| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 16.01 | 195808190_CLE_NYA |
| Warren Spahn | ATL | 3.76 | 195808200_ATL_LAN |
| Jack Harshman | BAL | 3.52 | 195808200_OAK_BAL |
| Johnny Antonelli | SFN | 2.45 | 195808190_CIN_SFN |
| Dick Donovan | CHA | 1.42 | 195808190_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Drott | CHN | -5.6 | 195808202_PIT_CHN |
| Don Drysdale | LAN | -1 | 195808191_ATL_LAN |
| Billy Muffett | SLN | -0.63 | 195808200_PHI_SLN |
| Pedro Ramos | MIN | -0.6 | 195808200_DET_MIN |
| Jack Sanford | PHI | -0.58 | 195808190_PHI_SLN |
Based on accumulated WAA for this season up to 1958-08-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.23 | Whitey Ford | 194 | NYA |
| +010+ | 5.25 | Billy Pierce | 187.3 | CHA |
| +012+ | 4.97 | Bob Turley | 193.3 | NYA |
| +013+ | 4.85 | Sam Jones | 190.3 | SLN |
| +014+ | 4.84 | Jack Harshman | 185.3 | BAL |
| +017+ | 4.28 | Warren Spahn | 227 | ATL |
| +018+ | 4.22 | Red Witt | 80 | PIT |
| +021+ | 4.11 | Billy O'Dell | 177.3 | BAL |
| +024+ | 3.88 | Joey Jay | 95.7 | ATL |
| +025+ | 3.77 | Johnny Antonelli | 196.7 | SFN |
| +026+ | 3.76 | Robin Roberts | 214 | PHI |
| +027+ | 3.76 | Carl Willey | 101.3 | ATL |
| +031+ | 3.32 | Arnie Portocarrero | 161.7 | BAL |
| +034+ | 3.21 | Dick Donovan | 190.3 | CHA |
| +035+ | 3.1 | Art Ditmar | 112.7 | NYA |
| +036+ | 3.06 | Hoyt Wilhelm | 82.3 | CLE |
| +039+ | 2.94 | Stu Miller | 120.3 | SFN |
| +040+ | 2.93 | Ray Moore | 117 | CHA |
| +041+ | 2.91 | Frank Lary | 188.3 | DET |
| +043+ | 2.81 | Lew Burdette | 204 | ATL |
| +044+ | 2.8 | Cal McLish | 162.7 | CLE |
| +051+ | 2.58 | Ike Delock | 103.3 | BOS |
| +053+ | 2.45 | Juan Pizarro | 52.3 | ATL |
| +059+ | 2.17 | Bob Purkey | 200 | CIN |
| +062+ | 2.12 | Wilmer Mizell | 151 | SLN |
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