Single-Season Top 10 Leaders

WAR for Pitchers †
1. Rube Waddell1904 11.3
2. Lefty Grove1930 10.4
Lefty Grove1931 10.4
4. Jack Coombs1910 9.5
Lefty Grove1932 9.5
6. Rube Waddell1905 9.4
7. Rube Waddell1902 9.1
8. Vida Blue1971 9.0
9. Eddie Plank1904 8.8
Bobby Shantz1952 8.8
Earned Run Average
1. Jack Coombs1910 1.30
2. Harry Krause1909 1.39
3. Rube Waddell1905 1.48
4. Cy Morgan1910 1.55
5. Charles Bender1910 1.58
6. Rube Waddell1904 1.62
7. Cy Morgan1909 1.65
8. Charles Bender1909 1.66
9. Eddie Plank1909 1.76
10. Vida Blue1971 1.82
Wins
1. Jack Coombs1910 31
Lefty Grove1931 31
3. Jack Coombs1911 28
Lefty Grove1930 28
5. Eddie Rommel1922 27
Rube Waddell1905 27
Bob Welch1990 27
8. Eddie Plank1904 26
Eddie Plank1912 26
10. Lefty Grove1932 25
Catfish Hunter1974 25
Rube Waddell1904 25
Win-Loss %
1. Lefty Grove1931 .886
2. Charles Bender1914 .850
3. Lefty Grove1930 .848
4. Charles Bender1910 .821
Barry Zito2002 .821
6. Bob Welch1990 .818
7. Eddie Plank1912 .813
8. Catfish Hunter1973 .808
9. Mike Fiers2019 .789
Roy Mahaffey1931 .789
Walks & Hits per IP
1. Catfish Hunter1972 0.914
2. Charles Bender1910 0.916
3. Harry Krause1909 0.939
4. Vida Blue1971 0.952
5. Charles Bender1909 0.964
6. Cy Morgan1909 0.975
7. Rube Waddell1905 0.977
8. Catfish Hunter1974 0.986
9. Charles Bender1907 0.998
10. Eddie Plank1908 1.014
Hits per 9 IP
1. Cy Morgan1909 5.983
2. Vida Blue1971 6.029
3. Catfish Hunter1972 6.095
4. Jack Coombs1910 6.323
5. Rube Waddell1905 6.326
6. Harry Krause1909 6.380
7. Charles Bender1910 6.552
8. Cy Morgan1910 6.626
9. Steve McCatty1981 6.786
10. Mike Norris1980 6.805
Bases On Balls per 9 IP
1. Catfish Hunter1974 1.301
2. Brandon McCarthy2011 1.318
3. Lum Harris1944 1.342
4. Eddie Rommel1928 1.347
5. Bartolo Colon2013 1.371
6. Charles Bender1907 1.395
7. Jack Quinn1928 1.448
8. Gil Heredia1999 1.527
9. Joe Blanton2007 1.565
10. Charles Bender1909 1.620
Strikeouts per 9 IP
1. Frankie Montas2021 9.963
2. Sean Manaea2021 9.736
3. Todd Stottlemyre1995 8.800
4. Gio Gonzalez2011 8.777
5. Vida Blue1971 8.683
6. Barry Zito2001 8.608
7. Rube Waddell1903 8.389
8. Rube Waddell1904 8.201
9. Jose Rijo1986 8.179
10. Rich Harden2004 7.924
Games Played
1. Billy Koch2002 84
2. John Wyatt1964 81
3. Yusmeiro Petit2019 80
4. Buddy Groom1997 78
Yusmeiro Petit2021 78
6. Rollie Fingers1974 76
Buddy Groom1999 76
8. Grant Balfour2012 75
Chad Bradford2002 75
Craig Breslow2010 75
Rollie Fingers1975 75
Buddy Groom1998 75
Liam Hendriks2019 75
Saves
1. Dennis Eckersley1992 51
2. Dennis Eckersley1990 48
3. Dennis Eckersley1988 45
4. Billy Koch2002 44
5. Dennis Eckersley1991 43
Keith Foulke2003 43
7. Grant Balfour2013 38
Blake Treinen2018 38
9. Huston Street2006 37
10. Bill Caudill1984 36
Dennis Eckersley1993 36
Innings Pitched
1. Rube Waddell1904 383.0
2. Eddie Plank1904 357.1
3. Jack Coombs1910 353.0
4. Eddie Plank1905 346.2
5. Eddie Plank1907 343.2
6. Jack Coombs1911 336.2
7. Eddie Plank1903 336.0
8. Scott Perry1918 332.1
9. Chick Fraser1901 331.0
10. Rube Waddell1905 328.2
Strikeouts
1. Rube Waddell1904 349
2. Rube Waddell1903 302
