| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 15.76 | 195807202_OAK_NYA |
| Warren Spahn | ATL | 5.83 | 195807200_ATL_CHN |
| Billy Pierce | CHA | 4.31 | 195807220_BAL_CHA |
| Frank Sullivan | BOS | 2.5 | 195807201_DET_BOS |
| Jack Harshman | BAL | 2.27 | 195807220_BAL_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Drott | CHN | -4.66 | 195807210_CHN_CIN |
| Hal Griggs | MIN | -4.6 | 195807202_CHA_MIN |
| Lindy McDaniel | SLN | -2.64 | 195807210_SLN_ATL |
| Jack Urban | OAK | -1.24 | 195807202_OAK_NYA |
| Curt Simmons | PHI | -0.3 | 195807200_PHI_LAN |
Based on accumulated WAA for this season up to 1958-07-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.25 | Whitey Ford | 152 | NYA |
| +006+ | 4.75 | Bob Turley | 154.7 | NYA |
| +007+ | 4.27 | Billy Pierce | 148 | CHA |
| +011+ | 3.95 | Arnie Portocarrero | 119.7 | BAL |
| +013+ | 3.74 | Stu Miller | 79 | SFN |
| +019+ | 3.32 | Robin Roberts | 168.7 | PHI |
| +020+ | 3.31 | Hoyt Wilhelm | 75.7 | CLE |
| +021+ | 3.25 | Jack Harshman | 133 | BAL |
| +022+ | 3.03 | Billy O'Dell | 140 | BAL |
| +023+ | 3.01 | Ike Delock | 69.7 | BOS |
| +025+ | 2.77 | Joey Jay | 70.3 | ATL |
| +027+ | 2.74 | Sam Jones | 139 | SLN |
| +039+ | 2.34 | Frank Lary | 143 | DET |
| +041+ | 2.33 | Warren Spahn | 175 | ATL |
| +043+ | 2.25 | Johnny Antonelli | 146.7 | SFN |
| +045+ | 2.24 | Camilo Pascual | 93.3 | MIN |
| +044+ | 2.24 | Don Larsen | 79.3 | NYA |
| +048+ | 2.13 | Art Ditmar | 64 | NYA |
| +049+ | 2.08 | Cal McLish | 117.7 | CLE |
| +052+ | 2.01 | Wilmer Mizell | 121.3 | SLN |
| +054+ | 1.95 | Jim Bunning | 120.7 | DET |
| +057+ | 1.91 | Lew Burdette | 156.3 | ATL |
| +063+ | 1.66 | Joe Nuxhall | 99.3 | CIN |
| +062+ | 1.66 | John Briggs | 48.3 | CHN |
| +065+ | 1.61 | Ray Moore | 85.7 | CHA |
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