Single-Season Top 10 Leaders

WAR for Pitchers †
1. Gaylord Perry • 1972 10.8
2. Bob Feller • 1946 10.0
3. Stan Coveleski • 1918 9.9
Bob Feller • 1940 9.9
5. Bob Feller • 1939 9.2
6. Jim Bagby • 1920 9.0
7. George Uhle • 1926 8.9
8. Vean Gregg • 1911 8.8
9. Stan Coveleski • 1920 8.7
10. Jim Bagby • 1917 8.5
Stan Coveleski • 1917 8.5
Addie Joss • 1908 8.5
Gaylord Perry • 1974 8.5
Luis Tiant • 1968 8.5
Earned Run Average
1. Addie Joss • 1908 1.16
2. Addie Joss • 1904 1.59
3. Luis Tiant • 1968 1.6
4. Shane Bieber • 2020 1.63
5. Addie Joss • 1909 1.71
6. Addie Joss • 1906 1.72
7. Charlie Chech • 1908 1.74
Earl Moore • 1903 1.74
9. Bob Rhoads • 1908 1.77
10. Vean Gregg • 1911 1.8
Bob Rhoads • 1906 1.8
Wins
1. Jim Bagby • 1920 31
2. Bob Feller • 1940 27
Addie Joss • 1907 27
George Uhle • 1926 27
5. Bob Feller • 1946 26
George Uhle • 1923 26
7. Bob Feller • 1941 25
Wes Ferrell • 1930 25
9. Stan Coveleski • 1919 24
Stan Coveleski • 1920 24
Bob Feller • 1939 24
Addie Joss • 1908 24
Gaylord Perry • 1972 24
Win-Loss %
1. Johnny Allen • 1937 .938
2. Shane Bieber • 2020 .889
3. Cliff Lee • 2008 .880
4. Corey Kluber • 2017 .818
5. Bob Feller • 1954 .813
6. Mark Clark • 1994 .786
7. Bartolo Colón • 1999 .783
Cliff Lee • 2005 .783
9. Ed Klepfer • 1917 .778
10. Bill Bernhard • 1902 .773
Charles Nagy • 1996 .773
CC Sabathia • 2001 .773
Walks & Hits per IP
1. Addie Joss • 1908 0.806
2. Shane Bieber • 2020 0.866
3. Corey Kluber • 2017 0.869
4. Luis Tiant • 1968 0.871
5. Addie Joss • 1906 0.933
6. Bill Bernhard • 1902 0.935
7. Addie Joss • 1909 0.944
8. Addie Joss • 1903 0.948
9. Triston McKenzie • 2022 0.951
10. Gaylord Perry • 1972 0.978
Hits per 9 IP
1. Luis Tiant • 1968 5.295
2. Shane Bieber • 2020 5.353
3. Herb Score • 1956 5.848
4. Sam McDowell • 1965 5.868
5. Sam McDowell • 1966 6.021
6. Sam McDowell • 1968 6.056
7. Stan Coveleski • 1917 6.094
8. Corey Kluber • 2017 6.231
9. Herb Score • 1955 6.255
10. Vean Gregg • 1911 6.327
Bases On Balls per 9 IP
1. Addie Joss • 1908 0.831
2. Josh Tomlin • 2016 1.034
3. Bill Bernhard • 1903 1.141
4. Josh Tomlin • 2011 1.143
5. Addie Joss • 1909 1.150
6. Greg Swindell • 1991 1.172
7. Addie Joss • 1903 1.174
8. Dick Donovan • 1963 1.223
9. Ralph Terry • 1965 1.249
10. Paul Byrd • 2007 1.310
Strikeouts per 9 IP
1. Shane Bieber • 2020 14.198
2. Corey Kluber • 2017 11.710
3. Trevor Bauer • 2018 11.344
4. Shane Bieber • 2019 10.876
5. Carlos Carrasco • 2020 10.853
6. Carlos Carrasco • 2018 10.828
7. Sam McDowell • 1965 10.714
8. Carlos Carrasco • 2015 10.584
9. Sam McDowell • 1966 10.420
10. Corey Kluber • 2014 10.273
Games Played
1. Bryan Shaw • 2021 81
2. Bryan Shaw • 2014 80
3. Bob Howry • 2005 79
Bryan Shaw • 2017 79
5. Hunter Gaddis • 2024 78
