Pitching Top 10 Lists and League Leaders
Top Career and Single-Season Marks in Franchise History

(Through 2016 season)

Titles and Awards    Earned Run Average    Wins    Won-Loss Pct    Hits Per 9IP    Walks Per 9IP   
Strikeouts Per 9IP    Games Pitched    Saves    Innings Pitched    Strikeouts    Games Started   
Complete Games    Shutouts    Home Runs    Walks    Hits Allowed    Losses    Earned Runs   
Wild Pitches    Hit Batsmen    Games Finished

Joe Niekro Mike Scott Dallas Keuchel
144 wins as an Astro 1986 NL Cy Young Award 2015 AL Cy Young Award

NL Cy Young Award Winners
1986 - Mike Scott
2004 - Roger Clemens

AL Cy Young Award Winners
2015 - Dallas Keuchel

Led NL In Wins
1979 - Joe Niekro, 21*
1989 - Mike Scott, 20
1999 - Mike Hampton, 22
2004 - Roy Oswalt, 20
* - tied for lead.

Led AL In Wins
2015 - Dallas Keuchel, 20

Led NL In Earned Run Average
1979 - J.R. Richard, 2.71
1981 - Nolan Ryan, 1.69
1986 - Mike Scott, 2.22
1987 - Nolan Ryan, 2.76
1990 - Danny Darwin, 2.21
2005 - Roger Clemens, 1.87
2006 - Roy Oswalt, 2.98

Led NL In Strikeouts
1978 - J.R. Richard, 303
1979 - J.R. Richard, 313
1986 - Mike Scott, 306
1987 - Nolan Ryan, 270
1988 - Nolan Ryan, 228

Led NL In Saves
1964 - Hal Woodeshick, 23
1969 - Fred Gladding, 29
2008 - Jose Valverde, 44



50 decisions or 500 innings pitched required for career rate statistics.
Single-Season Leaders Career Leaders

ERA
RankPlayer   ERA    Year
1.Nolan Ryan1.69 1981
2.Doug Jones1.85 1992
3.Roger Clemens1.87 2005
4.J.R. Richard1.90 1980
5.Dave Smith1.93 1980
6.Hal Woodeshick1.97 1963
7.Xavier Hernandez2.11 1992
8.Chris Devenski 2.16 2016
9.Bob Knepper2.18 1981
10.Danny Darwin 2.21 1990

ERA
RankPlayer   ERA    IP
1.Roger Clemens 2.40 539.0
2.Joe Sambito 2.42 536.0
3.Dave Smith 2.53 762.0
 Billy Wagner 2.53 504.3
5.Mike Cuellar 2.74 700.3
6.Nolan Ryan 3.13 1854.7
7.J.R. Richard 3.15 1606.0
 Don Wilson 3.15 1748.3
9.Ken Forsch 3.18 1493.7
10.Danny Darwin 3.21 769.0

Wins
RankPlayer   W    Year
1.Mike Hampton22 1999
2.Jose Lima 211999
 Joe Niekro 211979
4.Larry Dierker 201969
 Dallas Keuchel 20 2015
 Joe Niekro 20 1980
 Roy Oswalt 20 2004
 Roy Oswalt 202005
 J.R. Richard 20 1976
 Mike Scott 20 1989

Wins
RankPlayer   W   IP
1.Joe Niekro 144 2270.0
2.Roy Oswalt 143 1932.3
3.Larry Dierker 137 2294.3
4.Mike Scott 110 1704.0
5.J.R. Richard 107 1606.0
6.Nolan Ryan 106 1854.7
7.Don Wilson 104 1748.3
8.Shane Reynolds 103 1622.3
9.Bob Knepper 93 1738.0
10.Wandy Rodriguez 80 1306.2

Won-Loss Pct
RankPlayer   wlp   Year
1.Randy Johnson .909 1998
2.Xavier Hernandez .900 1992
3.Mike Hampton .846 1999
 Charley Kerfeld .846 1986
5.Juan Agosto .833 1988
6.Roy Oswalt .824 2001
7.Roger Clemens .818 2004
 Mark Portugal .818 1993
9.Doug Henry .800 1998
 Jim Ray .800 1969

