| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 8.45 | 195905180_ATL_SFN |
| Cal McLish | CLE | 7.22 | 195905171_CLE_BAL |
| Bob Turley | NYA | 5.04 | 195905160_CHA_NYA |
| Hoyt Wilhelm | BAL | 3.38 | 195905160_DET_BAL |
| Dick Donovan | CHA | 3.07 | 195905171_CHA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Pedro Ramos | MIN | -5.54 | 195905171_CHA_MIN |
| Early Wynn | CHA | -2.19 | 195905180_CHA_MIN |
| Stan Williams | LAN | -0.69 | 195905180_CIN_LAN |
| Arnie Portocarrero | BAL | -0.62 | 195905171_CLE_BAL |
| Ralph Terry | OAK | -0.4 | 195905160_OAK_MIN |
Based on accumulated WAA for this season up to 1959-05-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.49 | Hoyt Wilhelm | 54.7 | BAL |
| +007+ | 2.64 | Cal McLish | 62 | CLE |
| +008+ | 2.53 | Johnny Antonelli | 69.7 | SFN |
| +011+ | 2.22 | Jerry Walker | 35.3 | BAL |
| +012+ | 2.1 | Whitey Ford | 51.3 | NYA |
| +013+ | 2.1 | Gene Conley | 27 | PHI |
| +014+ | 2.09 | Ike Delock | 51.3 | BOS |
| +015+ | 1.98 | Jack Sanford | 64 | SFN |
| +017+ | 1.92 | Bob Shaw | 40.7 | CHA |
| +018+ | 1.88 | Stu Miller | 34.7 | SFN |
| +019+ | 1.84 | Hal Griggs | 27.3 | MIN |
| +020+ | 1.83 | Warren Spahn | 78.7 | ATL |
| +021+ | 1.8 | Bob Anderson | 52.3 | CHN |
| +022+ | 1.78 | Bill Fischer | 46 | MIN |
| +027+ | 1.51 | Jim Grant | 28.7 | CLE |
| +028+ | 1.51 | Billy Pierce | 58.7 | CHA |
| +031+ | 1.45 | Gary Blaylock | 44.3 | SLN |
| +033+ | 1.35 | Harvey Haddix | 45 | PIT |
| +034+ | 1.34 | Ron Kline | 42.7 | PIT |
| +035+ | 1.31 | Bud Daley | 28 | OAK |
| +038+ | 1.26 | Bob Turley | 51.3 | NYA |
| XXXXX | 1.23 | Bob Buhl | 24.7 | ATL |
| XXXXX | 1.23 | Hal Brown | 25.3 | BAL |
| XXXXX | 1.23 | Glen Hobbie | 55 | CHN |
| XXXXX | 1.22 | Camilo Pascual | 46.7 | MIN |
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