Other baseball leagues in 1939:    
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MLB 1939 Leaders
ERA

1
Profile photo of Nels Potter

Nels Potter

Philadelphia Athletics

6.60

2
Profile photo of Buck Ross

Buck Ross

Philadelphia Athletics

6.00

3
Profile photo of Jack Kramer

Jack Kramer

St. Louis Browns

5.83

4
Profile photo of Vern Kennedy

Vern Kennedy

Detroit Tigers
St. Louis Browns

5.80

5
Profile photo of Bill Beckmann

Bill Beckmann

Philadelphia Athletics

5.39

6
Profile photo of Joe Haynes

Joe Haynes

Washington Senators

5.36

7
Profile photo of Bill Trotter

Bill Trotter

St. Louis Browns

5.34

8
Profile photo of Roxie Lawson

Roxie Lawson

Detroit Tigers
St. Louis Browns

5.28

9
Profile photo of Schoolboy Rowe

Schoolboy Rowe

Detroit Tigers

4.99

10
Profile photo of Hugh Mulcahy

Hugh Mulcahy

Philadelphia Phillies

4.99

11
Profile photo of Hal Schumacher

Hal Schumacher

New York Giants

4.81

12
Profile photo of Lynn Nelson

Lynn Nelson

Philadelphia Athletics

4.78

13
Profile photo of Boom-Boom Beck

Boom-Boom Beck

Philadelphia Phillies

4.73

14
Profile photo of Alex Carrasquel

Alex Carrasquel

Washington Senators

4.69

15
Profile photo of Kirby Higbe

Kirby Higbe

Chicago Cubs
Philadelphia Phillies

4.67

16
Profile photo of Jack Wilson

Jack Wilson

Boston Red Sox

4.67

17
Profile photo of Max Butcher

Max Butcher

Philadelphia Phillies
Pittsburgh Pirates

4.62

18
Profile photo of Joe Krakauskas

Joe Krakauskas

Washington Senators

4.60

19
Profile photo of Johnny Allen

Johnny Allen

Cleveland Indians

4.58

20
Profile photo of Joe Bowman

Joe Bowman

Pittsburgh Pirates

4.48

21
Profile photo of Vito Tamulis

Vito Tamulis

Brooklyn Dodgers

4.37

22
Profile photo of Bob Klinger

Bob Klinger

Pittsburgh Pirates

4.36

23
Profile photo of Harry Gumbert

Harry Gumbert

New York Giants

4.32

24
Profile photo of Jim Turner

Jim Turner

Boston Bees

4.28

25
Profile photo of Fritz Ostermueller

Fritz Ostermueller

Boston Red Sox

4.24

26
Profile photo of Thornton Lee

Thornton Lee

Chicago White Sox

4.21

27
Profile photo of Lee Grissom

Lee Grissom

Cincinnati Reds

4.10

28
Profile photo of Rip Sewell

Rip Sewell

Pittsburgh Pirates

4.08

29
Profile photo of Bill Lohrman

Bill Lohrman

New York Giants

4.07

30
Profile photo of Charlie Root

Charlie Root

Chicago Cubs

4.03

31
Profile photo of Tot Pressnell

Tot Pressnell

Brooklyn Dodgers

4.02

32
Profile photo of Bill Posedel

Bill Posedel

Boston Bees

3.92

33
Profile photo of Danny MacFayden

Danny MacFayden

Boston Bees

3.90

34
Profile photo of Bill McGee

Bill McGee

St. Louis Cardinals

3.81

35
Profile photo of Ken Chase

Ken Chase

Washington Senators

3.80

36
Profile photo of Eddie Smith

Eddie Smith

Philadelphia Athletics
Chicago White Sox

3.79

37
Profile photo of Al Milnar

Al Milnar

Cleveland Indians

3.79

38
Profile photo of Lon Warneke

Lon Warneke

St. Louis Cardinals

3.78

39
Profile photo of Atley Donald

Atley Donald

New York Yankees

3.71

40
Profile photo of Johnny Rigney

Johnny Rigney

Chicago White Sox

3.70

41
Profile photo of Luke Hamlin

Luke Hamlin

Brooklyn Dodgers

3.64

42
Profile photo of Curt Davis

Curt Davis

St. Louis Cardinals

3.63

43
Profile photo of Dizzy Trout

Dizzy Trout

Detroit Tigers

3.61

44
Profile photo of Bobo Newsom

Bobo Newsom

St. Louis Browns
Detroit Tigers

3.58

45
Profile photo of Cliff Melton

Cliff Melton

New York Giants

3.56

46
Profile photo of Dutch Leonard

Dutch Leonard

Washington Senators

3.54

47
Profile photo of Mel Harder

Mel Harder

Cleveland Indians

3.51

48
Profile photo of Tommy Bridges

Tommy Bridges

Detroit Tigers

3.50

49
Profile photo of Whitey Moore

Whitey Moore

Cincinnati Reds

3.45

50
Profile photo of Bill Lee

Bill Lee

Chicago Cubs

3.44

51
Profile photo of Lefty Gomez

Lefty Gomez

New York Yankees

3.41

52
Profile photo of Mace Brown

Mace Brown

Pittsburgh Pirates

3.37

53
Profile photo of Larry French

Larry French

Chicago Cubs

3.29

54
Profile photo of Claude Passeau

Claude Passeau

Philadelphia Phillies
Chicago Cubs

3.28

55
Profile photo of Mort Cooper

Mort Cooper

St. Louis Cardinals

3.25

56
Profile photo of Milt Shoffner

Milt Shoffner

Boston Bees
Cincinnati Reds

3.18

57
Profile photo of Bump Hadley

Bump Hadley

New York Yankees

2.98

58
Profile photo of Red Ruffing

Red Ruffing

New York Yankees

2.93

59
Profile photo of Hugh Casey

Hugh Casey

Brooklyn Dodgers

2.93

60
Profile photo of Paul Derringer

Paul Derringer

Cincinnati Reds

2.93

61
Profile photo of Bob Feller

Bob Feller

Cleveland Indians

2.85

62
Profile photo of Ted Lyons

Ted Lyons

Chicago White Sox

2.76

63
Profile photo of Carl Hubbell

Carl Hubbell

New York Giants

2.75

64
Profile photo of Bob Bowman

Bob Bowman

St. Louis Cardinals

2.60

65
Profile photo of Lefty Grove

Lefty Grove

Boston Red Sox

2.55

66
Profile photo of Bucky Walters

Bucky Walters

Cincinnati Reds

2.29

1 Comment

  1. I sincerely appreciate the research work, and the information being shared. It is important and interesting history.

Comments are closed.