Houston Astros Pitching Leaders


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All stats leaders are based on seasons between 1998 – 2016.

To be eligible for single-season ratio stats a player needed to qualify for ERA title.

To be eligible for career ratio stats a player needed to have 500 innings pitched.

Single-Season WAR
Rank Year Player WAR
1 1969 Larry Dierker 8.6
2 1986 Mike Scott 8.4
3 2005 Roger Clemens 7.8
4 2015 Dallas Keuchel 7.2
5 1962 Turk Farrell 7.0
6 2002 Roy Oswalt 6.9
7 2005 Andy Pettitte 6.8
1982 Joe Niekro 6.8
9 2007 Roy Oswalt 6.7
10 1999 Mike Hampton 6.6
Career WAR
Rank Player WAR
1 Roy Oswalt 45.5
2 Larry Dierker 34.2
3 Don Wilson 27.7
4 Nolan Ryan 25.4
5 Mike Scott 24.8
6 Joe Niekro 23.0
7 J.R. Richard 21.5
8 Shane Reynolds 19.2
9 Ken Forsch 19.1
10 Roger Clemens 16.8

Single-Season Games
Rank Year Player G
1 2002 Octavio Dotel 83
2 1990 Juan Agosto 82
3 2006 Chad Qualls 81
1992 Joe Boever 81
5 2004 Brad Lidge 80
1992 Doug Jones 80
7 2010 Brandon Lyon 79
2007 Chad Qualls 79
9 2008 Brad Lidge 78
2003 Brad Lidge 78
2003 Billy Wagner 78
2002 Ricky Stone 78
Career Games
Rank Player G
1 Dave Smith 563
2 Billy Wagner 464
3 Ken Forsch 421
4 Joe Niekro 397
5 Chad Qualls 380
6 Brad Lidge 378
7 Joe Sambito 353
8 Larry Dierker 345
9 Roy Oswalt 303
10 Octavio Dotel 302

Single-Season Games Started
Rank Year Player GS
1 1973 Jerry Reuss 40
2 1976 J.R. Richard 39
3 1986 Bob Knepper 38
1984 Joe Niekro 38
1983 Joe Niekro 38
1979 Joe Niekro 38
1979 J.R. Richard 38
8 1986 Mike Scott 37
1985 Bob Knepper 37
1969 Larry Dierker 37
1969 Denny Lemaster 37
Career Games Started
Rank Player GS
1 Larry Dierker 320
2 Joe Niekro 301
3 Roy Oswalt 291
4 Nolan Ryan 282
5 Bob Knepper 267
6 Mike Scott 259
7 Shane Reynolds 248
8 Don Wilson 245
9 J.R. Richard 221
10 Wandy Rodriguez 218

Single-Season Wins
Rank Year Player W
1 1999 Mike Hampton 22
2 1999 Jose Lima 21
1979 Joe Niekro 21
4 2015 Dallas Keuchel 20
2005 Roy Oswalt 20
2004 Roy Oswalt 20
1989 Mike Scott 20
1980 Joe Niekro 20
1976 J.R. Richard 20
1969 Larry Dierker 20
Career Wins
Rank Player W
1 Joe Niekro 144
2 Roy Oswalt 143
3 Larry Dierker 137
4 Mike Scott 110
5 J.R. Richard 107
6 Nolan Ryan 106
7 Don Wilson 104
8 Shane Reynolds 103
9 Bob Knepper 93
10 Wandy Rodriguez 80

Single-Season Losses
Rank Year Player L
1 1962 Turk Farrell 20
2 1993 Doug Drabek 18
1965 Bob Bruce 18
4 2013 Lucas Harrell 17
1987 Bob Knepper 17
1969 Denny Lemaster 17
1963 Ken Johnson 17
8 2000 Chris Holt 16
2000 Jose Lima 16
1987 Nolan Ryan 16
1975 Larry Dierker 16
1973 Don Wilson 16
1971 Jack Billingham 16
1968 Don Wilson 16
1964 Ken Johnson 16
1962 Ken Johnson 16
1962 Hal Woodeshick 16
Career Losses
Rank Player L
1 Larry Dierker 117
2 Joe Niekro 116
3 Bob Knepper 100
4 Nolan Ryan 94
5 Don Wilson 92
6 Shane Reynolds 86
7 Wandy Rodriguez 84
8 Roy Oswalt 82
9 Mike Scott 81
Ken Forsch 81

Single-Season ERA
Rank Year Player ERA
1 1981 Nolan Ryan 1.69
2 2005 Roger Clemens 1.87
3 1981 Bob Knepper 2.18
4 1990 Danny Darwin 2.21
5 1986 Mike Scott 2.22
1966 Mike Cuellar 2.22
7 1969 Larry Dierker 2.33
8 2005 Andy Pettitte 2.39
9 1971 Don Wilson 2.45
10 1982 Joe Niekro 2.47
Career ERA
Rank Player ERA
1 Roger Clemens 2.40
2 Joe Sambito 2.42
3 Dave Smith 2.53
Billy Wagner 2.53
5 Mike Cuellar 2.74
6 Nolan Ryan 3.13
7 Don Wilson 3.15
J.R. Richard 3.15
9 Ken Forsch 3.18
10 Danny Darwin 3.21

