| Starter | Tm | Tier | Game |
|---|---|---|---|
| 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 |
| Bob Buhl | ATL | 2.19 | 195905200_ATL_SFN |
| Frank Lary | DET | 1.28 | 195905200_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Cardwell | PHI | -2.58 | 195905200_PHI_CHN |
| Russ Kemmerer | MIN | -2.57 | 195905200_CLE_MIN |
| Carl Erskine | LAN | -1.49 | 195905202_CIN_LAN |
| Bob Friend | PIT | -1.01 | 195905200_PIT_SLN |
| Willard Schmidt | CIN | -0.58 | 195905190_CIN_LAN |
Based on accumulated WAA for this season up to 1959-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.48 | Hoyt Wilhelm | 54.7 | BAL |
| +007+ | 2.63 | Cal McLish | 62 | CLE |
| +008+ | 2.52 | Johnny Antonelli | 69.7 | SFN |
| +009+ | 2.4 | Jerry Walker | 37.3 | BAL |
| +011+ | 2.16 | Bob Anderson | 60.3 | CHN |
| +012+ | 2.11 | Gene Conley | 33.3 | PHI |
| +014+ | 2.07 | Ike Delock | 51.3 | BOS |
| +016+ | 1.97 | Jim Grant | 35.7 | CLE |
| +017+ | 1.97 | Bill Fischer | 48 | MIN |
| +018+ | 1.93 | Bob Shaw | 40.7 | CHA |
| +020+ | 1.87 | Stu Miller | 34.7 | SFN |
| +021+ | 1.86 | Warren Spahn | 78.7 | ATL |
| +023+ | 1.82 | Jack Sanford | 69 | SFN |
| +024+ | 1.82 | Harvey Haddix | 54 | PIT |
| +027+ | 1.67 | Billy Pierce | 64.7 | CHA |
| +031+ | 1.49 | Tom Brewer | 54 | BOS |
| +032+ | 1.48 | Billy O'Dell | 45 | BAL |
| +033+ | 1.44 | Gary Blaylock | 44.3 | SLN |
| +035+ | 1.4 | Camilo Pascual | 48.7 | MIN |
| +037+ | 1.36 | Bob Buhl | 32.7 | ATL |
| +038+ | 1.34 | Ned Garver | 53.7 | OAK |
| +040+ | 1.32 | Hal Griggs | 30.7 | MIN |
| +042+ | 1.32 | Whitey Ford | 52 | NYA |
| +043+ | 1.31 | Bud Daley | 28 | OAK |
| +044+ | 1.26 | Wilmer Mizell | 68 | SLN |
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