Single-Season Top 10 Leaders

WAR for Pitchers †
1. Dean Chance • 1964 9.4
2. Mark Langston • 1993 8.5
3. Frank Tanana • 1977 8.3
4. Nolan Ryan • 1977 7.8
5. Chuck Finley • 1990 7.7
Nolan Ryan • 1973 7.7
7. Jim Abbott • 1991 7.6
8. Frank Tanana • 1976 7.5
9. Frank Tanana • 1975 7.4
10. Mark Langston • 1991 7.3
Earned Run Average
1. Dean Chance • 1964 1.65
2. Nolan Ryan • 1972 2.28
3. Shohei Ohtani • 2022 2.33
4. Chuck Finley • 1990 2.4
5. Jered Weaver • 2011 2.41
6. Frank Tanana • 1976 2.43
7. Andy Messersmith • 1969 2.52
8. Frank Tanana • 1977 2.54
9. George Brunet • 1965 2.56
10. Chuck Finley • 1989 2.57
Wins
1. Nolan Ryan • 1974 22
Clyde Wright • 1970 22
3. Bartolo Colón • 2005 21
Nolan Ryan • 1973 21
5. Dean Chance • 1964 20
Andy Messersmith • 1971 20
Bill Singer • 1973 20
Jered Weaver • 2012 20
9. John Lackey • 2007 19
Mark Langston • 1991 19
Nolan Ryan • 1972 19
Nolan Ryan • 1977 19
Frank Tanana • 1976 19
Win-Loss %
1. Matt Shoemaker • 2014 .800
Jered Weaver • 2012 .800
3. Bert Blyleven • 1989 .773
4. Garrett Richards • 2014 .765
5. Jarrod Washburn • 2002 .750
6. John Lackey • 2005 .737
7. Bartolo Colón • 2005 .724
8. Kelvim Escobar • 2007 .720
9. Joe Saunders • 2008 .708
C.J. Wilson • 2013 .708
Walks & Hits per IP
1. Frank Tanana • 1976 0.988
2. Dean Chance • 1964 1.006
3. Jered Weaver • 2011 1.010
4. Shohei Ohtani • 2022 1.012
5. Jered Weaver • 2012 1.018
6. Dan Haren • 2011 1.024
7. Dylan Bundy • 2020 1.036
8. Garrett Richards • 2014 1.038
9. George Brunet • 1968 1.056
10. Jered Weaver • 2010 1.074
Hits per 9 IP
1. Nolan Ryan • 1972 5.261
2. Nolan Ryan • 1977 5.960
3. Nolan Ryan • 1974 5.979
4. Andy Messersmith • 1969 6.084
5. Nolan Ryan • 1976 6.109
6. Dean Chance • 1964 6.273
7. Tyler Anderson • 2024 6.328
8. Nolan Ryan • 1973 6.571
9. Garrett Richards • 2014 6.617
Frank Tanana • 1976 6.617
Bases On Balls per 9 IP
1. Paul Byrd • 2005 1.233
2. Dan Haren • 2011 1.246
3. Ken Forsch • 1981 1.588
4. Bert Blyleven • 1989 1.643
5. Bartolo Colón • 2005 1.738
6. Paul Hartzell • 1977 1.806
7. Fred Newman • 1964 1.847
8. Tommy John • 1983 1.879
9. Don Sutton • 1987 1.925
10. Ervin Santana • 2008 1.932
Strikeouts per 9 IP
1. Shohei Ohtani • 2022 11.873
2. Nolan Ryan • 1973 10.574
3. Nolan Ryan • 1972 10.426
4. Patrick Sandoval • 2024 10.385
5. Nolan Ryan • 1976 10.351
6. Nolan Ryan • 1977 10.264
7. Nolan Ryan • 1978 9.972
8. Nolan Ryan • 1974 9.929
9. Dylan Bundy • 2020 9.868
10. Reid Detmers • 2024 9.818
Games Played
1. Scot Shields • 2005 78
2. José Álvarez • 2018 76
Francisco Rodríguez • 2008 76
Joe Smith • 2014 76
5. Dane De La Rosa • 2013 75