Won-Loss Pct
RankPlayer   wlp   IP
1.Roger Clemens .679 539.0
2.Roy Oswalt .636 1932.3
3.Mark Portugal .634 782.3
4.Collin McHugh .623 543.0
5.Jim Ray .609 565.3
6.Scott Elarton .604 483.3
7.Mike Hampton .603 1138.0
8.J.R. Richard .601 1606.0
9.Wade Miller .598 768.0
10.Andy Pettitte .587 519.6

Hits Allowed/9IP
RankPlayer   H/9IP   Year
1.J.R. Richard 5.15 1980
2.Hal Woodeshick 5.92 1963
3.Mike Scott 5.95 1986
4.Nolan Ryan 5.98 1981
5.Nolan Ryan 6.02 1986
6.Nolan Ryan 6.14 1983
7.J.R. Richard 6.28 1978
8.Roger Clemens 6.43 2005
9.Nolan Ryan 6.55 1987
 Don Wilson 6.55 1971

Hits Allowed/9IP
Rank Player   H/9IP   IP
1.Billy Wagner 5.94 504.3
2.Roger Clemens 6.83 539.0
3.J.R. Richard 6.88 1606.0
4.Nolan Ryan 6.99 1854.7
5.Joe Sambito 7.40 536.0
6.Pete Harnisch 7.61 736.0
7.Don Wilson 7.61 1748.3
8.Mike Scott 7.63 1704.0
9.Dave Smith 7.63 762.0
10.Jim Ray 7.83 565.3

Bases on Balls/9IP
Rank Player   BB/9IP   Year
1.Hal Brown 0.51 1963
2.Jose Lima 1.23 1998
3.Doug Jones 1.37 1992
4.Shane Reynolds 1.44 1999
5.Vern Ruhle 1.45 1982
6.Bob Bruce 1.47 1964
7.Bob Bruce 1.49 1965
8.Turk Farrell 1.51 1965
9.Shane Reynolds 1.52 1994
10.Roy Oswalt 1.55 2006

Bases on Balls/9IP
RankPlayer    BB/9IP   IP
1.Turk Farrell 1.88 1015.0
2.Ken Johnson 1.97 690.7
3.Jose Lima 1.97 804.0
4.Shane Reynolds 1.99 1622.3
5.Vern Ruhle 1.99 749.7
6.Greg Swindell 2.03 514.7
7.Roy Oswalt 2.08 1932.3
8.Don Nottebart 2.32 508.0
9.Mike Cuellar 2.33 700.3
10.Danny Darwin 2.35 769.0

Strikeouts/9IP
RankPlayer   SO/9IP   Year
1.Octavio Dotel 12.43 2001
2.Nolan Ryan 11.48 1987
3.Octavio Dotel 10.22 2000
4.Mike Scott 10.00 1986
5.J.R. Richard 9.90 1978
6.Nolan Ryan 9.81 1986
7.Nolan Ryan 9.65 1984
8.J.R. Richard 9.64 1979
9.Tom Griffin 9.56 1969
10.J.R. Richard 9.42 1980

Strikeouts/9IP
Rank Player   SO/9IP   IP
1.Billy Wagner 12.38 504.3
2.Nolan Ryan 9.05 1854.7
3.Roger Clemens 8.43 539.0
4.Bud Norris 8.39 689.2
5.Collin McHugh 8.37 543.0
6.J.R. Richard 8.37 1606.0
7.Wade Miller 7.72 768.0
8.Wandy Rodriguez 7.52 1306.2
9.Roy Oswalt 7.42 1932.3
10.Andy Pettitte 7.41 519.7

Games Pitched
Rank Player   GP   Year
1.Octavio Dotel 83 2002
2.Juan Agosto 82 1990
3.Joe Boever 81 1992
 Chad Qualls 81 2006
5.Doug Jones 80 1992
 Brad Lidge 80 2004
7.Chad Qualls 79 2007
 Brandon Lyon 79 2010
9.4 tied with 78
 

Games Pitched
RankPlayer   GP   IP
1.Dave Smith 563 762.0
2.Billy Wagner 464 504.3
3.Ken Forsch 421 1493.7
4.Joe Niekro 397 2270.0
5.Chad Qualls 380 384.2
6.Brad Lidge 378 401.0
7.Joe Sambito 353 536.0
8.Larry Dierker 345 2294.3
9.Roy Oswalt 303 1932.3
10.Octavio Dotel 302 449.0

