| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Antonelli | SFN | 7.27 | 195909030_CHN_SFN |
| Warren Spahn | ATL | 6.28 | 195909040_ATL_CIN |
| Frank Lary | DET | 2.94 | 195909021_DET_CHA |
| Vern Law | PIT | 2.62 | 195909021_PIT_CIN |
| Bud Daley | OAK | 2.52 | 195909040_OAK_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | -2.16 | 195909020_PHI_ATL |
| Bob Purkey | CIN | -1.64 | 195909040_ATL_CIN |
| Ernie Broglio | SLN | -0.82 | 195909020_SLN_LAN |
| Paul Foytack | DET | -0.77 | 195909022_DET_CHA |
| Herb Score | CLE | -0.75 | 195909020_OAK_CLE |
Based on accumulated WAA for this season up to 1959-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.04 | Hoyt Wilhelm | 192 | BAL |
| +007+ | 6.56 | Warren Spahn | 256.3 | ATL |
| +010+ | 5.89 | Johnny Antonelli | 251 | SFN |
| +014+ | 5.33 | Sam Jones | 231 | SFN |
| +017+ | 4.82 | Camilo Pascual | 194.3 | MIN |
| +024+ | 4.02 | Harvey Haddix | 201.7 | PIT |
| +028+ | 3.91 | Bob Rush | 89 | ATL |
| +029+ | 3.9 | Art Ditmar | 181 | NYA |
| +031+ | 3.89 | Don Newcombe | 196.7 | CIN |
| +032+ | 3.83 | Bob Shaw | 188.7 | CHA |
| +034+ | 3.74 | Frank Lary | 217.7 | DET |
| +035+ | 3.72 | Vern Law | 231 | PIT |
| +041+ | 3.51 | Roger Craig | 113 | LAN |
| +042+ | 3.49 | Stu Miller | 155.7 | SFN |
| +043+ | 3.48 | Larry Jackson | 225 | SLN |
| +048+ | 3.36 | Bob Buhl | 161.3 | ATL |
| +049+ | 3.33 | Jack Sanford | 193 | SFN |
| +050+ | 3.3 | Whitey Ford | 174.3 | NYA |
| +051+ | 3.28 | Jerry Walker | 145.7 | BAL |
| +057+ | 3.02 | Bud Daley | 186 | OAK |
| +064+ | 2.74 | Jim Perry | 120.3 | CLE |
| +065+ | 2.7 | Jim Owens | 196.3 | PHI |
| +066+ | 2.69 | Early Wynn | 218.7 | CHA |
| +070+ | 2.43 | Don Drysdale | 238 | LAN |
| +072+ | 2.36 | Don Mossi | 196 | DET |
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