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Orioles All-Time Leaders
ERA

1
Profile photo of Jack Knott

Jack Knott

1933-1938

5.41

2
Profile photo of Bob Harris

Bob Harris

1939-1942

5.25

3
Profile photo of Ubaldo Jimenez

Ubaldo Jimenez

2014-2017

5.22

4
Profile photo of Daniel Cabrera

Daniel Cabrera

2004-2008

5.05

5
Profile photo of Dick Coffman

Dick Coffman

1928-1935

5.02

6
Profile photo of Sidney Ponson

Sidney Ponson

1998-2005

4.86

7
Profile photo of Arthur Rhodes

Arthur Rhodes

1991-1999

4.86

8
Profile photo of Cliff Fannin

Cliff Fannin

1945-1952

4.85

9
Profile photo of Brian Matusz

Brian Matusz

2009-2016

4.85

10
Profile photo of Jason Johnson

Jason Johnson

1999-2003

4.84

11
Profile photo of Bobo Newsom

Bobo Newsom

1934-1943

4.83

12
Profile photo of Scott Erickson

Scott Erickson

1995-2002

4.73

13
Profile photo of Rodrigo Lopez

Rodrigo Lopez

2002-2006

4.72

14
Profile photo of Dylan Bundy

Dylan Bundy

2012-2019

4.67

15
Profile photo of Ernie Wingard

Ernie Wingard

1924-1927

4.64

16
Profile photo of Jeff Ballard

Jeff Ballard

1987-1991

4.63

17
Profile photo of Milt Gaston

Milt Gaston

1925-1927

4.60

18
Profile photo of Chris Tillman

Chris Tillman

2009-2018

4.57

19
Profile photo of George Blaeholder

George Blaeholder

1925-1935

4.55

20
Profile photo of Bump Hadley

Bump Hadley

1932-1934

4.53

21
Profile photo of Ray Kolp

Ray Kolp

1921-1924

4.48

22
Profile photo of Elden Auker

Elden Auker

1940-1942

4.46

23
Profile photo of Sam Gray

Sam Gray

1928-1933

4.37

24
Profile photo of Duane Pillette

Duane Pillette

1950-1955

4.37

25
Profile photo of Elam Vangilder

Elam Vangilder

1919-1927

4.30

26
Profile photo of Ivy Andrews

Ivy Andrews

1934-1936

4.29

27
Profile photo of Kevin Gausman

Kevin Gausman

2013-2018

4.22

28
Profile photo of Bob Milacki

Bob Milacki

1988-1992

4.19

29
Profile photo of Dennis Martinez

Dennis Martinez

1976-1986

4.16

30
Profile photo of Dave Danforth

Dave Danforth

1922-1925

4.14

31
Profile photo of Jack Kramer

Jack Kramer

1939-1947

4.13

32
Profile photo of Jeremy Guthrie

Jeremy Guthrie

2007-2011

4.12

33
Profile photo of Lefty Stewart

Lefty Stewart

1927-1932

4.11

34
Profile photo of General Crowder

General Crowder

1927-1930

4.04

35
Profile photo of Dixie Davis

Dixie Davis

1920-1926

4.04

36
Profile photo of Scott McGregor

Scott McGregor

1976-1988

3.99

37
Profile photo of Ray Moore

Ray Moore

1955-1957

3.93

38
Profile photo of Jack Fisher

Jack Fisher

1959-1962

3.92

39
Profile photo of Ben McDonald

Ben McDonald

1989-1995

3.89

40
Profile photo of Mike Flanagan

Mike Flanagan

1975-1992

3.89

41
Profile photo of Mark Williamson

Mark Williamson

1987-1994

3.86

42
Profile photo of Chuck Estrada

Chuck Estrada

1960-1964

3.86

43
Profile photo of Erik Bedard

Erik Bedard

2002-2007

3.83

44
Profile photo of Miguel Gonzalez

Miguel Gonzalez

2012-2015

3.82

45
Profile photo of Ross Grimsley

Ross Grimsley

1974-1982

3.78

46
Profile photo of Mike Boddicker

Mike Boddicker

