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Single-Season Top 10 Leaders

WAR for Pitchers †
1. Russ Ford1910 11.4
2. Jack Chesbro1904 10.4
3. Ron Guidry1978 9.6
4. Lefty Gomez1937 9.2
5. Andy Pettitte1997 8.4
6. Lefty Gomez1934 8.3
7. Catfish Hunter1975 8.1
Bob Shawkey1920 8.1
9. Herb Pennock1924 7.9
10. Al Orth1906 7.8
Earned Run Average
1. Spud Chandler1943 1.64
2. Russ Ford1910 1.65
Carl Mays1919 1.65
4. Sparky Lyle1974 1.66
5. Clark Griffith1905 1.68
6. Ron Guidry1978 1.74
7. Jack Chesbro1904 1.82
8. Hippo Vaughn1910 1.83
9. Joe Lake1909 1.88
10. Sparky Lyle1972 1.92
Wins
1. Jack Chesbro1904 41
2. Carl Mays1921 27
Al Orth1906 27
4. Bullet Joe Bush1922 26
Russ Ford1910 26
Lefty Gomez1934 26
Carl Mays1920 26
8. Whitey Ford1961 25
Ron Guidry1978 25
10. Whitey Ford1963 24
Lefty Gomez1932 24
George Pipgras1928 24
Bob Shawkey1916 24
Win-Loss %
1. Aaron Small2005 1.000
Tom Zachary1929 1.000
3. Steve Sundra1939 .917
4. Alfredo Aceves2009 .909
5. Whitey Ford1950 .900
6. Ron Guidry1978 .893
7. Ron Davis1979 .875
8. Roger Clemens2001 .870
9. Whitey Ford1961 .862
10. Ralph Terry1961 .842
Walks & Hits per IP
1. Russ Ford1910 0.881
2. Jack Chesbro1904 0.937
3. Ron Guidry1978 0.946
4. Clark Griffith1905 0.954
5. Ray Caldwell1914 0.958
6. Tiny Bonham1942 0.987
7. Spud Chandler1943 0.992
Ron Guidry1981 0.992
9. Lindy McDaniel1970 0.994
Mariano Rivera1996 0.994
Masahiro Tanaka2015 0.994
Hits per 9 IP
1. Tommy Byrne1948 5.319
2. Tommy Byrne1949 5.740
3. Russ Ford1910 5.826
4. Rich Gossage1978 5.829
5. Al Downing1963 5.841
6. Rudy May1974 5.904
7. Mariano Rivera1996 6.102
8. Bob Turley1957 6.125
9. Bob Turley1955 6.130
10. Ron Guidry1978 6.150
Bases On Balls per 9 IP
1. David Wells2003 0.845
2. Jon Lieber2004 0.917
3. Tiny Bonham1942 0.956
4. Tiny Bonham1945 1.096
5. Bill Monbouquette1967 1.148
6. Herb Pennock1930 1.151
7. Michael Pineda2015 1.176
8. Rudy May1982 1.189
9. David Wells1998 1.218
10. Fritz Peterson1968 1.229
Strikeouts per 9 IP
1. James Paxton2019 11.111
2. Mariano Rivera1996 10.867
3. Luis Severino2017 10.707
4. Michael Pineda2016 10.605
5. Joba Chamberlain2008 10.585
6. Luis Severino2018 10.348
7. David Cone1997 10.246
8. Masahiro Tanaka2017 9.791
9. Domingo German2019 9.629
10. Roger Clemens2002 9.600
Games Played
1. Paul Quantrill2004 86
2. Scott Proctor2006 83
3. Tom Gordon2004 80
Boone Logan2012 80
5. Tom Gordon2005 79
Mike Stanton2002 79
7. Steve Karsay2002 78
8. Jeff Nelson1997 77
Luis Vizcaino2007 77
10. Mike Stanton2001 76
Saves
1. Mariano Rivera2004 53
2. Mariano Rivera2001 50
3. Dave Righetti1986 46
4. Mariano Rivera1999 45
5. Mariano Rivera2009 44
Mariano Rivera2011 44
Mariano Rivera2013 44
8. Mariano Rivera1997 43
Mariano Rivera2005 43
John Wetteland1996 43
Innings Pitched
1. Jack Chesbro1904 454.2
2. Jack Powell1904 390.1
3. Al Orth1906 338.2
4. Carl Mays1921 336.2
5. Catfish Hunter1975 328.0
