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Astros All-Time Leaders
Strikeouts per 9IP

1
Profile photo of Billy Wagner

Billy Wagner

1995-2003

12.38

2
Profile photo of Lance McCullers

Lance McCullers

2015-2021

10.06

3
Profile photo of Brad Peacock

Brad Peacock

2013-2020

9.67

4
Profile photo of Nolan Ryan

Nolan Ryan

1980-1988

9.06

5
Profile photo of Collin McHugh

Collin McHugh

2014-2019

8.88

6
Profile photo of Roger Clemens

Roger Clemens

2004-2006

8.43

7
Profile photo of Bud Norris

Bud Norris

2009-2013

8.39

8
Profile photo of J. R. Richard

J. R. Richard

1971-1980

8.37

9
Profile photo of Wade Miller

Wade Miller

1999-2004

7.72

10
Profile photo of Wandy Rodriguez

Wandy Rodriguez

2005-2012

7.53

11
Profile photo of Roy Oswalt

Roy Oswalt

2001-2010

7.42

12
Profile photo of Andy Pettitte

Andy Pettitte

2004-2006

7.41

13
Profile photo of Darryl Kile

Darryl Kile

1991-1997

7.30

14
Profile photo of Shane Reynolds

Shane Reynolds

1992-2002

7.26

15
Profile photo of Mike Cuellar

Mike Cuellar

1965-1968

7.16

16
Profile photo of Dallas Keuchel

Dallas Keuchel

2012-2018

7.15

17
Profile photo of Pete Harnisch

Pete Harnisch

1991-1994

7.13

18
Profile photo of Joe Sambito

Joe Sambito

1976-1984

7.07

19
Profile photo of Mike Scott

Mike Scott

1983-1991

6.96

20
Profile photo of Tom Griffin

Tom Griffin

1969-1976

6.80

21
Profile photo of Don Wilson

Don Wilson

1966-1974

6.60

22
Profile photo of Doug Drabek

Doug Drabek

1993-1996

6.58

23
Profile photo of Jose Lima

Jose Lima

1997-2001

6.54

24
Profile photo of Danny Darwin

Danny Darwin

1986-1996

6.36

25
Profile photo of Dave Smith

Dave Smith

1980-1990

6.25

26
Profile photo of Dave Giusti

Dave Giusti

1962-1968

6.16

27
Profile photo of Mark Portugal

Mark Portugal

1989-1993

6.15

28
Profile photo of Dick 'Turk' Farrell

6.15

29
Profile photo of Ken Johnson

Ken Johnson

1962-1965

6.14

30
Profile photo of Mike Hampton

Mike Hampton

1994-2009

6.07

31
Profile photo of Jim Ray

Jim Ray

1965-1973

6.07

32
Profile photo of Bob Bruce

Bob Bruce

1962-1966

6.04

33
Profile photo of Jim Deshaies

Jim Deshaies

1985-1991

5.97

34
Profile photo of Denny Lemaster

Denny Lemaster

1968-1971

5.86

35
Profile photo of Larry Dierker

Larry Dierker

1964-1976

5.83

36
Profile photo of Greg Swindell

Greg Swindell

1993-1996

5.40

37
Profile photo of Chris Holt

Chris Holt

1996-2000

5.32

38
Profile photo of Don Nottebart

Don Nottebart

1963-1965

5.05

39
Profile photo of Ken Forsch

Ken Forsch

1970-1980

4.91

40
Profile photo of Bob Knepper

Bob Knepper

1981-1989

4.90

41
Profile photo of Joe Niekro

Joe Niekro

1975-1985

4.67

42
Profile photo of Dave Roberts

Dave Roberts

1972-1975

4.30

43
Profile photo of Joaquin Andujar

Joaquin Andujar

1976-1988

4.06

44
Profile photo of Vern Ruhle

Vern Ruhle

1978-1984

3.76