6. Steve Cishek • 2021 74
Kevin Jepsen • 2014 74
Scot Shields • 2006 74
9. Ty Buttrey • 2019 72
Mike Mayers • 2021 72
Fernando Rodney • 2010 72
Minnie Rojas • 1967 72
Fernando Salas • 2015 72
Saves
1. Francisco Rodríguez • 2008 62
2. Brian Fuentes • 2009 48
3. Francisco Rodríguez • 2006 47
4. Bryan Harvey • 1991 46
5. Francisco Rodríguez • 2005 45
6. Troy Percival • 1998 42
7. Troy Percival • 2002 40
Francisco Rodríguez • 2007 40
Huston Street • 2015 40
10. Troy Percival • 2001 39
Innings Pitched
1. Nolan Ryan • 1974 332.2
2. Nolan Ryan • 1973 326.0
3. Bill Singer • 1973 315.2
4. Nolan Ryan • 1977 299.0
5. Frank Tanana • 1976 288.1
6. Nolan Ryan • 1976 284.1
7. Nolan Ryan • 1972 284.0
8. Dean Chance • 1964 278.1
9. Andy Messersmith • 1971 276.2
Clyde Wright • 1971 276.2
Strikeouts
1. Nolan Ryan • 1973 383
2. Nolan Ryan • 1974 367
3. Nolan Ryan • 1977 341
4. Nolan Ryan • 1972 329
5. Nolan Ryan • 1976 327
6. Frank Tanana • 1975 269
7. Frank Tanana • 1976 261
8. Nolan Ryan • 1978 260
9. Bill Singer • 1973 241
10. Jered Weaver • 2010 233
Games Started
1. Nolan Ryan • 1974 41
2. Bill Singer • 1973 40
3. Nolan Ryan • 1972 39
Nolan Ryan • 1973 39
Nolan Ryan • 1976 39
Clyde Wright • 1970 39
7. Andy Messersmith • 1971 38
Tom Murphy • 1970 38
9. George Brunet • 1967 37
Dean Chance • 1966 37
Nolan Ryan • 1977 37
Clyde Wright • 1971 37
Complete Games
1. Nolan Ryan • 1973 26
Nolan Ryan • 1974 26
3. Frank Tanana • 1976 23
4. Nolan Ryan • 1977 22
5. Nolan Ryan • 1976 21
6. Nolan Ryan • 1972 20
Frank Tanana • 1977 20
8. Bill Singer • 1973 19
9. Nolan Ryan • 1979 17
10. Ed Figueroa • 1975 16
Frank Tanana • 1975 16
Shutouts
1. Dean Chance • 1964 11
2. Nolan Ryan • 1972 9
3. Nolan Ryan • 1976 7
Frank Tanana • 1977 7
5. Jim McGlothlin • 1967 6
6. Bert Blyleven • 1989 5
George Brunet • 1968 5
Nolan Ryan • 1975 5
Nolan Ryan • 1979 5
Frank Tanana • 1975 5
Geoff Zahn • 1984 5
Home Runs
1. Shawn Boskie • 1996 40
Ramón Ortiz • 2002 40
3. Ervin Santana • 2012 39
4. Bartolo Colón • 2004 38
Don Sutton • 1987 38
6. Allen Watson • 1997 37
Jered Weaver • 2016 37
8. Ricky Nolasco • 2017 35
9. Jarrod Washburn • 2003 34
Mike Witt • 1987 34
Bases on Balls
1. Nolan Ryan • 1977 204
2. Nolan Ryan • 1974 202
3. Nolan Ryan • 1976 183
4. Nolan Ryan • 1973 162
5. Nolan Ryan • 1972 157
6. Nolan Ryan • 1978 148
7. Nolan Ryan • 1975 132
8. Bill Singer • 1973 130
9. Bo Belinsky • 1962 122
10. Andy Messersmith • 1971 121
Hits
1. Tommy John • 1983 287
2. Bill Singer • 1973 280
3. Clyde Wright • 1973 273
4. Mike Witt • 1988 263
5. Frank Tanana • 1974 262
6. Mike Witt • 1987 252
Mike Witt • 1989 252
8. Jim Abbott • 1990 246
