Single-Season Top 10 Leaders

WAR for Pitchers †
1. Roger Clemens1997 11.9
2. Pat Hentgen1996 8.6
3. Roger Clemens1998 8.1
Roy Halladay2003 8.1
5. Dave Stieb1984 7.9
6. Dave Stieb1982 7.6
7. Jimmy Key1987 7.4
8. Mark Eichhorn1986 7.3
Roy Halladay2002 7.3
10. Dave Stieb1983 7.0
Earned Run Average
1. Roger Clemens1997 2.05
2. Dave Stieb1985 2.48
3. Alek Manoah2022 2.56
4. Juan Guzman1992 2.64
5. Roger Clemens1998 2.65
6. Hyun Jin Ryu2020 2.69
7. Jimmy Key1987 2.76
8. Roy Halladay2008 2.78
9. Roy Halladay2009 2.79
10. Dave Stieb1984 2.83
Wins
1. Roy Halladay2003 22
2. Roger Clemens1997 21
Jack Morris1992 21
4. Roger Clemens1998 20
Roy Halladay2008 20
J.A. Happ2016 20
Pat Hentgen1996 20
David Wells2000 20
9. Roy Halladay2002 19
Pat Hentgen1993 19
Win-Loss %
1. Aaron Sanchez2016 .882
2. J.A. Happ2016 .833
3. Juan Guzman1993 .824
4. Jack Morris1992 .778
5. Roger Clemens1998 .769
6. Juan Guzman1992 .762
Roy Halladay2006 .762
8. Roy Halladay2003 .759
9. Roger Clemens1997 .750
Roy Halladay2005 .750
Dave Stieb1990 .750
Walks & Hits per IP
1. Alek Manoah2022 1.022
2. Roger Clemens1997 1.030
3. Marco Estrada2015 1.044
4. Robbie Ray2021 1.045
5. Roy Halladay2008 1.053
6. Jimmy Key1987 1.057
7. Roy Halladay2003 1.071
8. Roger Clemens1998 1.095
9. Roy Halladay2006 1.100
10. David Wells1990 1.111
Hits per 9 IP
1. Roger Clemens1998 6.482
2. Marco Estrada2015 6.663
3. Juan Guzman1992 6.725
4. Marco Estrada2016 6.750
5. Dave Stieb1988 6.815
6. Roger Clemens1997 6.955
7. Robbie Ray2021 6.983
8. Dave Stieb1985 6.996
9. Ricky Romero2011 7.040
10. A.J. Burnett2007 7.117
Bases On Balls per 9 IP
1. Roy Halladay2003 1.083
2. Jimmy Key1989 1.125
3. David Wells2000 1.215
4. Josh Towers2005 1.251
5. Roy Halladay2009 1.318
6. Roy Halladay2006 1.391
7. Roy Halladay2008 1.427
8. Mark Buehrle2015 1.495
9. Kevin Gausman2022 1.530
10. Jimmy Key1991 1.892
Strikeouts per 9 IP
1. Robbie Ray2021 11.545
2. Kevin Gausman2022 10.479
3. Roger Clemens1998 10.393
4. Brandon Morrow2011 10.188
5. Roger Clemens1997 9.955
6. Hyun Jin Ryu2020 9.672
7. A.J. Burnett2007 9.561
8. A.J. Burnett2008 9.393
9. Drew Hutchison2014 8.968
10. Marco Estrada2017 8.516
Games Played
1. Mark Eichhorn1987 89
2. Paul Quantrill1998 82
3. Scott Downs2007 81
Duane Ward1991 81
5. Paul Quantrill2001 80
Scott Schoeneweis2005 80
7. Trever Miller2003 79
Duane Ward1992 79
9. Dan Plesac1998 78
10. Paul Quantrill1997 77
Saves
1. Duane Ward1993 45
2. Roberto Osuna2017 39
3. Kelvim Escobar2002 38
B.J. Ryan2006 38
5. Kevin Gregg2010 37
6. Billy Koch2001 36
Roberto Osuna2016 36
8. Tom Henke1987 34
Tom Henke1992 34
Casey Janssen2013 34
Innings Pitched
1. Dave Stieb1982 288.1
2. Dave Stieb1983 278.0
3. Dave Stieb1984 267.0
4. Jim Clancy1982 266.2
5. Roy Halladay2003 266.0
6. Pat Hentgen1996 265.2
7. Dave Stieb1985 265.0
8. Roger Clemens1997 264.0
Pat Hentgen1997 264.0
10. Doyle Alexander1984 261.2
Strikeouts
1. Roger Clemens1997 292
2. Roger Clemens1998 271
3. Robbie Ray2021 248
4. A.J. Burnett2008 231
