| Starter | Tm | Tier | Game |
|---|---|---|---|
| Whitey Ford | NYA | 11.72 | 195806020_CHA_NYA |
| Jack Harshman | BAL | 2.17 | 195806020_MIN_BAL |
| Johnny Antonelli | SFN | 1.81 | 195806010_SFN_SLN |
| Dick Donovan | CHA | 1.62 | 195806030_CHA_NYA |
| Bob Friend | PIT | 0.98 | 195806010_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ruben Gomez | SFN | -4.33 | 195806030_ATL_SFN |
| Hal Griggs | MIN | -2.66 | 195806020_MIN_BAL |
| Dick Drott | CHN | -1.27 | 195806010_LAN_CHN |
| Joe Nuxhall | CIN | -0.74 | 195806020_PIT_CIN |
| Sandy Koufax | LAN | -0.24 | 195806030_CIN_LAN |
Based on accumulated WAA for this season up to 1958-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.85 | Whitey Ford | 72 | NYA |
| +004+ | 3.58 | Bob Turley | 76 | NYA |
| +006+ | 3.38 | Warren Spahn | 98.7 | ATL |
| +009+ | 2.62 | Arnie Portocarrero | 44.3 | BAL |
| +010+ | 2.56 | Jack Harshman | 71 | BAL |
| +012+ | 2.47 | Paul Foytack | 75.7 | DET |
| +013+ | 2.34 | Frank Lary | 74.3 | DET |
| +015+ | 2.11 | Don Larsen | 30 | NYA |
| +016+ | 1.96 | Bob Rush | 47.7 | ATL |
| +020+ | 1.86 | Taylor Phillips | 66.7 | CHN |
| +019+ | 1.86 | Jim Brosnan | 66.7 | TOT |
| +023+ | 1.76 | Robin Roberts | 91 | PHI |
| +024+ | 1.71 | Johnny Kucks | 44 | NYA |
| +026+ | 1.68 | Johnny Antonelli | 83 | SFN |
| +037+ | 1.41 | Billy O'Dell | 65.3 | BAL |
| +043+ | 1.25 | Don Mossi | 41.7 | CLE |
| XXXXX | 1.22 | Frank Baumann | 43.3 | BOS |
| XXXXX | 1.14 | Ron Kline | 72.7 | PIT |
| XXXXX | 1.13 | Cal McLish | 45 | CLE |
| XXXXX | 1.04 | Bob Smith | 43.7 | BOS |
| XXXXX | 1.04 | Pedro Ramos | 81 | MIN |
| XXXXX | 0.99 | Stu Miller | 24.7 | SFN |
| XXXXX | 0.95 | Jim Wilson | 58.3 | CHA |
| XXXXX | 0.76 | Early Wynn | 67.7 | CHA |
| XXXXX | 0.7 | Ned Garver | 71.7 | OAK |
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