| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 15.48 | 195805190_ATL_CIN |
| Dick Donovan | CHA | 4.09 | 195805200_NYA_CHA |
| Bob Turley | NYA | 3.06 | 195805182_NYA_MIN |
| Billy O'Dell | BAL | 2.29 | 195805200_BAL_DET |
| Frank Sullivan | BOS | 1.85 | 195805180_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Ramos | MIN | -2.21 | 195805181_NYA_MIN |
| Carl Erskine | LAN | -2.1 | 195805182_LAN_SLN |
| Johnny Klippstein | CIN | -2.01 | 195805190_ATL_CIN |
| Duke Maas | OAK | -0.6 | 195805180_DET_OAK |
| Dick Drott | CHN | -0.26 | 195805200_CHN_PIT |
Based on accumulated WAA for this season up to 1958-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.93 | Bob Turley | 54 | NYA |
| +003+ | 3.11 | Warren Spahn | 71.7 | ATL |
| +008+ | 2.22 | Whitey Ford | 42.3 | NYA |
| +009+ | 2.12 | Don Larsen | 23 | NYA |
| +010+ | 1.93 | Frank Lary | 53 | DET |
| +014+ | 1.67 | Jack Harshman | 45 | BAL |
| +021+ | 1.46 | Frank Baumann | 31.7 | BOS |
| +022+ | 1.44 | Dick Donovan | 54 | CHA |
| +024+ | 1.41 | Billy O'Dell | 46.7 | BAL |
| +029+ | 1.3 | Bob Rush | 26 | ATL |
| +030+ | 1.29 | Ron Kline | 51 | PIT |
| +031+ | 1.27 | Stu Miller | 18.3 | SFN |
| XXXXX | 1.2 | Mike McCormick | 38 | SFN |
| XXXXX | 1.16 | Johnny Antonelli | 58 | SFN |
| XXXXX | 1.11 | Ray Semproch | 49.7 | PHI |
| XXXXX | 0.99 | Milt Pappas | 17.3 | BAL |
| XXXXX | 0.96 | Curt Simmons | 57.3 | PHI |
| XXXXX | 0.95 | Paul Foytack | 49.3 | DET |
| XXXXX | 0.94 | Jim Brosnan | 51.7 | CHN |
| XXXXX | 0.87 | Arnie Portocarrero | 18.3 | BAL |
| XXXXX | 0.81 | Johnny Kucks | 27 | NYA |
| XXXXX | 0.8 | Pedro Ramos | 58 | MIN |
| XXXXX | 0.72 | Bob Smith | 32.7 | BOS |
| XXXXX | 0.72 | Robin Roberts | 64 | PHI |
| XXXXX | 0.65 | Herb Score | 30 | CLE |
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