| Name | Name | ERA |
| George Susce | Aces | 2.33 |
| Karl Spooner* | Arsenal | 2.50 |
| Ike Delock | Larks | 2.57 |
| Ray Narleski | Aces | 2.58 |
| Tom Poholsky | Aces | 2.61 |
| Robin Roberts | Muck Dogs | 2.64 |
| Roy Face | Carp | 2.86 |
| Art Fowler | Blues | 3.11 |
| Dick Donovan | Royal Giants | 3.15 |
| Whitey Ford* | Arsenal | 3.25 |
| Willard Nixon | Blues | 3.26 |
| Connie Johnson | Grays | 3.27 |
| Billy Hoeft* | Arsenal | 3.28 |
| Billy Pierce* | Larks | 3.34 |
| Frank Sullivan | Tigers | 3.40 |
| Johnny Klippstein | Walleye | 3.40 |
| Ned Garver | Larks | 3.42 |
| Hal Jeffcoat | Tigers | 3.51 |
| Bob Rush | Carp | 3.52 |
| Ray Crone | Clowns | 3.53 |
| Sam Jones | Aces | 3.56 |
| Herb Score* | Walleye | 3.56 |
| Herm Wehmeier | Muck Dogs | 3.57 |
| Clem Labine | Muck Dogs | 3.58 |
| Tom Brewer | Carp | 3.62 |
| Steve Gromek | Grays | 3.65 |
| Jim Hearn | Grays | 3.66 |
| Harry Byrd | Carp | 3.66 |
| George Zuverink | Grays | 3.67 |
| Bob Turley | Royal Giants | 3.67 |
| Harvey Haddix* | Tigers | 3.71 |
| Bob Friend | Clowns | 3.75 |
| Johnny Kucks | Blues | 3.76 |
| Bob Buhl | Walleye | 3.78 |
| Tommy Byrne* | Thunderbolts | 3.82 |
| Hoyt Wilhelm | Aces | 3.83 |
| Paul Minner* | Clowns | 3.87 |
| Billy Loes | Hawks | 3.90 |
| Joe Black | Thunderbolts | 3.92 |
| Ron Kline | Royal Giants | 3.92 |
| Warren Hacker | Stampers | 3.94 |
| Gene Conley | Larks | 3.96 |
| Chuck Stobbs* | Larks | 3.98 |
| Joe Nuxhall* | Grays | 3.98 |
| Bob Lemon | Carp | 4.02 |
| Bob Grim | Clowns | 4.03 |
| Duke Maas | Royal Giants | 4.04 |
| Pedro Ramos | Stampers | 4.05 |
| Brooks Lawrence | Thunderbolts | 4.05 |
| Warren Spahn* | Walleye | 4.09 |
| Arnie Portocarrero | Grays | 4.11 |
| Murry Dickson | Aces | 4.20 |
| Johnny Antonelli* | Tigers | 4.21 |
| Larry Jackson | Stampers | 4.25 |
| Willard Schmidt | Royal Giants | 4.27 |
| Johnny Podres* | Stampers | 4.35 |
| Don Newcombe | Muck Dogs | 4.37 |
| Leo Kiely* | Stampers | 4.38 |
| Sandy Consuegra | Blues | 4.38 |
| Early Wynn | Walleye | 4.38 |
| Windy McCall* | Grays | 4.39 |
| Jim Wilson | Tigers | 4.40 |
| Jackie Collum* | Clowns | 4.47 |
| Lew Burdette | Walleye | 4.54 |
| Art Ceccarelli* | Larks | 4.54 |
| Luis Arroyo* | Carp | 4.55 |
| Ted Abernathy | Larks | 4.57 |
| Bobby Shantz* | Stampers | 4.59 |
| Camilo Pascual | Tigers | 4.64 |
| Frank Lary | Muck Dogs | 4.64 |
| Paul Foytack | Royal Giants | 4.67 |
| Virgil Trucks | Thunderbolts | 4.67 |
| Jack Harshman* | Muck Dogs | 4.68 |
| Art Houtteman | Arsenal | 4.69 |
| Ray Moore | Aces | 4.70 |
| Ray Herbert | Royal Giants | 4.80 |
| Don Larsen | Arsenal | 4.81 |
| Bill Wight* | Tigers | 4.85 |
| Ernie Johnson | Arsenal | 4.87 |
| Dean Stone* | Clowns | 4.89 |
| Bob Porterfield | Aces | 4.90 |
| Mickey McDermott* | Thunderbolts | 5.09 |
| Jim Davis* | Aces | 5.10 |
| Alex Kellner* | Stampers | 5.17 |
| Vern Law | Larks | 5.44 |
| Carl Erskine | Thunderbolts | 5.47 |
| Mike Garcia | Grays | 5.60 |
| Curt Simmons* | Larks | 5.84 |
| Don Liddle* | Blues | 5.86 |
| Ruben Gomez | Hawks | 6.02 |
| Max Surkont | Thunderbolts | 6.10 |
| Gerry Staley | Blues | 6.16 |
| Eddie Lopat* | Thunderbolts | 6.16 |
| Saul Rogovin | Royal Giants | 6.37 |
| Sal Maglie | Clowns | 6.41 |
| Art Ditmar | Arsenal | 6.41 |
| Johnny Schmitz* | Hawks | 6.43 |
| Erv Palica | Hawks | 6.49 |
| Chet Nichols* | Hawks | 6.51 |
| Ed Roebuck | Hawks | 6.61 |