Saves
RankPlayer   SV    Year
1.Jose Valverde 44 2008
2.Billy Wagner 44 2003
3.Brad Lidge 42 2005
4.Billy Wagner 39 1999
 Billy Wagner 39 2001
6.Doug Jones 36 1992
7.Billy Wagner 35 2002
8.Dave Smith 33 1986
9.Brad Lidge 32 2006
10.Luke Gregerson 31 2015

Saves
RankPlayer   SV   IP
1.Billy Wagner 225504.3
 Dave Smith 199 762.0
3.Brad Lidge 123 401.0
4.Fred Gladding 76 264.0
5.Joe Sambito 72 536.0
6.Jose Valverde 69 126.0
7.Doug Jones 62 197.0
8.Ken Forsch 50 1493.7
9.Luke Gregerson 46 118.2
10.Frank DiPino 43 291.3

Innings Pitched
RankPlayer   IP   Year
1.Larry Dierker 305.3 1969
2.J.R. Richard 292.3 1979
3.J.R. Richard 291.0 1976
4.Jerry Reuss 279.3 1973
5.J.R. Richard 275.3 1978
 Mike Scott 275.3 1986
7.Joe Niekro 270.0 1982
8.Larry Dierker 269.7 1970
9.Don Wilson 268.0 1971
10.J.R. Richard 267.0 1977

Innings Pitched
RankPlayer   IP    IP
1.Larry Dierker 2294.3 2294.3
2.Joe Niekro 2270.0 2270.0
3.Roy Oswalt 1932.3 1932.3
4.Nolan Ryan 1854.7 1854.7
5.Don Wilson 1748.3 1748.3
6.Bob Knepper 1738.0 1738.0
7.Mike Scott 1704.0 1704.0
8.Shane Reynolds 1622.3 1622.3
9.J.R. Richard 1606.0 1606.0
10.Ken Forsch 1493.7 1493.7

Strikeouts
RankPlayer   SO    Year
1.J.R. Richard 313 1979
2.Mike Scott 306 1986
3.J.R. Richard 303 1978
4.Nolan Ryan 270 1987
5.Nolan Ryan 245 1982
6.Don Wilson 235 1969
7.Mike Scott 233 1987
8.Larry Dierker 232 1969
9.Nolan Ryan 228 1988
10.Darryl Kile 219 1996

Strikeouts
Rank Player   SO   IP
1.Nolan Ryan 1866 1854.7
2.Roy Oswalt 1593 1932.3
3.J.R. Richard 1493 1606.0
4.Larry Dierker 1487 2294.3
5.Mike Scott 1318 1704.0
6.Shane Reynolds 1309 1622.3
7.Don Wilson 1283 1748.3
8.Joe Niekro 1178 2270.0
9.Wandy Rodriguez 1093 1306.2
10.Darryl Kile 973 1200.0

Games Started
Rank Player   GS   Year
1.Jerry Reuss 40 1973
2.J.R. Richard 39 1976
3.Bob Knepper 38 1986
 Joe Niekro 38 1979
 Joe Niekro 38 1983
 Joe Niekro 38 1984
 J.R. Richard 38 1979
8.Larry Dierker 37 1969
 Bob Knepper 37 1985
 Denny Lemaster 37 1969
 Mike Scott 37 1986

Games Started
RankPlayer   GS   IP
1.Larry Dierker 320 2294.3
2.Joe Niekro 301 2270.0
3.Roy Oswalt 291 1932.3
4.Nolan Ryan 282 1854.7
5.Bob Knepper 267 1738.0
6.Mike Scott 259 1704.0
7.Shane Reynolds 248 1622.3
8.Don Wilson 245 1748.3
9.J.R. Richard 221 1606.0
10.Wandy Rodriguez 218 1306.2

Complete Games
RankPlayer   CG   Year
1.Larry Dierker 20 1969
2.J.R. Richard 19 1979
3.Don Wilson 18 1971
4.Larry Dierker 17 1970
5.Mike Cuellar 16 1967
 Joe Niekro 16 1982
 J.R. Richard 16 1978
8.Larry Dierker 14 1975
 J.R. Richard 14 1976
10.3 Tied With13

