Single-Season Top 10 Leaders

WAR for Pitchers †
1. Larry Dierker • 1969 8.7
2. Mike Scott • 1986 8.4
3. Roger Clemens • 2005 7.8
4. Justin Verlander • 2019 7.4
5. Turk Farrell • 1962 7.0
Roy Oswalt • 2002 7.0
7. Joe Niekro • 1982 6.8
Andy Pettitte • 2005 6.8
9. Mike Hampton • 1999 6.7
10. Gerrit Cole • 2019 6.6
Roy Oswalt • 2007 6.6
Earned Run Average
1. Nolan Ryan • 1981 1.69
2. Justin Verlander • 2022 1.75
3. Roger Clemens • 2005 1.87
4. Bob Knepper • 1981 2.18
5. Danny Darwin • 1990 2.21
6. Mike Cuellar • 1966 2.22
Mike Scott • 1986 2.22
8. Larry Dierker • 1969 2.33
9. Andy Pettitte • 2005 2.39
10. Don Wilson • 1971 2.45
Wins
1. Mike Hampton • 1999 22
2. José Lima • 1999 21
Joe Niekro • 1979 21
Justin Verlander • 2019 21
5. Gerrit Cole • 2019 20
Larry Dierker • 1969 20
Dallas Keuchel • 2015 20
Joe Niekro • 1980 20
Roy Oswalt • 2004 20
Roy Oswalt • 2005 20
J.R. Richard • 1976 20
Mike Scott • 1989 20
Win-Loss %
1. Mike Hampton • 1999 .846
2. Charlie Morton • 2018 .833
3. Roy Oswalt • 2001 .824
4. Roger Clemens • 2004 .818
Mark Portugal • 1993 .818
Justin Verlander • 2022 .818
7. Gerrit Cole • 2019 .800
8. Wade Miller • 2002 .789
9. Justin Verlander • 2019 .778
10. Gerrit Cole • 2018 .750
Vern Ruhle • 1980 .750
Walks & Hits per IP
1. Justin Verlander • 2019 0.803
2. Justin Verlander • 2022 0.829
3. Gerrit Cole • 2019 0.895
4. Justin Verlander • 2018 0.902
5. Mike Scott • 1986 0.923
6. Turk Farrell • 1963 0.969
7. Mike Scott • 1988 0.983
8. Roger Clemens • 2005 1.008
9. Don Sutton • 1981 1.015
10. Dallas Keuchel • 2015 1.017
Hits per 9 IP
1. Justin Verlander • 2019 5.529
2. Mike Scott • 1986 5.949
3. Justin Verlander • 2022 5.966
4. Nolan Ryan • 1981 5.980
5. Nolan Ryan • 1986 6.017
6. Gerrit Cole • 2019 6.019
7. Ronel Blanco • 2024 6.131
8. Nolan Ryan • 1983 6.143
9. J.R. Richard • 1978 6.276
10. Gerrit Cole • 2018 6.424
Bases On Balls per 9 IP
1. Zack Greinke • 2020 1.209
2. José Lima • 1998 1.234
3. Shane Reynolds • 1999 1.437
4. Bob Bruce • 1964 1.468
5. Bob Bruce • 1965 1.489
6. Justin Verlander • 2022 1.491
7. Turk Farrell • 1965 1.512
8. Shane Reynolds • 1994 1.524
9. Roy Oswalt • 2006 1.550
10. Justin Verlander • 2018 1.556
Strikeouts per 9 IP
1. Gerrit Cole • 2019 13.818
2. Gerrit Cole • 2018 12.399
3. Justin Verlander • 2018 12.196
4. Justin Verlander • 2019 12.108
5. Nolan Ryan • 1987 11.480
6. Charlie Morton • 2018 10.832
7. Lance McCullers Jr. • 2021 10.257
8. Mike Scott • 1986 10.002
9. J.R. Richard • 1978 9.904
10. Nolan Ryan • 1986 9.809
Games Played
1. Octavio Dotel • 2002 83
2. Juan Agosto • 1990 82