6. Cody Allen • 2013 77
Emmanuel Clase • 2022 77
8. Cody Allen • 2014 76
Sid Monge • 1979 76
10. Paul Assenmacher • 1997 75
Emmanuel Clase • 2023 75
Tim Herrin • 2024 75
Bryan Shaw • 2016 75
Saves
1. Emmanuel Clase • 2024 47
2. José Mesa • 1995 46
3. Joe Borowski • 2007 45
Bob Wickman • 2005 45
5. Emmanuel Clase • 2023 44
6. Doug Jones • 1990 43
7. Emmanuel Clase • 2022 42
8. Mike Jackson • 1998 40
9. Mike Jackson • 1999 39
José Mesa • 1996 39
Chris Perez • 2012 39
Innings Pitched
1. Bob Feller • 1946 371.1
2. George Uhle • 1923 357.2
3. Gaylord Perry • 1973 344.0
4. Bob Feller • 1941 343.0
5. Gaylord Perry • 1972 342.2
6. Jim Bagby • 1920 339.2
7. Addie Joss • 1907 338.2
8. Otto Hess • 1906 333.2
9. Addie Joss • 1908 325.0
10. Gaylord Perry • 1974 322.1
Strikeouts
1. Bob Feller • 1946 348
2. Sam McDowell • 1965 325
3. Sam McDowell • 1970 304
4. Sam McDowell • 1968 283
5. Sam McDowell • 1969 279
6. Corey Kluber • 2014 269
7. Corey Kluber • 2017 265
8. Luis Tiant • 1968 264
9. Herb Score • 1956 263
10. Bob Feller • 1940 261
Games Started
1. George Uhle • 1923 44
2. Bob Feller • 1946 42
3. Gaylord Perry • 1973 41
4. Stan Coveleski • 1921 40
Bob Feller • 1941 40
Gaylord Perry • 1972 40
Dick Tidrow • 1973 40
George Uhle • 1922 40
9. Sam McDowell • 1970 39
10. Jim Bagby • 1920 38
Stan Coveleski • 1920 38
Bob Feller • 1948 38
Wayne Garland • 1977 38
Addie Joss • 1907 38
Sam McDowell • 1969 38
Complete Games
1. Bob Feller • 1946 36
2. Bill Bernhard • 1904 35
3. Addie Joss • 1907 34
4. Otto Hess • 1906 33
5. George Uhle • 1926 32
6. Bob Feller • 1940 31
Addie Joss • 1903 31
Addie Joss • 1905 31
Bob Rhoads • 1906 31
10. Jim Bagby • 1920 30
Red Donahue • 1904 30
George Uhle • 1923 30
Cy Young • 1909 30
Shutouts
1. Bob Feller • 1946 10
Bob Lemon • 1948 10
3. Stan Coveleski • 1917 9
Addie Joss • 1906 9
Addie Joss • 1908 9
Luis Tiant • 1968 9
7. Jim Bagby • 1917 8
8. Otto Hess • 1906 7
Gaylord Perry • 1973 7
Bob Rhoads • 1906 7
Home Runs
1. Luis Tiant • 1969 37
2. Josh Tomlin • 2016 36
3. Jim Perry • 1960 35
4. Charles Nagy • 1998 34
Gaylord Perry • 1973 34
Ken Schrom • 1986 34
7. Gary Bell • 1961 32
Scott Elarton • 2005 32
Mudcat Grant • 1961 32
Early Wynn • 1957 32
Bases on Balls
1. Bob Feller • 1938 208
2. Bob Feller • 1941 194
3. Herb Score • 1955 154
4. Bob Feller • 1946 153
Sam McDowell • 1971 153
6. Bob Lemon • 1950 146
7. Bob Feller • 1939 142
8. Gene Krapp • 1911 138
9. Bob Lemon • 1949 137
10. Sam McDowell • 1965 132
Early Wynn • 1952 132
Hits
1. George Uhle • 1923 378
2. Stan Coveleski • 1921 341
3. Jim Bagby • 1920 338
4. George Uhle • 1922 328
5. Bill Bernhard • 1904 323
6. Joe Shaute • 1924 317
7. Gaylord Perry • 1973 315
8. Mel Harder • 1935 313
Willis Hudlin • 1931 313
