| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam Jones | SLN | 4.38 | 195809090_CHN_SLN |
| Billy Pierce | CHA | 3.79 | 195809100_BOS_CHA |
| Jack Harshman | BAL | 3.6 | 195809100_BAL_OAK |
| Red Witt | PIT | 3.05 | 195809090_SFN_PIT |
| Stu Miller | SFN | 2.47 | 195809090_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hal Griggs | MIN | -3.08 | 195809090_MIN_DET |
| Don Newcombe | CIN | -2.09 | 195809090_CIN_ATL |
| Taylor Phillips | CHN | -1.45 | 195809100_CHN_SLN |
| Sandy Koufax | LAN | -1.03 | 195809090_LAN_PHI |
| Early Wynn | CHA | -0.57 | 195809090_BOS_CHA |
Based on accumulated WAA for this season up to 1958-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 8.41 | Whitey Ford | 201.3 | NYA |
| +008+ | 6.03 | Bob Turley | 226 | NYA |
| +009+ | 5.86 | Sam Jones | 226.7 | SLN |
| +012+ | 5.73 | Red Witt | 106 | PIT |
| +016+ | 5.61 | Billy Pierce | 219 | CHA |
| +017+ | 5.51 | Jack Harshman | 214.7 | BAL |
| +018+ | 5.42 | Billy O'Dell | 206.7 | BAL |
| +020+ | 5.29 | Warren Spahn | 263 | ATL |
| +021+ | 5.1 | Stu Miller | 157.3 | SFN |
| +024+ | 4.58 | Carl Willey | 129.7 | ATL |
| +026+ | 4.37 | Frank Lary | 223 | DET |
| +029+ | 3.9 | Dick Donovan | 218.7 | CHA |
| +030+ | 3.84 | Lew Burdette | 242.3 | ATL |
| +032+ | 3.82 | Joey Jay | 95.7 | ATL |
| +038+ | 3.35 | Hoyt Wilhelm | 104.7 | TOT |
| +042+ | 3.24 | Cal McLish | 196.7 | CLE |
| +043+ | 3.21 | Juan Pizarro | 82 | ATL |
| +045+ | 3.03 | Robin Roberts | 242.3 | PHI |
| +051+ | 2.69 | Johnny Antonelli | 217 | SFN |
| +055+ | 2.6 | Wilmer Mizell | 178.7 | SLN |
| +056+ | 2.51 | Gary Bell | 146.7 | CLE |
| +059+ | 2.4 | Camilo Pascual | 159.7 | MIN |
| +066+ | 2.29 | Art Ditmar | 131.7 | NYA |
| +069+ | 2.14 | Arnie Portocarrero | 182 | BAL |
| +071+ | 2.1 | Dave Hillman | 110 | CHN |
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