Complete Games
RankPlayer   CG   IP
1.Larry Dierker 106 2294.3
2.Joe Niekro 82 2270.0
3.Don Wilson 78 1748.3
4.J.R. Richard 76 1606.0
5.Mike Scott 42 1704.0
6.Turk Farrell 41 1015.0
 Bob Knepper 41 1738.0
8.Mike Cuellar 38 700.3
 Nolan Ryan 38 1854.7
10.Ken Forsch 36 1493.7

Shutouts
Rank Player   SHO   Year
1.Dave Roberts 6 1973
2.Larry Dierker 5 1972
 Bob Knepper 5 1981
 Bob Knepper 5 1986
 Joe Niekro 5 1979
 Joe Niekro 5 1982
 Mike Scott 5 1986
 Mike Scott 5 1988
9.9 Tied With4

Shutouts
RankPlayer   SHO   IP
1.Larry Dierker 25 2294.3
2.Joe Niekro 21 2270.0
 Mike Scott 21 1704.0
4.Don Wilson 20 1748.3
5.J.R. Richard 19 1606.0
6.Bob Knepper 18 1738.0
7.Nolan Ryan 13 1854.7
8.Dave Roberts 11 843.7
9.Ken Forsch 9 1493.7
 Tom Griffin 9 863.3

Home Runs Allowed
RankPlayer   HRA    Year
1.Jose Lima 48 2000
2.Brandon Backe 36 2008
3.Woody Williams 35 2007
4.Jose Lima 34 1998
5.Larry Dierker 31 1970
 Wade Miller 31 2001
 Brett Myers 31 2011
8.Jose Lima 30 1999
9.Scott Elarton 29 2000
10.Andy Pettitte 27 2006
 Mike Scott 27 1990

Home Runs Allowed
RankPlayer   HRA   IP
1.Larry Dierker 177 2294.3
2.Shane Reynolds 171 1622.3
3.Roy Oswalt 167 1932.3
4.Bob Knepper 148 1738.0
5.Wandy Rodriguez 147 1306.2
6.Mike Scott 144 1704.0
7.Joe Niekro 139 2270.0
8.Jose Lima 133 804.0
9.Don Wilson 119 1748.3
10.Jim Deshaies 113 1102.0

Walks Allowed
RankPlayer   BBA   Year
1.J.R. Richard 151 1976
2.J.R. Richard 141 1978
3.J.R. Richard 138 1975
4.Jerry Reuss 117 1973
5.Nolan Ryan 109 1982
6.Joe Niekro 107 1979
7.J.R. Richard 104 1977
8.Mike Hampton 101 1999
 Joe Niekro 101 1983
 Nolan Ryan 101 1983

Walks Allowed
RankPlayer   BBA   IP
1.Joe Niekro 818 2270.0
2.Nolan Ryan 796 1854.7
3.J.R. Richard 770 1606.0
4.Larry Dierker 695 2294.3
5.Don Wilson 640 1748.3
6.Darryl Kile 562 1200.0
7.Bob Knepper 521 1738.0
8.Mike Scott 505 1704.0
9.Wandy Rodriguez 454 1306.2
10.Roy Oswalt 446 1932.3

Hits Allowed
RankPlayer   HA   Year
1.Jerry Reuss 271 1973
2.Joe Niekro 268 1980
3.Dave Roberts 264 1973
4.Larry Dierker 263 1970
5.Shane Reynolds 257 1998
6.Jose Lima 256 1999
7.Bob Knepper 253 1985
8.Jose Lima 251 2000
9.Shane Reynolds 250 1999
10.Chris Holt 247 2000

Hits Allowed
RankPlayer   HA   IP
1.Larry Dierker 2090 2294.3
2.Joe Niekro 2052 2270.0
3.Roy Oswalt 1865 1932.3
4.Bob Knepper 1748 1738.0
5.Shane Reynolds 1738 1622.3
6.Don Wilson 1479 1748.3
7.Mike Scott 1444 1704.0
8.Nolan Ryan 1441 1854.7
9.Ken Forsch 1439 1493.7
10.Wandy Rodriguez 1295 1306.2

Losses
RankPlayer    L   Year
1.Dick Farrell 20 1962
2.Bob Bruce 18 1965
 Doug Drabek 18 1993
4.Lucas Harrell 17 2013
 Ken Johnson 17 1963
 Bob Knepper 17 1987
 Denny Lemaster 17 1969
8.8 Tied With16