6. Jack Chesbro1906 325.0
7. Jack Chesbro1903 324.2
8. Carl Mays1920 312.0
9. Al Orth1905 305.1
10. Ray Caldwell1915 305.0
Strikeouts
1. Ron Guidry1978 248
2. Jack Chesbro1904 239
3. CC Sabathia2011 230
Luis Severino2017 230
5. David Cone1997 222
6. Luis Severino2018 220
7. Melido Perez1992 218
8. Al Downing1964 217
9. Mike Mussina2001 214
10. Roger Clemens2001 213
Games Started
1. Jack Chesbro1904 51
2. Jack Powell1904 45
3. Jack Chesbro1906 42
4. Pat Dobson1974 39
Whitey Ford1961 39
Catfish Hunter1975 39
Al Orth1906 39
Mel Stottlemyre1969 39
Ralph Terry1962 39
10. Jack Chesbro1905 38
Carl Mays1921 38
Doc Medich1974 38
George Pipgras1928 38
Mel Stottlemyre1973 38
Complete Games
1. Jack Chesbro1904 48
2. Jack Powell1904 38
3. Al Orth1906 36
4. Jack Chesbro1903 33
5. Ray Caldwell1915 31
6. Russ Ford1912 30
Catfish Hunter1975 30
Carl Mays1921 30
9. Russ Ford1910 29
10. Russ Ford1911 26
Carl Mays1920 26
Al Orth1905 26
Home Runs
1. Ralph Terry1962 40
2. Phil Hughes2012 35
Masahiro Tanaka2017 35
4. J.A. Happ2019 34
Orlando Hernandez2000 34
6. Javier Vazquez2004 33
7. Jim Bouton1964 32
Randy Johnson2005 32
Javier Vazquez2010 32
10. A.J. Burnett2011 31
Dennis Rasmussen1987 31
Bases on Balls
1. Tommy Byrne1949 179
2. Bob Turley1955 177
3. Tommy Byrne1950 160
4. Vic Raschi1949 138
Allie Reynolds1950 138
6. Monte Pearson1936 135
7. Bob Turley1958 128
8. Allie Reynolds1947 123
Allie Reynolds1949 123
10. Lefty Gomez1936 122
Hits
1. Jack Powell1904 340
2. Jack Chesbro1904 338
3. Carl Mays1921 332
4. Russ Ford1912 317
Al Orth1906 317
6. Jack Chesbro1906 314
George Pipgras1928 314
8. Carl Mays1920 310
9. Herb Pennock1924 302
10. Waite Hoyt1921 301
Strikeouts / Base On Balls
1. Michael Pineda2015 7.429
2. Masahiro Tanaka2014 6.714
3. Rudy May1982 6.071
4. Jon Lieber2004 5.667
5. David Wells1998 5.621
6. John Candelaria1988 5.261
7. Masahiro Tanaka2015 5.148
8. Mike Mussina2001 5.095
9. David Wells2003 5.050
10. Mike Mussina2006 4.914
Home Runs per 9 IP
1. Jack Warhop1910 0.037
2. Hippo Vaughn1910 0.041
3. Ray Keating1914 0.043
4. Bill Hogg1905 0.044
5. Ray Caldwell1912 0.049
6. Al Orth1906 0.053
7. Jack Chesbro1906 0.055
8. Barney Wolfe1903 0.061
9. Al Orth1907 0.072
10. Jack Warhop1909 0.074
Losses
1. Joe Lake1908 22
2. Russ Ford1912 21
Sad Sam Jones1925 21
Al Orth1907 21
5. Jack Chesbro1908 20
Mel Stottlemyre1966 20
7. Tim Leary1990 19
Jack Powell1904 19
Jack Warhop1912 19
10. Russ Ford1913 18
Mel Stottlemyre1972 18
Earned Runs
1. Sad Sam Jones1925 127
2. Lefty Gomez1932 124
3. David Cone2000 119
4. Catfish Hunter1976 117
5. Red Ruffing1931 116
Red Ruffing1936 116
7. Russ Ford1912 115
8. Randy Johnson2006 114
Carl Mays1921 114
Vic Raschi1950 114
Wild Pitches
1. A.J. Burnett2011 25
2. Tim Leary1990 23
3. A.J. Burnett2009 17
4. A.J. Burnett2010 16
Jason Grimsley2000 16
6. Greg Cadaret1990 14
Roger Clemens2001 14
Roger Clemens2002 14
