| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 8.45 | 195905180_ATL_SFN |
| Whitey Ford | NYA | 7.92 | 195905190_DET_NYA |
| Billy Pierce | CHA | 4.85 | 195905190_CHA_BAL |
| Billy O'Dell | BAL | 3.24 | 195905190_CHA_BAL |
| Jim Bunning | DET | 2.08 | 195905180_DET_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Cardwell | PHI | -2.58 | 195905200_PHI_CHN |
| Russ Kemmerer | MIN | -2.57 | 195905200_CLE_MIN |
| Early Wynn | CHA | -2.19 | 195905180_CHA_MIN |
| Carl Erskine | LAN | -1.49 | 195905202_CIN_LAN |
| Bob Friend | PIT | -1.01 | 195905200_PIT_SLN |
Based on accumulated WAA for this season up to 1959-05-20.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.5 | Hoyt Wilhelm | 54.7 | BAL |
| +007+ | 2.65 | Cal McLish | 62 | CLE |
| +008+ | 2.55 | Johnny Antonelli | 69.7 | SFN |
| +009+ | 2.42 | Jerry Walker | 37.3 | BAL |
| +011+ | 2.13 | Gene Conley | 33.3 | PHI |
| +013+ | 2.1 | Ike Delock | 51.3 | BOS |
| +015+ | 1.99 | Jim Grant | 35.7 | CLE |
| +016+ | 1.99 | Bill Fischer | 48 | MIN |
| +017+ | 1.95 | Bob Shaw | 40.7 | CHA |
| +020+ | 1.89 | Warren Spahn | 78.7 | ATL |
| +021+ | 1.89 | Stu Miller | 34.7 | SFN |
| +022+ | 1.85 | Jack Sanford | 69 | SFN |
| +023+ | 1.81 | Bob Anderson | 52.3 | CHN |
| +025+ | 1.7 | Billy Pierce | 64.7 | CHA |
| +030+ | 1.5 | Billy O'Dell | 45 | BAL |
| +031+ | 1.46 | Gary Blaylock | 44.3 | SLN |
| +032+ | 1.42 | Camilo Pascual | 48.7 | MIN |
| +034+ | 1.39 | Harvey Haddix | 45 | PIT |
| +035+ | 1.37 | Bob Buhl | 32.7 | ATL |
| +037+ | 1.34 | Whitey Ford | 52 | NYA |
| +039+ | 1.33 | Hal Griggs | 30.7 | MIN |
| +041+ | 1.32 | Bud Daley | 28 | OAK |
| +043+ | 1.29 | Wilmer Mizell | 68 | SLN |
| +044+ | 1.27 | Bob Turley | 51.3 | NYA |
| XXXXX | 1.24 | Glen Hobbie | 55 | CHN |
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