| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 13.63 | 195905040_LAN_ATL |
| Bob Turley | NYA | 8.22 | 195905031_NYA_DET |
| Dick Donovan | CHA | 4.04 | 195905030_BAL_CHA |
| Billy O'Dell | BAL | 3.46 | 195905030_BAL_CHA |
| Frank Sullivan | BOS | 2.32 | 195905030_BOS_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Ramos | MIN | -5.57 | 195905031_MIN_CLE |
| Joe Nuxhall | CIN | -3.15 | 195905032_LAN_CIN |
| Dick Drott | CHN | -2.25 | 195905031_CHN_PHI |
| Seth Morehead | PHI | -2.2 | 195905020_CHN_PHI |
| Mike McCormick | SFN | -2.1 | 195905040_SFN_CIN |
Based on accumulated WAA for this season up to 1959-05-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.54 | Hoyt Wilhelm | 37.7 | BAL |
| +002+ | 2.51 | Bill Fischer | 34 | MIN |
| +005+ | 2.22 | Cal McLish | 36 | CLE |
| +008+ | 2.04 | Jack Sanford | 42 | SFN |
| +010+ | 1.8 | Bob Anderson | 32.7 | CHN |
| +011+ | 1.7 | Johnny Antonelli | 45 | SFN |
| +014+ | 1.5 | Whitey Ford | 29 | NYA |
| +019+ | 1.28 | Tom Brewer | 29.7 | BOS |
| +020+ | 1.26 | Jim Grant | 13 | CLE |
| XXXXX | 1.23 | Harvey Haddix | 24 | PIT |
| XXXXX | 1.2 | Ike Delock | 31 | BOS |
| XXXXX | 1.12 | Robin Roberts | 30.3 | PHI |
| XXXXX | 1.04 | Bob Grim | 40 | OAK |
| XXXXX | 1.01 | Alex Kellner | 12 | SLN |
| XXXXX | 1 | Russ Kemmerer | 40 | MIN |
| XXXXX | 1 | Hal Griggs | 12.3 | MIN |
| XXXXX | 0.95 | Lindy McDaniel | 32 | SLN |
| XXXXX | 0.92 | Warren Spahn | 52.7 | ATL |
| XXXXX | 0.89 | Billy Pierce | 36 | CHA |
| XXXXX | 0.88 | Glen Hobbie | 27.7 | CHN |
| XXXXX | 0.87 | Herb Score | 30.7 | CLE |
| XXXXX | 0.87 | Mike Garcia | 9 | CLE |
| XXXXX | 0.84 | Jerry Walker | 16.7 | BAL |
| XXXXX | 0.75 | Bob Turley | 34.3 | NYA |
| XXXXX | 0.67 | Ned Garver | 36.3 | OAK |
_