Losses
RankPlayer   L   IP
1.Larry Dierker 117 2294.3
2.Joe Niekro 116 2270.0
3.Bob Knepper 100 1738.0
4.Nolan Ryan 94 1854.7
5.Don Wilson 92 1748.3
6.Shane Reynolds 86 1622.3
7.Wandy Rodriguez 84 1306.2
8.Roy Oswalt 82 1932.3
9.Ken Forsch 81 1493.7
 Mike Scott 81 1704.0

Earned Runs Allowed
RankPlayer   ER    Year
1.Jose Lima 145 2000
2.Chris Holt 123 2000
3.Larry Dierker 116 1970
 Jerry Reuss 116 1973
5.Brandon Backe 112 2008
6.Woody Williams 110 2007
7.Brett Myers 107 2011
8.Bob Knepper 104 1987
9.Larry Dierker 103 1975
 Scott Elarton 103 2000
 Dave Giusti 103 1967

Earned Runs Allowed
RankPlayer    ER   IP
1.Larry Dierker 837 2294.3
2.Joe Niekro 811 2270.0
3.Shane Reynolds 712 1622.3
4.Bob Knepper 706 1738.0
5.Roy Oswalt 696 1932.3
6.Nolan Ryan 645 1854.7
7.Mike Scott 625 1704.0
8.Don Wilson 611 1748.3
9.Wandy Rodriguez 587 1306.2
10.J.R. Richard 562 1606.0

Wild Pitches
RankPlayer   WP   Year
1.Joe Niekro 21 1985
2.Larry Dierker 20 1968
 J.R. Richard 20 1975
4.Joe Niekro 19 1979
 Joe Niekro 19 1982
 J.R. Richard 19 1979
7.Nolan Ryan 18 1982
8.Mike Fiers 17 2016
9.4 Tied With 16  

Wild Pitches
RankPlayer   WP   IP
1.Joe Niekro 128 2270.0
2.Nolan Ryan 104 1854.7
3.Larry Dierker 102 2294.3
4.J.R. Richard 92 1606.0
5.Don Wilson 77 1748.3
6.Darryl Kile 58 1200.0
7.Dave Giusti 56 913.3
8.Tom Griffin 55 863.3
9.Shane Reynolds 38 1622.3
10.Ken Forsch 36 1493.7
 Bob Knepper 36 1738.0

Hit Batsmen
RankPlayer   HBP   Year
1.Jack Billingham 16 1971
 Darryl Kile 16 1996
3.Darryl Kile 15 1993
4.Wade Blasingame 13 1971
5.Bob Bruce 12 1962
 Darryl Kile 12 1995
 Woody Williams 12 2007
8.Scott Feldman 11 2014
 Jordan Lyles 11 2013
 Roy Oswalt 11 2004

Hit Batsmen
RankPlayer   HBP   IP
1.Darryl Kile 72 1200.0
2.Roy Oswalt 68 1932.3
3.Larry Dierker 48 2294.3
4.Don Wilson 47 1748.3
5.Wandy Rodriguez 45 1306.2
6.Nolan Ryan 44 1854.7
7.Joe Niekro 41 2270.0
8.Bob Bruce 40 907.0
9.Shane Reynolds 33 1622.3
10.Jack Billingham 31 498.7

Games Finished
RankPlayer   GF   Year
1.Jose Valverde 71 2008
2.Doug Jones 70 1992
3.Billy Wagner 67 2003
4.Brad Lidge 65 2005
5.Billy Wagner 61 2002
6.Doug Jones 60 1993
7.Billy Wagner 58 2001
8.Billy Wagner 55 1999
9.Luke Gregerson 53 2015
10.Brad Lidge 52 2006

Games Finished
RankPlayer   GF   IP
1.Dave Smith 400 762.0
2.Billy Wagner 379 504.3
3.Joe Sambito 229 536.0
4.Brad Lidge 206 401.0
5.Ken Forsch 171 1493.7
6.Fred Gladding 163 264.0
7.Doug Jones 130 197.0
8.Frank DiPino 119 291.3
9.Frank LaCorte 117 281.7
10.Jose Valverde 116 126.0


Thanks to
Baseball Reference.com for much of the information contained on this page.