David Cone1997 14
Al Downing1964 14
Bill Hogg1905 14
Hit By Pitch
1. Jack Warhop1909 26
2. A.J. Burnett2010 19
3. Rube Manning1908 18
Jack Warhop1910 18
5. Tommy Byrne1950 17
6. Jack Warhop1912 16
7. David Cone1998 15
Jack Warhop1911 15
9. Jack Chesbro1908 14
Rip Collins1920 14
Ivan Nova2013 14
Batters Faced
1. Jack Chesbro1904 1720
2. Jack Powell1904 1546
3. Carl Mays1921 1400
4. Al Orth1906 1331
5. Jack Chesbro1903 1309
6. Jack Chesbro1906 1308
7. George Pipgras1928 1298
8. Catfish Hunter1975 1294
9. Carl Mays1920 1268
10. Bob Shawkey1922 1253
Games Finished
1. Mariano Rivera2004 69
2. Dave Righetti1986 68
3. Mariano Rivera2005 67
4. Mariano Rivera2001 66
5. Mariano Rivera1999 63
6. Mariano Rivera2000 61
7. Sparky Lyle1977 60
Dave Righetti1985 60
Mariano Rivera2008 60
Mariano Rivera2013 60
Adjusted ERA+
1. Mariano Rivera1996 240
2. Sparky Lyle1974 215
3. Ron Guidry1978 208
4. Spud Chandler1943 198
5. Lefty Gomez1937 193
6. Carl Mays1919 192
7. Sparky Lyle1977 183
8. Rich Gossage1978 181
Marius Russo1939 181
10. Whitey Ford1958 177
Fielding Independent Pitching
1. Russ Ford1910 1.87
2. Mariano Rivera1996 1.88
3. Doc Newton1907 1.98
4. Rudy May1982 2.03
5. Jack Chesbro1904 2.11
6. Dave Righetti1981 2.12
7. Joe Lake1909 2.14
8. Jack Chesbro1907 2.18
Sparky Lyle1972 2.18
10. Ron Guidry1978 2.19
Adj. Pitching Runs
1. Lefty Gomez1937 67
2. Lefty Gomez1934 60
3. Ron Guidry1978 59
4. Herb Pennock1924 45
5. Jack Chesbro1904 43
Andy Pettitte1997 43
Red Ruffing1937 43
8. Spud Chandler1943 42
Catfish Hunter1975 42
Bob Shawkey1920 42
Adj. Pitching Wins
1. Lefty Gomez1937 6.8
Ron Guidry1978 6.8
3. Lefty Gomez1934 6.1
4. Spud Chandler1943 5.1
Jack Chesbro1904 5.1
6. Catfish Hunter1975 4.6
7. Whitey Ford1964 4.5
Herb Pennock1924 4.5
9. Spud Chandler1946 4.4
Bob Shawkey1920 4.4
Base-Out Runs Saved (RE24) †
1. Lefty Gomez1937 77.06
2. Lefty Gomez1934 65.70
3. Ron Guidry1978 64.05
4. Wilcy Moore1927 54.98
5. Bob Shawkey1922 53.57
6. Bob Shawkey1920 52.25
7. Catfish Hunter1975 51.56
8. Red Ruffing1937 50.48
9. Waite Hoyt1927 50.23
10. Red Ruffing1938 49.18
Win Probability Added (WPA) †
1. Wilcy Moore1927 8.7
2. Red Ruffing1939 5.9
3. Lefty Gomez1934 5.7
Lindy McDaniel1970 5.7
Herb Pennock1924 5.7
6. Spud Chandler1943 5.5
7. Mariano Rivera1996 5.4
8. Lefty Gomez1937 5.3
9. Ron Guidry1978 5.2
Allie Reynolds1952 5.2
Sit. Wins Saved (WPA/LI) †
1. Ron Guidry1978 6.5
2. Lefty Gomez1937 6.4
3. Lefty Gomez1934 6.1
4. Catfish Hunter1975 5.6
5. Wilcy Moore1927 4.7
Red Ruffing1937 4.7
7. Spud Chandler1943 4.6
8. Carl Mays1921 4.5
9. Mike Mussina2001 4.4
Andy Pettitte1997 4.4
Base-Out Wins Saved (REW) †
1. Lefty Gomez1937 8.1
2. Ron Guidry1978 7.6
3. Lefty Gomez1934 7.1
4. Catfish Hunter1975 5.8
5. Spud Chandler1943 5.7
Wilcy Moore1927 5.7
Bob Shawkey1922 5.7
8. Bob Shawkey1920 5.4
9. Whitey Ford1955 5.3
Waite Hoyt1927 5.3

Data Notes