| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 14.49 | 195807140_CHA_NYA |
| Billy Pierce | CHA | 5.68 | 195807131_CHA_NYA |
| Frank Lary | DET | 2.96 | 195807150_DET_NYA |
| Billy O'Dell | BAL | 2.64 | 195807132_DET_BAL |
| Frank Sullivan | BOS | 2.53 | 195807150_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Urban | OAK | -2.21 | 195807140_OAK_MIN |
| Dave Sisler | BOS | -2.01 | 195807140_CLE_BOS |
| Russ Kemmerer | MIN | -1.99 | 195807150_CLE_MIN |
| Mike McCormick | SFN | -1.17 | 195807150_PHI_SFN |
| Don Drysdale | LAN | -1.17 | 195807150_PIT_LAN |
Based on accumulated WAA for this season up to 1958-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 6.51 | Whitey Ford | 143 | NYA |
| +006+ | 4.41 | Bob Turley | 136 | NYA |
| +012+ | 3.49 | Arnie Portocarrero | 109.7 | BAL |
| +013+ | 3.48 | Stu Miller | 71.3 | SFN |
| +017+ | 3.16 | Billy Pierce | 131.3 | CHA |
| +022+ | 2.88 | Robin Roberts | 159.7 | PHI |
| +023+ | 2.79 | Sam Jones | 127 | SLN |
| +026+ | 2.73 | Hoyt Wilhelm | 66.7 | CLE |
| +027+ | 2.67 | Jack Harshman | 117 | BAL |
| +029+ | 2.61 | Frank Lary | 134.3 | DET |
| +030+ | 2.54 | Ike Delock | 54.7 | BOS |
| +032+ | 2.42 | Joey Jay | 61.3 | ATL |
| +033+ | 2.4 | Warren Spahn | 158.3 | ATL |
| +034+ | 2.33 | Camilo Pascual | 80 | MIN |
| +036+ | 2.24 | Billy O'Dell | 131 | BAL |
| +040+ | 2.19 | Wilmer Mizell | 120.3 | SLN |
| +045+ | 2.05 | Art Ditmar | 58 | NYA |
| +047+ | 1.89 | Don Larsen | 70.3 | NYA |
| +051+ | 1.83 | Ray Semproch | 131 | PHI |
| +052+ | 1.8 | Al Worthington | 97 | SFN |
| +053+ | 1.79 | Johnny Antonelli | 136.7 | SFN |
| +056+ | 1.69 | Cal McLish | 96.7 | CLE |
| +059+ | 1.59 | Don Gross | 49.7 | PIT |
| +062+ | 1.57 | Frank Sullivan | 110 | BOS |
| +063+ | 1.52 | Jim Wilson | 113 | CHA |
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