3. Vida Blue1971 301
4. Rube Waddell1905 287
5. Rube Waddell1907 232
6. Jack Coombs1910 224
7. Eddie Plank1905 210
Rube Waddell1902 210
9. Lefty Grove1930 209
10. Frankie Montas2021 207
Games Started
1. Rube Waddell1904 46
2. Eddie Plank1904 43
3. Catfish Hunter1974 41
Eddie Plank1905 41
5. Vida Blue1974 40
George Caster1938 40
Jack Coombs1911 40
Chuck Dobson1970 40
Ken Holtzman1973 40
Catfish Hunter1970 40
Eddie Plank1903 40
Eddie Plank1907 40
Complete Games
1. Rube Waddell1904 39
2. Eddie Plank1904 37
3. Jack Coombs1910 35
Chick Fraser1901 35
Eddie Plank1905 35
6. Rube Waddell1903 34
7. Eddie Plank1903 33
Eddie Plank1907 33
9. Weldon Henley1904 31
Elmer Myers1916 31
Eddie Plank1902 31
Home Runs
1. Orlando Pena1964 40
2. Catfish Hunter1973 39
3. Matt Keough1982 38
Curt Young1987 38
5. A.J. Griffin2013 36
6. Catfish Hunter1969 34
7. Rick Langford1982 33
8. Chuck Dobson1970 32
Catfish Hunter1970 32
10. Dan Haren2006 31
Ed Rakow1962 31
Bases on Balls
1. Elmer Myers1916 168
2. Weldon Wyckoff1915 165
3. Phil Marchildon1947 141
4. Phil Marchildon1942 140
5. George Earnshaw1930 139
6. Sugar Cain1933 137
7. Chick Fraser1901 132
8. Lefty Grove1925 131
Phil Marchildon1948 131
10. Bullet Joe Bush1916 130
Hits
1. Jack Coombs1911 360
2. Chick Fraser1901 344
3. Bill Bernhard1901 328
4. Eddie Plank1902 319
5. Eddie Plank1903 317
6. Eddie Rommel1921 312
7. Eddie Plank1904 311
8. George Caster1938 310
Scott Perry1920 310
10. Rube Waddell1904 307
Strikeouts / Base On Balls
1. Brandon McCarthy2011 4.920
2. Sean Manaea2021 4.732
3. Bartolo Colon2013 4.034
4. Dan Haren2006 3.911
5. Rube Waddell1904 3.835
6. Tommy Milone2012 3.806
7. Frankie Montas2021 3.632
8. Charles Bender1909 3.578
9. Rube Waddell1903 3.553
10. Joe Blanton2007 3.500
Home Runs per 9 IP
1. Scott Perry1918 0.027
2. Rube Waddell1906 0.033
Weldon Wyckoff1915 0.033
4. Eddie Plank1909 0.034
5. Eddie Plank1912 0.035
6. Charles Bender1909 0.036
Charles Bender1910 0.036
8. Eddie Plank1908 0.037
9. Charles Bender1907 0.041
10. Jimmy Dygert1906 0.042
Losses
1. Scott Perry1920 25
2. Bullet Joe Bush1916 24
3. Elmer Myers1916 23
Rollie Naylor1920 23
Eddie Rommel1921 23
6. Art Ditmar1956 22
Weldon Wyckoff1915 22
8. Lum Harris1943 21
Harry Kelley1937 21
10. Harry Byrd1953 20
George Caster1938 20
Slim Harriss1922 20
Alex Kellner1950 20
Brian Kingman1980 20
Jack Nabors1916 20
Bobo Newsom1945 20
Orlando Pena1963 20
Gordon Rhodes1936 20
Earned Runs
1. George Earnshaw1930 146
2. Harry Byrd1953 145
3. Nels Potter1939 144
4. Rube Walberg1932 143
5. Chick Fraser1901 140
6. Gordon Rhodes1936 138
7. Alex Kellner1950 137
8. George Caster1938 136
9. Matt Keough1982 133
10. Jack Coombs1911 132
Wild Pitches
1. Mike Moore1992 22
2. Mike Moore1989 17
Blue Moon Odom1968 17
4. Storm Davis1988 16
Stu Flythe1936 16
Rick Langford1979 16
7. Vida Blue1973 15
Bullet Joe Bush1916 15
Trevor Cahill2011 15
Sonny Gray2014 15
Sonny Gray2016 15
Blake Stein1998 15
Hit By Pitch
1. Chick Fraser1901 32
2. Charles Bender1903 25
3. Eddie Plank1905 24
4. Eddie Plank1903 23
5. Cy Morgan1911 21