5. Roy Halladay2009 208
6. Roy Halladay2008 206
7. Roy Halladay2003 204
8. Brandon Morrow2011 203
9. Dave Stieb1984 198
10. Juan Guzman1993 194
Games Started
1. Jim Clancy1982 40
2. Luis Leal1982 38
Dave Stieb1982 38
4. Jim Clancy1987 37
5. Doyle Alexander1985 36
Jim Clancy1984 36
Roy Halladay2003 36
Jimmy Key1987 36
Dave Stieb1983 36
Dave Stieb1985 36
Complete Games
1. Dave Stieb1982 19
2. Jim Clancy1980 15
3. Dave Stieb1980 14
Dave Stieb1983 14
5. Jerry Garvin1977 12
Tom Underwood1979 12
7. Doyle Alexander1984 11
Jim Clancy1982 11
Jim Clancy1983 11
Dave Lemanczyk1977 11
Dave Lemanczyk1979 11
Dave Stieb1981 11
Dave Stieb1984 11
Home Runs
1. Woody Williams1998 36
2. R.A. Dickey2013 35
3. Jerry Garvin1977 33
Robbie Ray2021 33
5. Pat Hentgen1999 32
David Wells1999 32
7. Marco Estrada2017 31
Pat Hentgen1997 31
Woody Williams1997 31
10. Chris Carpenter2000 30
John Cerutti1987 30
Bases on Balls
1. Jim Clancy1980 128
2. Juan Guzman1993 110
3. Al Leiter1995 108
4. Ricky Romero2012 105
5. Erik Hanson1996 102
6. Miguel Batista2004 96
Dave Stieb1985 96
8. Tom Underwood1979 95
9. Pat Hentgen1996 94
10. Dave Stieb1983 93
Hits
1. Dave Lemanczyk1977 278
2. Dave Stieb1982 271
3. Doyle Alexander1985 268
4. David Wells2000 266
5. Roy Halladay2003 253
Pat Hentgen1997 253
7. Jim Clancy1982 251
8. Luis Leal1982 250
9. Jim Clancy1984 249
10. Jerry Garvin1977 247
Strikeouts / Base On Balls
1. Kevin Gausman2022 6.85
2. Roy Halladay2003 6.375
3. Roy Halladay2009 5.943
4. David Wells2000 5.355
5. Roy Halladay2008 5.282
6. Robbie Ray2021 4.769
7. Jimmy Key1989 4.37
8. Roger Clemens1997 4.294
9. Hyun Jin Ryu2020 4.235
10. Alek Manoah2022 4
Home Runs per 9 IP
1. Juan Guzman1992 0.299
2. Roger Clemens1997 0.307
3. Roy Halladay2002 0.376
4. Roger Clemens1998 0.422
5. Dave Stieb1980 0.445
6. Kevin Gausman2022 0.459
7. Jim Clancy1978 0.465
8. Dave Stieb1990 0.474
9. Dave Stieb1981 0.490
10. Jimmy Key1991 0.516
Losses
1. Jerry Garvin1977 18
Phil Huffman1979 18
3. Erik Hanson1996 17
Jesse Jefferson1977 17
Todd Stottlemyre1990 17
6. Jim Clancy1980 16
Jesse Jefferson1978 16
Dave Lemanczyk1977 16
Tom Underwood1979 16
10. Jim Clancy1984 15
R.A. Dickey2016 15
Kelvim Escobar2000 15
Luis Leal1982 15
Cory Lidle2003 15
Dave Stieb1980 15
Earned Runs
1. Erik Hanson1996 129
2. Jim Clancy1984 125
3. David Wells1999 124
4. Cory Lidle2003 123
5. Chris Carpenter2000 122
6. Dave Lemanczyk1977 119
7. Ricky Romero2012 116
8. Jerry Garvin1977 114
Pat Hentgen1995 114
10. Phil Huffman1979 111
Wild Pitches
1. Juan Guzman1993 26
2. Dave Lemanczyk1977 20
3. Ricky Romero2010 18
4. Juan Guzman1992 14
Al Leiter1995 14
Jack Morris1993 14
7. Juan Guzman1994 13
Erik Hanson1996 13
Dustin McGowan2007 13
Duane Ward1989 13
Hit By Pitch
1. Chris Carpenter2001 16
Alek Manoah2021 16
3. Dave Stieb1986 15
4. R.A. Dickey2014 14
Ricky Romero2011 14
Dave Stieb1983 14
7. Dave Bush2005 13
Dave Stieb1988 13
Dave Stieb1989 13
10. A.J. Burnett2007 12
Roger Clemens1997 12
Roy Halladay2008 12