3. Joe Boever • 1992 81
Chad Qualls • 2006 81
5. Doug Jones • 1992 80
Brad Lidge • 2004 80
7. Brandon Lyon • 2010 79
Chad Qualls • 2007 79
9. Bryan Abreu • 2024 78
Brad Lidge • 2003 78
Brad Lidge • 2006 78
Ricky Stone • 2002 78
Billy Wagner • 2003 78
Saves
1. José Valverde • 2008 44
Billy Wagner • 2003 44
3. Brad Lidge • 2005 42
4. Billy Wagner • 1999 39
Billy Wagner • 2001 39
6. Roberto Osuna • 2019 38
7. Doug Jones • 1992 36
8. Billy Wagner • 2002 35
9. Ken Giles • 2017 34
Josh Hader • 2024 34
Innings Pitched
1. Larry Dierker • 1969 305.1
2. J.R. Richard • 1979 292.1
3. J.R. Richard • 1976 291.0
4. Jerry Reuss • 1973 279.1
5. J.R. Richard • 1978 275.1
Mike Scott • 1986 275.1
7. Joe Niekro • 1982 270.0
8. Larry Dierker • 1970 269.2
9. Don Wilson • 1971 268.0
10. J.R. Richard • 1977 267.0
Strikeouts
1. Gerrit Cole • 2019 326
2. J.R. Richard • 1979 313
3. Mike Scott • 1986 306
4. J.R. Richard • 1978 303
5. Justin Verlander • 2019 300
6. Justin Verlander • 2018 290
7. Gerrit Cole • 2018 276
8. Nolan Ryan • 1987 270
9. Nolan Ryan • 1982 245
10. Don Wilson • 1969 235
Games Started
1. Jerry Reuss • 1973 40
2. J.R. Richard • 1976 39
3. Bob Knepper • 1986 38
Joe Niekro • 1979 38
Joe Niekro • 1983 38
Joe Niekro • 1984 38
J.R. Richard • 1979 38
8. Larry Dierker • 1969 37
Bob Knepper • 1985 37
Denny Lemaster • 1969 37
Mike Scott • 1986 37
Complete Games
1. Larry Dierker • 1969 20
2. J.R. Richard • 1979 19
3. Don Wilson • 1971 18
4. Larry Dierker • 1970 17
5. Mike Cuellar • 1967 16
Joe Niekro • 1982 16
J.R. Richard • 1978 16
8. Larry Dierker • 1975 14
J.R. Richard • 1976 14
10. J.R. Richard • 1977 13
Don Wilson • 1969 13
Don Wilson • 1972 13
Home Runs
1. José Lima • 2000 48
2. Brandon Backe • 2008 36
Justin Verlander • 2019 36
4. Woody Williams • 2007 35
5. José Lima • 1998 34
6. Mike Fiers • 2017 32
7. Larry Dierker • 1970 31
Wade Miller • 2001 31
Brett Myers • 2011 31
10. Zack Greinke • 2021 30
José Lima • 1999 30
Bases on Balls
1. J.R. Richard • 1976 151
2. J.R. Richard • 1978 141
3. J.R. Richard • 1975 138
4. Jerry Reuss • 1973 117
5. Nolan Ryan • 1982 109
6. Joe Niekro • 1979 107
7. J.R. Richard • 1977 104
8. Mike Hampton • 1999 101
Joe Niekro • 1983 101
Nolan Ryan • 1983 101
Hits
1. Jerry Reuss • 1973 271
2. Joe Niekro • 1980 268
3. Dave Roberts • 1973 264
4. Larry Dierker • 1970 263
5. Shane Reynolds • 1998 257
6. José Lima • 1999 256
7. Bob Knepper • 1985 253
8. José Lima • 2000 251
9. Shane Reynolds • 1999 250
10. Chris Holt • 2000 247
Strikeouts / Base On Balls
1. Justin Verlander • 2018 7.838
2. Zack Greinke • 2020 7.444
