| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Turley | NYA | 4.09 | 195808150_NYA_BOS |
| Jack Harshman | BAL | 3.58 | 195808150_MIN_BAL |
| Warren Spahn | ATL | 3.42 | 195808160_PHI_ATL |
| Johnny Antonelli | SFN | 2.37 | 195808140_SLN_SFN |
| Cal McLish | CLE | 2.29 | 195808140_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Drott | CHN | -5.54 | 195808160_CHN_SFN |
| Jack Urban | OAK | -3.43 | 195808160_DET_OAK |
| Don Newcombe | CIN | -2.14 | 195808140_ATL_CIN |
| Curt Simmons | PHI | -1.1 | 195808160_PHI_ATL |
| Dave Sisler | BOS | -0.99 | 195808140_NYA_BOS |
Based on accumulated WAA for this season up to 1958-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.45 | Whitey Ford | 192 | NYA |
| +008+ | 5.94 | Sam Jones | 184 | SLN |
| +012+ | 4.95 | Bob Turley | 193.3 | NYA |
| +013+ | 4.85 | Billy Pierce | 178.3 | CHA |
| +014+ | 4.54 | Joey Jay | 94 | ATL |
| +015+ | 4.44 | Jack Harshman | 176.3 | BAL |
| +017+ | 4.11 | Billy O'Dell | 177.3 | BAL |
| +019+ | 4.01 | Warren Spahn | 220 | ATL |
| +020+ | 3.94 | Carl Willey | 94.3 | ATL |
| +021+ | 3.87 | Red Witt | 72 | PIT |
| +025+ | 3.62 | Arnie Portocarrero | 155.7 | BAL |
| +028+ | 3.51 | Johnny Antonelli | 186.7 | SFN |
| +032+ | 3.32 | Robin Roberts | 205 | PHI |
| +034+ | 3.14 | Art Ditmar | 101.7 | NYA |
| +035+ | 3.12 | Stu Miller | 115.3 | SFN |
| +036+ | 3.1 | Cal McLish | 159.3 | CLE |
| +037+ | 3.05 | Hoyt Wilhelm | 82.3 | CLE |
| +039+ | 2.93 | Ray Moore | 117 | CHA |
| +043+ | 2.85 | Ike Delock | 94.7 | BOS |
| +046+ | 2.6 | Dick Donovan | 181.3 | CHA |
| +052+ | 2.32 | Wilmer Mizell | 146.3 | SLN |
| +059+ | 2.18 | Ray Semproch | 171 | PHI |
| +060+ | 2.16 | Lew Burdette | 195 | ATL |
| +061+ | 2.15 | Bob Purkey | 193 | CIN |
| +064+ | 2.05 | Frank Lary | 179.3 | DET |
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