Alek Manoah2022 12
Chris Michalak2001 12
Brandon Morrow2011 12
Todd Stottlemyre1991 12
Batters Faced
1. Dave Stieb1982 1187
2. Dave Stieb1983 1141
3. Jim Clancy1982 1100
Pat Hentgen1996 1100
5. Dave Lemanczyk1977 1092
6. Doyle Alexander1985 1090
7. Dave Stieb1985 1087
8. Pat Hentgen1997 1085
Dave Stieb1984 1085
10. Jim Clancy1980 1075
Games Finished
1. Duane Ward1993 70
2. Kelvim Escobar2002 68
3. Miguel Batista2005 62
Tom Henke1987 62
Billy Koch2000 62
6. Roberto Osuna2016 61
7. Tom Henke1990 58
Roberto Osuna2017 58
9. B.J. Ryan2006 57
10. Kevin Gregg2010 56
Tom Henke1989 56
Billy Koch2001 56
Mike Timlin1996 56
Adjusted ERA+
1. Roger Clemens1997 222
2. Roger Clemens1998 174
3. Juan Guzman1996 171
Dave Stieb1985 171
5. Jimmy Key1987 164
Hyun Jin Ryu2020 164
7. Roy Halladay2009 159
8. Roy Halladay2002 157
Robbie Ray2021 157
10. Pat Hentgen1996 156
Fielding Independent Pitching
1. Kevin Gausman2022 1.99
2. Roger Clemens1997 2.25
3. Juan Guzman1992 2.60
4. Roger Clemens1998 2.65
5. Roy Halladay2002 2.97
6. Hyun Jin Ryu2020 3.01
7. Roy Halladay2008 3.03
8. Roy Halladay2009 3.06
9. Jimmy Key1991 3.08
10. Jimmy Key1989 3.17
Adj. Pitching Runs
1. Roger Clemens1997 74
2. Pat Hentgen1996 52
3. Roger Clemens1998 50
4. Jimmy Key1987 49
5. Dave Stieb1985 47
6. Mark Eichhorn1986 44
7. Juan Guzman1996 43
Roy Halladay2009 43
9. Dave Stieb1984 40
10. Roy Halladay2002 39
Roy Halladay2003 39
Adj. Pitching Wins
1. Roger Clemens1997 7.9
2. Roger Clemens1998 5.2
3. Pat Hentgen1996 5.1
4. Jimmy Key1987 5.0
Dave Stieb1985 5.0
6. Mark Eichhorn1986 4.5
Roy Halladay2009 4.5
8. Dave Stieb1984 4.3
9. Juan Guzman1996 4.2
10. Roy Halladay2002 4.1
Base-Out Runs Saved (RE24) †
1. Roger Clemens1997 80.62
2. Pat Hentgen1996 52.98
3. Roger Clemens1998 52.09
4. Dave Stieb1985 51.04
5. Mark Eichhorn1986 50.51
6. Jimmy Key1987 50.34
7. Dave Stieb1984 48.45
8. Roy Halladay2009 47.52
9. Juan Guzman1996 44.34
10. Roy Halladay2008 41.82
Win Probability Added (WPA) †
1. Roger Clemens1997 7.1
2. Mark Eichhorn1986 5.0
3. Pat Hentgen1996 4.8
4. B.J. Ryan2006 4.7
5. Juan Guzman1992 4.6
Roy Halladay2005 4.6
7. Roger Clemens1998 4.4
Roy Halladay2003 4.4
Roy Halladay2008 4.4
10. Jimmy Key1985 4.3
Sit. Wins Saved (WPA/LI) †
1. Roger Clemens1997 7.2
2. Roger Clemens1998 5.2
3. Roy Halladay2008 4.9
4. Jimmy Key1987 4.7
5. Mark Eichhorn1986 4.5
6. Dave Stieb1984 4.1
7. Roy Halladay2009 4.0
8. Roy Halladay2002 3.9
Pat Hentgen1996 3.9
Dave Stieb1985 3.9
Championship WPA (cWPA) †
1. Mike Flanagan1987 10.8
2. Jimmy Key1987 9.1
3. Jimmy Key1985 7.5
4. Dave Stieb1985 6.7
5. Juan Guzman1992 6.6
6. Jim Acker1989 6.5
7. David Wells1987 6.1
8. Duane Ward1992 6.0
9. Tom Henke1989 5.5
10. Tom Henke1992 5.2
Base-Out Wins Saved (REW) †
1. Roger Clemens1997 8.8
2. Roger Clemens1998 5.4
Dave Stieb1985 5.4
4. Pat Hentgen1996 5.2
Dave Stieb1984 5.2
6. Mark Eichhorn1986 5.1
Jimmy Key1987 5.1
8. Roy Halladay2009 5.0
9. Roy Halladay2008 4.5
10. Juan Guzman1996 4.4

Data Notes