| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 14.82 | 195805230_SFN_ATL |
| Whitey Ford | NYA | 10.81 | 195805251_NYA_CLE |
| Dick Donovan | CHA | 3.67 | 195805251_BOS_CHA |
| Billy O'Dell | BAL | 2.07 | 195805240_BAL_CHA |
| Frank Sullivan | BOS | 1.78 | 195805240_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ruben Gomez | SFN | -5.21 | 195805251_SFN_PIT |
| Pedro Ramos | MIN | -2.5 | 195805230_MIN_CLE |
| Alex Kellner | OAK | -1.69 | 195805240_BOS_OAK |
| Johnny Klippstein | CIN | -1.46 | 195805240_LAN_CIN |
| Willard Nixon | BOS | -1.02 | 195805230_BOS_OAK |
Based on accumulated WAA for this season up to 1958-05-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.4 | Bob Turley | 63 | NYA |
| +005+ | 3.11 | Whitey Ford | 60.3 | NYA |
| +007+ | 2.69 | Warren Spahn | 80.7 | ATL |
| +010+ | 2.13 | Jack Harshman | 53 | BAL |
| +011+ | 2.06 | Don Larsen | 23 | NYA |
| +012+ | 1.94 | Taylor Phillips | 54.7 | CHN |
| +014+ | 1.84 | Frank Lary | 65.3 | DET |
| +016+ | 1.78 | Bob Rush | 41.7 | ATL |
| +020+ | 1.61 | Johnny Antonelli | 67 | SFN |
| +023+ | 1.53 | Frank Baumann | 40.7 | BOS |
| +029+ | 1.45 | Ron Kline | 59 | PIT |
| +030+ | 1.44 | Billy O'Dell | 54.7 | BAL |
| +032+ | 1.36 | Robin Roberts | 73 | PHI |
| +034+ | 1.31 | Ned Garver | 58.7 | OAK |
| XXXXX | 1.23 | Stu Miller | 18.3 | SFN |
| XXXXX | 1.2 | Curt Simmons | 64 | PHI |
| XXXXX | 1.19 | Mike McCormick | 43.7 | SFN |
| XXXXX | 1.17 | Jim Brosnan | 57.7 | TOT |
| XXXXX | 1.16 | Paul Foytack | 58 | DET |
| XXXXX | 1.03 | Pedro Ramos | 66 | MIN |
| XXXXX | 0.99 | Don Mossi | 37.3 | CLE |
| XXXXX | 0.95 | Jim Grant | 58.3 | CLE |
| XXXXX | 0.84 | Ron Blackburn | 23.7 | PIT |
| XXXXX | 0.79 | Arnie Portocarrero | 22.3 | BAL |
| XXXXX | 0.72 | Bob Smith | 38.7 | BOS |
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