3. Justin Verlander • 2019 7.143
4. Gerrit Cole • 2019 6.792
5. Justin Verlander • 2022 6.379
6. Shane Reynolds • 1999 5.324
7. José Lima • 1998 5.281
8. Shane Reynolds • 1994 5.238
9. Framber Valdez • 2020 4.75
10. Shane Reynolds • 1995 4.73
Home Runs per 9 IP
1. Nolan Ryan • 1981 0.121
2. Dave Roberts • 1974 0.265
3. Bob Knepper • 1981 0.287
4. Joaquín Andújar • 1979 0.325
5. Don Sutton • 1981 0.340
6. Jack Billingham • 1971 0.355
J.R. Richard • 1975 0.355
8. Bob Bruce • 1964 0.356
9. Bob Bruce • 1963 0.370
10. Ken Forsch • 1971 0.382
Losses
1. Turk Farrell • 1962 20
2. Bob Bruce • 1965 18
Doug Drabek • 1993 18
4. Lucas Harrell • 2013 17
Ken Johnson • 1963 17
Bob Knepper • 1987 17
Denny Lemaster • 1969 17
8. Jack Billingham • 1971 16
Larry Dierker • 1975 16
Chris Holt • 2000 16
Ken Johnson • 1962 16
Ken Johnson • 1964 16
José Lima • 2000 16
Nolan Ryan • 1987 16
Don Wilson • 1968 16
Don Wilson • 1973 16
Hal Woodeshick • 1962 16
Earned Runs
1. José Lima • 2000 145
2. Chris Holt • 2000 123
3. Larry Dierker • 1970 116
Jerry Reuss • 1973 116
5. Brandon Backe • 2008 112
6. Woody Williams • 2007 110
7. Brett Myers • 2011 107
8. Bob Knepper • 1987 104
9. Larry Dierker • 1975 103
Scott Elarton • 2000 103
Dave Giusti • 1967 103
Wild Pitches
1. Joe Niekro • 1985 21
2. Larry Dierker • 1968 20
J.R. Richard • 1975 20
4. Joe Niekro • 1979 19
Joe Niekro • 1982 19
J.R. Richard • 1979 19
7. Nolan Ryan • 1982 18
8. Mike Fiers • 2016 17
9. Bo Belinsky • 1967 16
J.R. Richard • 1978 16
Nolan Ryan • 1981 16
Don Wilson • 1969 16
Hit By Pitch
1. Jack Billingham • 1971 16
Darryl Kile • 1996 16
Charlie Morton • 2018 16
4. Darryl Kile • 1993 15
5. Wade Blasingame • 1971 13
Mike Fiers • 2017 13
Charlie Morton • 2017 13
8. Bob Bruce • 1962 12
Darryl Kile • 1995 12
Woody Williams • 2007 12
Batters Faced
1. J.R. Richard • 1976 1218
2. Larry Dierker • 1969 1207
3. Jerry Reuss • 1973 1198
4. J.R. Richard • 1979 1175
5. J.R. Richard • 1978 1139
6. Larry Dierker • 1970 1132
7. Joe Niekro • 1983 1113
8. Joe Niekro • 1980 1096
9. Joe Niekro • 1979 1095
10. J.R. Richard • 1977 1092
Games Finished
1. José Valverde • 2008 71
2. Doug Jones • 1992 70
3. Billy Wagner • 2003 67
4. Brad Lidge • 2005 65
5. Josh Hader • 2024 62
6. Billy Wagner • 2002 61
7. Doug Jones • 1993 60
8. Billy Wagner • 2001 58
9. Roberto Osuna • 2019 56
Ryan Pressly • 2023 56
Adjusted ERA+
1. Roger Clemens • 2005 226
2. Justin Verlander • 2022 218
3. Nolan Ryan • 1981 195
4. Gerrit Cole • 2019 185
5. Justin Verlander • 2019 179
6. Andy Pettitte • 2005 177
7. Danny Darwin • 1990 169
8. Justin Verlander • 2018 164