9. Chuck Finley • 1993 243
10. Chuck Finley • 1996 241
Strikeouts / Base On Balls
1. Dan Haren • 2011 5.818
2. Shohei Ohtani • 2022 4.977
3. Ervin Santana • 2008 4.553
4. Jered Weaver • 2010 4.315
5. Dylan Bundy • 2020 4.235
6. Andrew Heaney • 2018 4
7. Dan Haren • 2012 3.737
8. Frank Tanana • 1975 3.685
9. Andrew Heaney • 2020 3.684
10. Bartolo Colón • 2005 3.651
Home Runs per 9 IP
1. Dean Chance • 1964 0.226
2. Andy Messersmith • 1972 0.265
3. Garrett Richards • 2014 0.267
4. Paul Hartzell • 1976 0.325
5. Nolan Ryan • 1977 0.361
6. Dean Chance • 1963 0.363
7. Mike Witt • 1982 0.401
8. George Brunet • 1965 0.411
Nolan Ryan • 1976 0.411
10. Ken Forsch • 1981 0.412
Losses
1. George Brunet • 1967 19
Kirk McCaskill • 1991 19
Frank Tanana • 1974 19
Clyde Wright • 1973 19
5. Jim Abbott • 1996 18
Dean Chance • 1963 18
Nolan Ryan • 1976 18
8. George Brunet • 1968 17
Dean Chance • 1966 17
Mark Langston • 1990 17
Rudy May • 1973 17
Tom Murphy • 1971 17
Clyde Wright • 1971 17
Earned Runs
1. Jim Abbott • 1996 118
2. Willie Fraser • 1988 117
3. Bartolo Colón • 2004 116
Scott Schoeneweis • 2001 116
5. Mike Witt • 1988 115
6. Tommy John • 1983 113
Bill Singer • 1973 113
8. Shawn Boskie • 1996 112
Dennis Springer • 1997 112
10. Mike Witt • 1989 111
Wild Pitches
1. Garrett Richards • 2014 22
2. Nolan Ryan • 1977 21
3. John Lackey • 2005 18
Nolan Ryan • 1972 18
5. Chuck Finley • 1996 17
Tom Murphy • 1971 17
Garrett Richards • 2015 17
8. John Lackey • 2006 16
Andy Messersmith • 1969 16
Tom Murphy • 1969 16
Hit By Pitch
1. Tom Murphy • 1969 21
2. Ken McBride • 1964 16
3. Ken McBride • 1963 14
Scott Schoeneweis • 2001 14
5. Bo Belinsky • 1962 13
Shawn Boskie • 1996 13
Reid Detmers • 2023 13
Jason Grimsley • 1996 13
9. Scott Kazmir • 2010 12
John Lackey • 2007 12
Ramón Ortiz • 2001 12
Ramón Ortiz • 2003 12
Ervin Santana • 2010 12
Aaron Sele • 2003 12
Frank Tanana • 1977 12
Jered Weaver • 2015 12
Batters Faced
1. Nolan Ryan • 1974 1392
2. Nolan Ryan • 1973 1355
3. Bill Singer • 1973 1348
4. Nolan Ryan • 1977 1272
5. Nolan Ryan • 1976 1196
6. Andy Messersmith • 1971 1170
7. Nolan Ryan • 1972 1154
8. Frank Tanana • 1976 1142
9. Frank Tanana • 1974 1127
10. Clyde Wright • 1971 1107
Games Finished
1. Francisco Rodríguez • 2008 69
2. Bryan Harvey • 1991 63
3. Troy Percival • 1998 60
4. Raisel Iglesias • 2021 59
5. Francisco Rodríguez • 2005 58
Francisco Rodríguez • 2006 58
7. Brian Fuentes • 2009 57
Donnie Moore • 1985 57
9. Francisco Rodríguez • 2007 56
10. Minnie Rojas • 1967 53
Adjusted ERA+
1. Dean Chance • 1964 200
2. Shohei Ohtani • 2022 172
3. Chuck Finley • 1990 158