10. Earl Moore • 1902 304
Strikeouts / Base On Balls
1. Corey Kluber • 2017 7.361
2. Corey Kluber • 2018 6.529
3. Shane Bieber • 2019 6.475
4. Josh Tomlin • 2016 5.9
5. Shane Bieber • 2020 5.81
6. CC Sabathia • 2007 5.649
7. Shane Bieber • 2022 5.5
8. Greg Swindell • 1991 5.452
9. Corey Kluber • 2015 5.444
10. Carlos Carrasco • 2018 5.372
Home Runs per 9 IP
1. Glenn Liebhardt • 1907 0.032
2. Bill Bernhard • 1906 0.035
Pete Dowling • 1901 0.035
4. George Kahler • 1912 0.037
5. Willie Mitchell • 1915 0.038
6. Gene Krapp • 1911 0.041
Willie Mitchell • 1913 0.041
8. Otto Hess • 1905 0.042
Guy Morton • 1918 0.042
10. Heinie Berger • 1908 0.045
Losses
1. Pete Dowling • 1901 22
2. Luis Tiant • 1969 20
3. Wayne Garland • 1977 19
George Kahler • 1912 19
Al Milnar • 1941 19
Gaylord Perry • 1973 19
Rick Wise • 1978 19
8. Tom Candiotti • 1987 18
Earl Moore • 1902 18
10. Jim Bagby • 1916 17
Garland Buckeye • 1927 17
Mel Harder • 1933 17
Neal Heaton • 1985 17
Otto Hess • 1906 17
Ubaldo Jiménez • 2012 17
Sam McDowell • 1971 17
Willie Mitchell • 1914 17
Jim Perry • 1961 17
Joe Shaute • 1924 17
Joe Shaute • 1928 17
George Uhle • 1928 17
Early Wynn • 1957 17
Earned Runs
1. George Uhle • 1923 150
2. Dick Tidrow • 1973 135
3. Willis Hudlin • 1931 130
George Uhle • 1922 130
5. Mel Harder • 1936 129
Gaylord Perry • 1973 129
7. Monte Pearson • 1934 128
Sherry Smith • 1925 128
9. Bob Feller • 1938 126
Early Wynn • 1957 126
Wild Pitches
1. Otto Hess • 1905 18
Sam McDowell • 1967 18
3. Sam McDowell • 1965 17
Sam McDowell • 1970 17
Gaylord Perry • 1973 17
6. Ubaldo Jiménez • 2012 16
7. Monte Pearson • 1934 15
8. Len Barker • 1980 14
Bob Feller • 1939 14
Gene Krapp • 1911 14
Justin Masterson • 2012 14
Sam McDowell • 1969 14
Herb Score • 1959 14
Hit By Pitch
1. Otto Hess • 1906 24
2. Earl Moore • 1905 18
3. Justin Masterson • 2013 17
4. Pete Dowling • 1901 15
Willie Mitchell • 1910 15
6. Trevor Bauer • 2019 14
Roberto Hernández • 2011 14
Bob Rhoads • 1907 14
9. Vean Gregg • 1913 13
Addie Joss • 1902 13
George Kahler • 1911 13
Gene Krapp • 1911 13
Justin Masterson • 2012 13
Willie Mitchell • 1911 13
George Uhle • 1922 13
George Uhle • 1924 13
George Uhle • 1926 13
Batters Faced
1. George Uhle • 1923 1548
2. Bob Feller • 1946 1512
3. Bob Feller • 1941 1466
4. Gaylord Perry • 1973 1410
5. George Uhle • 1926 1367
6. Stan Coveleski • 1921 1358
7. Jim Bagby • 1920 1355
8. Gaylord Perry • 1972 1345
9. Otto Hess • 1906 1316
10. Bob Feller • 1940 1304
Games Finished
1. Emmanuel Clase • 2022 67
2. Emmanuel Clase • 2024 66
3. Emmanuel Clase • 2023 65
Mike Jackson • 1999 65
5. Doug Jones • 1990 64
6. Steve Olin • 1992 62
7. José Mesa • 1996 60
8. Cody Allen • 2015 58
Joe Borowski • 2007 58