Single-Season Innings Pitched
Rank Year Player IP
1 1969 Larry Dierker 305.1
2 1979 J.R. Richard 292.1
3 1976 J.R. Richard 291
4 1973 Jerry Reuss 279.1
5 1986 Mike Scott 275.1
1978 J.R. Richard 275.1
7 1982 Joe Niekro 270
8 1970 Larry Dierker 269.2
9 1970 Don Wilson 268
10 1977 J.R. Richard 267
Career Innings Pitched
Rank Player IP
1 Larry Dierker 2,294.1
2 Joe Niekro 2,270
3 Roy Oswalt 1,932.1
4 Nolan Ryan 1,854.2
5 Don Wilson 1,748.1
6 Bob Knepper 1,738
7 Mike Scott 1,704
8 Shane Reynolds 1,622.1
9 J.R. Richard 1,606
10 Ken Forsch 1,493.2

Single-Season Complete Games
Rank Year Player CG
1 1969 Larry Dierker 20
2 1979 J.R. Richard 19
3 1971 Don Wilson 18
4 1970 Larry Dierker 17
5 1982 Joe Niekro 16
1978 J.R. Richard 16
1967 Mike Cuellar 16
8 1976 J.R. Richard 14
1975 Larry Dierker 14
10 1977 J.R. Richard 13
1972 Don Wilson 13
1969 Don Wilson 13
Career Complete Games
Rank Player CG
1 Larry Dierker 106
2 Joe Niekro 82
3 Don Wilson 78
4 J.R. Richard 76
5 Mike Scott 42
6 Bob Knepper 41
Turk Farrell 41
8 Nolan Ryan 38
Mike Cuellar 38
10 Ken Forsch 36

Single-Season Shutouts
Rank Year Player SHO
1 1973 Dave Roberts 6
2 1988 Mike Scott 5
1986 Bob Knepper 5
1986 Mike Scott 5
1982 Joe Niekro 5
1981 Bob Knepper 5
1979 Joe Niekro 5
1972 Larry Dierker 5
9 1998 Randy Johnson 4
1997 Darryl Kile 4
1993 Pete Harnisch 4
1980 J.R. Richard 4
1979 J.R. Richard 4
1976 Joaquin Andujar 4
1976 Larry Dierker 4
1974 Don Wilson 4
1969 Larry Dierker 4
1966 Dave Giusti 4
1964 Bob Bruce 4
Career Shutouts
Rank Player SHO
1 Larry Dierker 25
2 Mike Scott 21
Joe Niekro 21
4 Don Wilson 20
5 J.R. Richard 19
6 Bob Knepper 18
7 Nolan Ryan 13
8 Dave Roberts 11
9 Ken Forsch 9
Tom Griffin 9

Single-Season Strikeouts
Rank Year Player SO
1 1979 J.R. Richard 313
2 1986 Mike Scott 306
3 1978 J.R. Richard 303
4 1987 Nolan Ryan 270
5 1982 Nolan Ryan 245
6 1969 Don Wilson 235
7 1987 Mike Scott 233
8 1969 Larry Dierker 232
9 1988 Nolan Ryan 228
10 1996 Darryl Kile 219
Career Strikeouts
Rank Player SO
1 Nolan Ryan 1,866
2 Roy Oswalt 1,593
3 J.R. Richard 1,493
4 Larry Dierker 1,487
5 Mike Scott 1,318
6 Shane Reynolds 1,309
7 Don Wilson 1,283
8 Joe Niekro 1,178
9 Wandy Rodriguez 1,093
10 Darryl Kile 973

Single-Season Saves
Rank Year Player SV
1 2008 Jose Valverde 44
2003 Billy Wagner 44
3 2005 Brad Lidge 42
4 2001 Billy Wagner 39
1999 Billy Wagner 39
6 1992 Doug Jones 36
7 2002 Billy Wagner 35
8 1986 Dave Smith 33
9 2006 Brad Lidge 32
10 2015 Luke Gregerson 31
Career Saves
Rank Player SV
1 Billy Wagner 225
2 Dave Smith 199
3 Brad Lidge 123
4 Fred Gladding 76
5 Joe Sambito 72
6 Jose Valverde 69
7 Doug Jones 62
8 Ken Forsch 50
9 Luke Gregerson 46
10 Frank DiPino 43

Single-Season Walks + Hits / IP
Rank Year Player WHIP
1 1986 Mike Scott 0.923
2 1969 Turk Farrell 0.969
3 1988 Mike Scott 0.983
4 2005 Roger Clemens 1.008
5 1981 Don Sutton 1.015
6 2015 Dallas Keuchel 1.017
7 1971 Don Wilson 1.022
1969 Larry Dierker 1.022
9 1990 Danny Darwin 1.027
10 2005 Andy Pettitte 1.030
Career Walks + Hits / IP
Rank Player WHIP
1 Billy Wagner 1.039
2 Roger Clemens 1.074
3 Joe Sambito 1.112
4 Turk Farrell 1.142
5 Mike Scott 1.144
6 Mike Cuellar 1.162
7 Danny Darwin 1.164
8 Ken Johnson 1.174
9 Dave Smith 1.189
10 Roy Oswalt 1.196