1980-1988

3.73

47
Profile photo of Wei-Yin Chen

Wei-Yin Chen

2012-2015

3.72

48
Profile photo of Bob Muncrief

Bob Muncrief

1937-1947

3.66

49
Profile photo of Ned Garver

Ned Garver

1948-1952

3.64

50
Profile photo of Storm Davis

Storm Davis

1982-1992

3.63

51
Profile photo of Hal Brown

Hal Brown

1955-1962

3.61

52
Profile photo of Sam Zoldak

Sam Zoldak

1944-1948

3.59

53
Profile photo of Roy Mitchell

Roy Mitchell

1910-1914

3.56

54
Profile photo of Mike Mussina

Mike Mussina

1991-2000

3.53

55
Profile photo of Al Hollingsworth

Al Hollingsworth

1942-1946

3.51

56
Profile photo of Sammy Stewart

Sammy Stewart

1978-1985

3.47

57
Profile photo of Johnny Niggeling

Johnny Niggeling

1940-1943

3.46

58
Profile photo of Tippy Martinez

Tippy Martinez

1976-1986

3.46

59
Profile photo of Denny Galehouse

Denny Galehouse

1941-1947

3.44

60
Profile photo of Connie Johnson

Connie Johnson

1956-1958

3.42

61
Profile photo of Doyle Alexander

Doyle Alexander

1972-1976

3.41

62
Profile photo of Wally Bunker

Wally Bunker

1963-1968

3.40

63
Profile photo of Milt Pappas

Milt Pappas

1957-1965

3.24

64
Profile photo of Zack Britton

Zack Britton

2011-2018

3.22

65
Profile photo of George Baumgardner

George Baumgardner

1912-1916

3.22

66
Profile photo of Urban Shocker

Urban Shocker

1918-1924

3.19

67
Profile photo of Dave McNally

Dave McNally

1962-1974

3.18

68
Profile photo of Mike Cuellar

Mike Cuellar

1969-1976

3.18

69
Profile photo of Dave Davenport

Dave Davenport

1916-1919

3.16

70
Profile photo of Ernie Koob

Ernie Koob

1915-1919

3.13

71
Profile photo of Steve Barber

Steve Barber

1960-1967

3.12

72
Profile photo of Robin Roberts

Robin Roberts

1962-1965

3.09

73
Profile photo of Bill Bailey

Bill Bailey

1907-1912

3.07

74
Profile photo of Tom Phoebus

Tom Phoebus

1966-1970

3.06

75
Profile photo of Nels Potter

Nels Potter

1943-1948

3.05

76
Profile photo of Earl Hamilton

Earl Hamilton

1911-1917

3.00

77
Profile photo of Allan Sothoron

Allan Sothoron

1914-1921

2.98

78
Profile photo of Jim Hardin

Jim Hardin

1967-1971

2.95

79
Profile photo of Willie Sudhoff

Willie Sudhoff

1902-1905

2.92

80
Profile photo of Dick Hall

Dick Hall

1961-1971

2.89

81
Profile photo of Joe Lake

Joe Lake

1910-1912

2.88

82
Profile photo of Billy O'Dell

Billy O'Dell

1954-1959

2.86

83
Profile photo of Jim Palmer

Jim Palmer

1965-1984

2.86

84
Profile photo of Pat Dobson

Pat Dobson

1971-1972

2.78

85
Profile photo of Eddie Watt

Eddie Watt

1966-1973

2.74

86
Profile photo of Carl Weilman

Carl Weilman

1912-1920

2.67

87
Profile photo of Jack Powell

Jack Powell

1902-1912

2.63

88
Profile photo of Barney Pelty

Barney Pelty

1903-1912

2.62

89
Profile photo of Fred Glade

Fred Glade

1904-1907

2.52

90
Profile photo of Hoyt Wilhelm

Hoyt Wilhelm

1958-1962

2.42

91
Profile photo of Stu Miller

Stu Miller

1963-1967

2.37

92
Profile photo of Rube Waddell

Rube Waddell

1908-1910

2.19

93
Profile photo of Harry Howell

Harry Howell

1904-1910

2.06