6. Weldon Henley1904 19
Eddie Plank1904 19
8. Jimmy Dygert1907 18
Cy Morgan1910 18
Eddie Plank1902 18
Batters Faced
1. Rube Waddell1904 1496
2. Chick Fraser1901 1463
3. Eddie Plank1904 1427
4. Jack Coombs1911 1422
5. Eddie Plank1903 1363
6. Eddie Plank1905 1362
7. Jack Coombs1910 1353
8. Eddie Plank1907 1349
9. Scott Perry1918 1342
10. Elmer Myers1916 1310
Games Finished
1. Billy Koch2002 79
2. Keith Foulke2003 67
3. Dennis Eckersley1992 65
4. Bill Caudill1984 62
Rollie Fingers1976 62
6. Dennis Eckersley1990 61
7. Rollie Fingers1974 60
8. Dennis Eckersley1991 59
Rollie Fingers1975 59
10. Jay Howell1985 58
Billy Taylor1998 58
Blake Treinen2018 58
Adjusted ERA+
1. Lefty Grove1931 217
2. Lefty Grove1930 185
3. Chris Bassitt2020 183
Vida Blue1971 183
5. Jack Coombs1910 182
6. Rube Waddell1905 181
7. Rube Waddell1902 178
8. Harry Krause1909 174
9. Steve Ontiveros1994 167
Rube Waddell1904 167
Fielding Independent Pitching
1. Rube Waddell1907 1.57
2. Charles Bender1909 1.58
3. Rube Waddell1904 1.59
4. Charles Bender1907 1.72
Eddie Plank1908 1.72
6. Charles Bender1910 1.81
7. Rube Waddell1903 1.87
8. Rube Vickers1908 1.89
Rube Waddell1905 1.89
10. Harry Krause1909 1.91
Adj. Pitching Runs
1. Lefty Grove1931 74
2. Lefty Grove1930 68
3. Lefty Grove1932 57
4. Vida Blue1971 54
5. Rube Waddell1902 47
6. Jack Coombs1910 45
Tim Hudson2003 45
8. Mike Norris1980 43
Bobby Shantz1952 43
10. Lefty Grove1929 42
Adj. Pitching Wins
1. Lefty Grove1931 7.5
2. Lefty Grove1930 6.5
3. Vida Blue1971 6.4
4. Lefty Grove1932 5.7
5. Jack Coombs1910 5.3
6. Rube Waddell1902 4.9
7. Bobby Shantz1952 4.8
8. Rube Waddell1904 4.7
Rube Waddell1905 4.7
10. Tim Hudson2003 4.6
Mike Norris1980 4.6
Base-Out Runs Saved (RE24) †
1. Lefty Grove1931 87.84
2. Lefty Grove1930 81.84
3. Lefty Grove1932 74.22
4. Vida Blue1971 60.36
5. Lefty Grove1929 51.43
6. Lefty Grove1928 49.68
7. Mike Norris1980 49.43
8. Lefty Grove1926 46.04
9. Barry Zito2002 45.49
10. Bobby Shantz1952 44.15
Win Probability Added (WPA) †
1. Lefty Grove1931 11.8
2. Lefty Grove1930 9.8
3. Lefty Grove1932 7.7
4. Bobby Shantz1952 6.9
5. Mike Norris1980 6.7
6. Vida Blue1971 6.6
7. Blake Treinen2018 6.3
8. Vida Blue1976 5.7
9. Lefty Grove1927 5.6
Lefty Grove1928 5.6
Sit. Wins Saved (WPA/LI) †
1. Lefty Grove1931 8.0
2. Lefty Grove1930 6.6
3. Vida Blue1971 6.3
4. Lefty Grove1928 5.4
Lefty Grove1932 5.4
6. Mike Norris1980 5.3
7. Tim Hudson2003 4.8
8. Catfish Hunter1974 4.7
9. Vida Blue1976 4.2
Lefty Grove1929 4.2
Dave Stewart1990 4.2
Championship WPA (cWPA) †
1. Lefty Grove1931 20.1
2. Lefty Grove1930 18.7
3. Lefty Grove1929 12.0
4. Slim Harriss1925 9.4
5. Rube Walberg1929 7.4
6. Eddie Rommel1928 7.3
7. Rube Walberg1931 7.2
8. Dennis Eckersley1992 7.1
9. Vida Blue1971 6.9
10. George Earnshaw1929 6.5
Lefty Grove1932 6.5
Base-Out Wins Saved (REW) †
1. Lefty Grove1931 9.1
2. Lefty Grove1930 8.0
3. Vida Blue1971 7.4
Lefty Grove1932 7.4
5. Mike Norris1980 5.6
6. Lefty Grove1928 5.2
Lefty Grove1929 5.2
Catfish Hunter1974 5.2
9. Vida Blue1976 5.1
10. Bobby Shantz1952 4.8
Barry Zito2002 4.8

Data Notes