10. Mike Jackson • 1998 57
José Mesa • 1995 57
Chris Perez • 2011 57
Adjusted ERA+
1. Shane Bieber • 2020 273
2. Addie Joss • 1908 204
3. Corey Kluber • 2017 202
4. Trevor Bauer • 2018 196
5. Vean Gregg • 1911 189
6. Luis Tiant • 1968 186
7. Johnny Allen • 1937 176
8. Mel Harder • 1934 173
9. Mike Garcia • 1949 170
10. Gene Bearden • 1948 168
Gaylord Perry • 1972 168
Fielding Independent Pitching
1. Addie Joss • 1908 1.68
2. Heinie Berger • 1909 1.86
3. Luis Tiant • 1968 2.04
4. Glenn Liebhardt • 1908 2.05
5. Shane Bieber • 2020 2.07
6. Sam McDowell • 1965 2.08
7. Addie Joss • 1907 2.09
8. Addie Joss • 1909 2.10
9. Addie Joss • 1904 2.13
10. Cy Young • 1910 2.17
Adj. Pitching Runs
1. Bob Feller • 1940 63
2. Bob Feller • 1939 55
3. Bob Feller • 1946 51
4. Corey Kluber • 2017 50
5. Mel Harder • 1934 49
Gaylord Perry • 1972 49
7. Stan Coveleski • 1920 47
8. Early Wynn • 1956 46
9. Herb Score • 1956 45
George Uhle • 1926 45
Adj. Pitching Wins
1. Bob Feller • 1940 6.4
2. Gaylord Perry • 1972 6.1
3. Bob Feller • 1946 5.7
4. Bob Feller • 1939 5.4
Corey Kluber • 2017 5.4
6. Luis Tiant • 1968 5.0
7. Stan Coveleski • 1920 4.8
Mel Harder • 1934 4.8
Early Wynn • 1956 4.8
10. Addie Joss • 1908 4.7
Gaylord Perry • 1974 4.7
Herb Score • 1956 4.7
George Uhle • 1926 4.7
Base-Out Runs Saved (RE24) †
1. Bob Feller • 1940 72.49
2. Bob Feller • 1939 65.64
3. Stan Coveleski • 1920 62.23
4. Jim Bagby • 1920 61.53
5. George Uhle • 1926 59.40
6. Bob Feller • 1946 58.08
7. Gaylord Perry • 1972 55.98
8. Corey Kluber • 2017 54.66
9. Bob Lemon • 1948 53.69
10. Mel Harder • 1934 53.39
Win Probability Added (WPA) †
1. Bob Feller • 1940 8.8
2. Bob Feller • 1946 7.6
3. Jim Bagby • 1917 7.5
4. Gaylord Perry • 1972 7.1
5. Stan Coveleski • 1917 7.0
6. Bob Lemon • 1949 6.9
George Uhle • 1926 6.9
8. Bob Feller • 1941 6.6
9. Emmanuel Clase • 2024 6.4
Luis Tiant • 1968 6.4
Sit. Wins Saved (WPA/LI) †
1. Bob Feller • 1940 6.8
2. Bob Feller • 1939 5.8
3. Stan Coveleski • 1920 5.6
4. Bob Lemon • 1948 5.5
5. Corey Kluber • 2017 5.4
6. Luis Tiant • 1968 5.2
7. Bob Feller • 1946 5.1
Bob Lemon • 1949 5.1
9. Jim Bagby • 1920 4.9
Early Wynn • 1956 4.9
Championship WPA (cWPA) †
1. Gene Bearden • 1948 29.4
2. Bob Feller • 1940 28.0
3. Stan Coveleski • 1920 22.1
4. Early Wynn • 1951 21.5
5. Duster Mails • 1920 18.9
6. Ray Narleski • 1955 18.3
7. Bob Lemon • 1952 17.7
8. Jim Bagby • 1920 16.4
9. Mike Garcia • 1954 14.7
Early Wynn • 1954 14.7
Base-Out Wins Saved (REW) †
1. Bob Feller • 1940 7.6
2. Gaylord Perry • 1972 6.9
3. Bob Feller • 1939 6.8
Bob Feller • 1946 6.8
5. Stan Coveleski • 1920 6.5
6. Jim Bagby • 1920 6.4
7. George Uhle • 1926 6.2
8. Corey Kluber • 2017 5.8
Bob Lemon • 1948 5.8
Luis Tiant • 1968 5.8

Data Notes