4. Jered Weaver • 2011 156
5. Frank Tanana • 1977 154
6. John Lackey • 2007 150
7. Tyler Anderson • 2024 149
Chuck Finley • 1989 149
9. Mike Witt • 1986 144
10. Jim Abbott • 1992 143
Fielding Independent Pitching
1. Andy Messersmith • 1972 2.35
2. Dean Chance • 1964 2.39
3. Shohei Ohtani • 2022 2.40
4. Nolan Ryan • 1972 2.49
Nolan Ryan • 1973 2.49
Frank Tanana • 1975 2.49
7. Garrett Richards • 2014 2.60
8. Frank Tanana • 1976 2.76
9. George Brunet • 1965 2.78
10. Dean Chance • 1963 2.86
Adj. Pitching Runs
1. Dean Chance • 1964 57
2. Frank Tanana • 1977 40
Jered Weaver • 2011 40
4. Mike Witt • 1986 38
5. Nolan Ryan • 1977 36
6. Chuck Finley • 1990 35
John Lackey • 2007 35
Mark Langston • 1993 35
9. Jim Abbott • 1991 33
10. Bert Blyleven • 1989 32
Adj. Pitching Wins
1. Dean Chance • 1964 6.5
2. Jered Weaver • 2011 4.4
3. Frank Tanana • 1977 4.3
4. Mike Witt • 1986 4.0
5. Chuck Finley • 1990 3.8
Nolan Ryan • 1977 3.8
7. Mark Langston • 1993 3.6
8. Jim Abbott • 1991 3.5
Bert Blyleven • 1989 3.5
John Lackey • 2007 3.5
Base-Out Runs Saved (RE24) †
1. Dean Chance • 1964 65.10
2. Jered Weaver • 2011 47.91
3. Frank Tanana • 1977 47.18
4. Mike Witt • 1986 41.50
5. Bert Blyleven • 1989 39.69
6. Frank Tanana • 1975 39.06
7. Jarrod Washburn • 2002 38.29
8. Mark Langston • 1993 37.23
9. Nolan Ryan • 1973 36.95
10. Nolan Ryan • 1977 36.33
Win Probability Added (WPA) †
1. Dean Chance • 1964 8.4
2. Troy Percival • 1996 6.6
Nolan Ryan • 1973 6.6
4. Frank Tanana • 1976 5.5
5. Francisco Rodríguez • 2006 5.4
6. Jered Weaver • 2011 5.1
7. Bob Lee • 1965 4.8
Frank Tanana • 1975 4.8
9. Ken Tatum • 1969 4.6
10. Bert Blyleven • 1989 4.5
Brendan Donnelly • 2003 4.5
Sit. Wins Saved (WPA/LI) †
1. Dean Chance • 1964 6.2
2. Frank Tanana • 1976 4.9
3. Mike Witt • 1986 4.6
4. Jered Weaver • 2011 4.4
5. Nolan Ryan • 1977 4.0
6. Mark Langston • 1993 3.8
7. Nolan Ryan • 1973 3.7
8. Jarrod Washburn • 2002 3.6
9. Jim Abbott • 1991 3.5
10. Bert Blyleven • 1989 3.4
Championship WPA (cWPA) †
1. Donnie Moore • 1985 6.3
Mike Witt • 1986 6.3
3. Bert Blyleven • 1989 5.4
4. Kirk McCaskill • 1989 5.1
5. Luis Sánchez • 1982 5.0
6. Mike Witt • 1984 4.7
7. Dean Chance • 1962 4.2
Kirk McCaskill • 1986 4.2
Francisco Rodríguez • 2004 4.2
10. Andy Messersmith • 1970 4.0
Base-Out Wins Saved (REW) †
1. Dean Chance • 1964 8.0
2. Jered Weaver • 2011 5.5
3. Frank Tanana • 1977 5.3
4. Frank Tanana • 1975 4.5
5. Bert Blyleven • 1989 4.4
Mike Witt • 1986 4.4
7. Nolan Ryan • 1973 4.2
8. Frank Tanana • 1976 4.1
9. Jarrod Washburn • 2002 4.0
10. Jim Abbott • 1991 3.9
Chuck Finley • 1990 3.9
Nolan Ryan • 1977 3.9

Data Notes