vern Law | PIT | -1.45 | 195807180_PIT_SFN |
| Dick Tomanek | OAK | -1.29 | 195807180_OAK_NYA |
Based on accumulated WAA for this season up to 1958-07-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.57 | Whitey Ford | 143 | NYA |
| +006+ | 4.86 | Bob Turley | 145 | NYA |
| +011+ | 3.78 | Stu Miller | 79 | SFN |
| +012+ | 3.55 | Billy Pierce | 139.3 | CHA |
| +013+ | 3.54 | Arnie Portocarrero | 109.7 | BAL |
| +020+ | 3.11 | Billy O'Dell | 140 | BAL |
| +022+ | 3 | Robin Roberts | 159.7 | PHI |
| +023+ | 2.9 | Jack Harshman | 126 | BAL |
| +025+ | 2.76 | Hoyt Wilhelm | 66.7 | CLE |
| +027+ | 2.7 | Frank Lary | 134.3 | DET |
| +028+ | 2.68 | Ike Delock | 60.7 | BOS |
| +031+ | 2.45 | Joey Jay | 61.3 | ATL |
| +036+ | 2.31 | Don Larsen | 79.3 | NYA |
| +038+ | 2.29 | Sam Jones | 130 | SLN |
| +039+ | 2.24 | Johnny Antonelli | 145.7 | SFN |
| +043+ | 2.19 | Art Ditmar | 64 | NYA |
| +045+ | 2.14 | Wilmer Mizell | 121.3 | SLN |
| +046+ | 2.13 | Warren Spahn | 166 | ATL |
| +053+ | 1.92 | Cal McLish | 105.7 | CLE |
| +055+ | 1.88 | Camilo Pascual | 86.3 | MIN |
| +056+ | 1.83 | Al Worthington | 97 | SFN |
| +058+ | 1.73 | Ray Moore | 79.7 | CHA |
| +059+ | 1.72 | Joe Nuxhall | 99.3 | CIN |
| +061+ | 1.68 | John Briggs | 48.3 | CHN |
| +062+ | 1.65 | Lew Burdette | 142.3 | ATL |
_