| 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 |
| Jack Urban | OAK | -4.58 | 195808210_OAK_MIN |
| Don Newcombe | CIN | -1.73 | 195808210_CIN_SFN |
| Don Drysdale | LAN | -1 | 195808191_ATL_LAN |
| Curt Simmons | PHI | -0.83 | 195808210_PHI_SLN |
Based on accumulated WAA for this season up to 1958-08-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.22 | Whitey Ford | 194 | NYA |
| +010+ | 5.26 | Billy Pierce | 187.3 | CHA |
| +012+ | 5.15 | Bob Turley | 202.3 | NYA |
| +013+ | 4.84 | Sam Jones | 190.3 | SLN |
| +014+ | 4.84 | Jack Harshman | 185.3 | BAL |
| +017+ | 4.27 | Warren Spahn | 227 | ATL |
| +018+ | 4.22 | Red Witt | 80 | PIT |
| +021+ | 4.05 | Billy O'Dell | 181.3 | BAL |
| +024+ | 3.87 | Joey Jay | 95.7 | ATL |
| +025+ | 3.78 | Robin Roberts | 214 | PHI |
| +026+ | 3.77 | Johnny Antonelli | 196.7 | SFN |
| +027+ | 3.76 | Carl Willey | 101.3 | ATL |
| +029+ | 3.63 | Lew Burdette | 213 | ATL |
| +034+ | 3.32 | Arnie Portocarrero | 161.7 | BAL |
| +035+ | 3.22 | Dick Donovan | 190.3 | CHA |
| +037+ | 3.1 | Art Ditmar | 112.7 | NYA |
| +038+ | 3.07 | Hoyt Wilhelm | 82.3 | CLE |
| +039+ | 2.94 | Stu Miller | 120.3 | SFN |
| +040+ | 2.92 | Frank Lary | 188.3 | DET |
| +043+ | 2.81 | Cal McLish | 162.7 | CLE |
| +049+ | 2.58 | Ike Delock | 103.3 | BOS |
| +052+ | 2.45 | Juan Pizarro | 52.3 | ATL |
| +053+ | 2.43 | Ray Moore | 123 | CHA |
| +061+ | 2.17 | Bob Purkey | 200 | CIN |
| +064+ | 2.12 | Wilmer Mizell | 151 | SLN |
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