| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 17.14 | 195808130_MIN_NYA |
| Jack Harshman | BAL | 3.58 | 195808150_MIN_BAL |
| Johnny Antonelli | SFN | 2.37 | 195808140_SLN_SFN |
| Cal McLish | CLE | 2.29 | 195808140_DET_CLE |
| Joey Jay | ATL | 1.79 | 195808140_ATL_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ruben Gomez | SFN | -3.94 | 195808130_SLN_SFN |
| Don Newcombe | CIN | -2.14 | 195808140_ATL_CIN |
| Dave Sisler | BOS | -0.99 | 195808140_NYA_BOS |
| Don Drysdale | LAN | -0.92 | 195808140_CHN_LAN |
| Duke Maas | NYA | -0.85 | 195808140_NYA_BOS |
Based on accumulated WAA for this season up to 1958-08-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.4 | Whitey Ford | 192 | NYA |
| +008+ | 5.91 | Sam Jones | 184 | SLN |
| +013+ | 4.9 | Billy Pierce | 178.3 | CHA |
| +012+ | 4.9 | Bob Turley | 193.3 | NYA |
| +014+ | 4.52 | Joey Jay | 94 | ATL |
| +015+ | 4.41 | Jack Harshman | 176.3 | BAL |
| +018+ | 3.92 | Carl Willey | 94.3 | ATL |
| +019+ | 3.86 | Red Witt | 72 | PIT |
| +022+ | 3.59 | Arnie Portocarrero | 155.7 | BAL |
| +025+ | 3.48 | Johnny Antonelli | 186.7 | SFN |
| +028+ | 3.36 | Warren Spahn | 211 | ATL |
| +031+ | 3.27 | Billy O'Dell | 168.3 | BAL |
| +032+ | 3.26 | Robin Roberts | 205 | PHI |
| +033+ | 3.14 | Cal McLish | 159.3 | CLE |
| +034+ | 3.11 | Art Ditmar | 101.7 | NYA |
| +035+ | 3.1 | Stu Miller | 115.3 | SFN |
| +037+ | 3.07 | Hoyt Wilhelm | 82.3 | CLE |
| +040+ | 2.95 | Ray Moore | 117 | CHA |
| +044+ | 2.83 | Ike Delock | 94.7 | BOS |
| +046+ | 2.65 | Dick Donovan | 181.3 | CHA |
| +053+ | 2.36 | Frank Lary | 176.3 | DET |
| +056+ | 2.29 | Wilmer Mizell | 146.3 | SLN |
| +059+ | 2.13 | Ray Semproch | 171 | PHI |
| +060+ | 2.12 | Lew Burdette | 195 | ATL |
| +061+ | 2.11 | Bob Purkey | 193 | CIN |
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