9. Mike Scott • 1986 161
10. Dallas Keuchel • 2015 157
Fielding Independent Pitching
1. Mike Scott • 1986 2.16
2. J.R. Richard • 1979 2.21
3. Mike Cuellar • 1968 2.24
4. Mike Cuellar • 1966 2.27
5. Nolan Ryan • 1981 2.28
6. Bob Bruce • 1964 2.32
7. Don Wilson • 1968 2.33
8. Don Sutton • 1981 2.35
9. Turk Farrell • 1963 2.40
10. Larry Dierker • 1969 2.47
Nolan Ryan • 1987 2.47
Adj. Pitching Runs
1. Roger Clemens • 2005 54
2. Justin Verlander • 2019 52
3. Gerrit Cole • 2019 49
4. Andy Pettitte • 2005 45
Mike Scott • 1986 45
6. Mike Hampton • 1999 42
7. Justin Verlander • 2018 41
8. Darryl Kile • 1997 40
9. Larry Dierker • 1969 38
Dallas Keuchel • 2015 38
Roy Oswalt • 2006 38
Justin Verlander • 2022 38
Adj. Pitching Wins
1. Roger Clemens • 2005 5.9
2. Justin Verlander • 2019 5.4
3. Gerrit Cole • 2019 5.1
4. Mike Scott • 1986 5.0
5. Andy Pettitte • 2005 4.8
6. Larry Dierker • 1969 4.3
Mike Hampton • 1999 4.3
Justin Verlander • 2018 4.3
Justin Verlander • 2022 4.3
10. Dallas Keuchel • 2015 4.2
Darryl Kile • 1997 4.2
Base-Out Runs Saved (RE24) †
1. Justin Verlander • 2019 58.81
2. Gerrit Cole • 2019 55.32
3. Roger Clemens • 2005 55.06
4. Mike Scott • 1986 52.92
5. Andy Pettitte • 2005 47.59
6. Mike Hampton • 1999 47.55
7. Larry Dierker • 1969 46.06
8. Justin Verlander • 2018 44.91
9. Darryl Kile • 1997 43.04
10. Roy Oswalt • 2006 41.21
Win Probability Added (WPA) †
1. Larry Dierker • 1969 6.3
2. Roger Clemens • 2005 6.0
3. Billy Wagner • 1999 5.9
4. Brad Lidge • 2004 5.7
Mike Scott • 1986 5.7
6. Justin Verlander • 2019 5.6
7. Joe Niekro • 1982 5.2
8. Andy Pettitte • 2005 5.1
Justin Verlander • 2018 5.1
10. Mike Hampton • 1999 4.8
Sit. Wins Saved (WPA/LI) †
1. Mike Scott • 1986 6.5
2. Larry Dierker • 1969 5.8
3. Justin Verlander • 2019 5.4
4. Roger Clemens • 2005 5.2
Gerrit Cole • 2019 5.2
6. Dallas Keuchel • 2015 4.8
7. Andy Pettitte • 2005 4.7
Justin Verlander • 2022 4.7
9. Mike Hampton • 1999 4.3
Joe Niekro • 1982 4.3
Don Wilson • 1971 4.3
Championship WPA (cWPA) †
1. Vern Ruhle • 1980 8.2
2. J.R. Richard • 1979 8.0
3. Mike Scott • 1986 7.8
4. Billy Wagner • 1999 5.7
5. Héctor Neris • 2023 5.4
6. Mike Hampton • 1999 4.9
Joe Niekro • 1980 4.9
Nolan Ryan • 1981 4.9
9. Andy Pettitte • 2005 4.8
10. Brad Lidge • 2004 4.4
Base-Out Wins Saved (REW) †
1. Mike Scott • 1986 6.2
2. Roger Clemens • 2005 6.1
Justin Verlander • 2019 6.1
4. Gerrit Cole • 2019 5.8
5. Larry Dierker • 1969 5.3
6. Andy Pettitte • 2005 5.1
7. Mike Hampton • 1999 4.9
Justin Verlander • 2018 4.9
9. Joe Niekro • 1982 4.8
10. Darryl Kile • 1997 4.7

Data Notes