Single-Season Top 10 Leaders

WAR for Pitchers †
1. Rube Waddell • 1904 11.3
2. Lefty Grove • 1930 10.4
Lefty Grove • 1931 10.4
4. Jack Coombs • 1910 9.5
Lefty Grove • 1932 9.5
6. Rube Waddell • 1905 9.4
7. Rube Waddell • 1902 9.1
8. Vida Blue • 1971 9.0
9. Eddie Plank • 1904 8.8
Bobby Shantz • 1952 8.8
Earned Run Average
1. Jack Coombs • 1910 1.3
2. Harry Krause • 1909 1.39
3. Rube Waddell • 1905 1.48
4. Cy Morgan • 1910 1.55
5. Charles Bender • 1910 1.58
6. Rube Waddell • 1904 1.62
7. Cy Morgan • 1909 1.65
8. Charles Bender • 1909 1.66
9. Eddie Plank • 1909 1.76
10. Vida Blue • 1971 1.82
Wins
1. Jack Coombs • 1910 31
Lefty Grove • 1931 31
3. Jack Coombs • 1911 28
Lefty Grove • 1930 28
5. Eddie Rommel • 1922 27
Rube Waddell • 1905 27
Bob Welch • 1990 27
8. Eddie Plank • 1904 26
Eddie Plank • 1912 26
10. Lefty Grove • 1932 25
Catfish Hunter • 1974 25
Rube Waddell • 1904 25
Win-Loss %
1. Lefty Grove • 1931 .886
2. Charles Bender • 1914 .850
3. Lefty Grove • 1930 .848
4. Charles Bender • 1910 .821
Barry Zito • 2002 .821
6. Bob Welch • 1990 .818
7. Eddie Plank • 1912 .813
8. Catfish Hunter • 1973 .808
9. Mike Fiers • 2019 .789
Roy Mahaffey • 1931 .789
Walks & Hits per IP
1. Catfish Hunter • 1972 0.914
2. Charles Bender • 1910 0.916
3. Harry Krause • 1909 0.939
4. Vida Blue • 1971 0.952
5. Charles Bender • 1909 0.964
6. Cy Morgan • 1909 0.975
7. Rube Waddell • 1905 0.977
8. Catfish Hunter • 1974 0.986
9. Charles Bender • 1907 0.998
10. Eddie Plank • 1908 1.014
Hits per 9 IP
1. Cy Morgan • 1909 5.983
2. Vida Blue • 1971 6.029
3. Catfish Hunter • 1972 6.095
4. Jack Coombs • 1910 6.323
5. Rube Waddell • 1905 6.326
6. Harry Krause • 1909 6.380
7. Charles Bender • 1910 6.552
8. Cy Morgan • 1910 6.626
9. Steve McCatty • 1981 6.786
10. Mike Norris • 1980 6.805
Bases On Balls per 9 IP
1. Catfish Hunter • 1974 1.301
2. Brandon McCarthy • 2011 1.318
3. Lum Harris • 1944 1.342
4. Eddie Rommel • 1928 1.347
5. Bartolo Colón • 2013 1.371
6. Charles Bender • 1907 1.395
7. Jack Quinn • 1928 1.448
8. Gil Heredia • 1999 1.527
9. Joe Blanton • 2007 1.565
10. Charles Bender • 1909 1.620
Strikeouts per 9 IP
1. Frankie Montas • 2021 9.963
2. Sean Manaea • 2021 9.736
3. Todd Stottlemyre • 1995 8.800
4. Gio Gonzalez • 2011 8.777
5. Vida Blue • 1971 8.683
6. Barry Zito • 2001 8.608
7. JP Sears • 2023 8.408
8. Rube Waddell • 1903 8.389
9. Rube Waddell • 1904 8.201
10. José Rijo • 1986 8.179
Games Played
1. Billy Koch • 2002 84
2. John Wyatt • 1964 81
3. Yusmeiro Petit • 2019 80
4. T.J. McFarland • 2024 79
5. Buddy Groom • 1997 78
Yusmeiro Petit • 2021 78
7. Rollie Fingers • 1974 76
Buddy Groom • 1999 76
9. Grant Balfour • 2012 75
Chad Bradford • 2002 75
Craig Breslow • 2010 75
Rollie Fingers • 1975 75
Buddy Groom • 1998 75
Liam Hendriks • 2019 75
Saves
1. Dennis Eckersley • 1992 51
2. Dennis Eckersley • 1990 48
3. Dennis Eckersley • 1988 45
4. Billy Koch • 2002 44
5. Dennis Eckersley • 1991 43
Keith Foulke • 2003 43
7. Grant Balfour • 2013 38
Blake Treinen • 2018 38
9. Huston Street • 2006 37
10. Bill Caudill • 1984 36
Dennis Eckersley • 1993 36
Innings Pitched
1. Rube Waddell • 1904 383.0
2. Eddie Plank • 1904 357.1
3. Jack Coombs • 1910 353.0
4. Eddie Plank • 1905 346.2
5. Eddie Plank • 1907 343.2
6. Jack Coombs • 1911 336.2
7. Eddie Plank • 1903 336.0
8. Scott Perry • 1918 332.1
9. Chick Fraser • 1901 331.0
10. Rube Waddell • 1905 328.2
Strikeouts
1. Rube Waddell • 1904 349
2. Rube Waddell • 1903 302
3. Vida Blue • 1971 301
4. Rube Waddell • 1905 287
5. Rube Waddell • 1907 232
6. Jack Coombs • 1910 224
7. Eddie Plank • 1905 210
Rube Waddell • 1902 210
9. Lefty Grove • 1930 209
10. Frankie Montas • 2021 207
Games Started
1. Rube Waddell • 1904 46
2. Eddie Plank • 1904 43
3. Catfish Hunter • 1974 41
Eddie Plank • 1905 41
5. Vida Blue • 1974 40
George Caster • 1938 40
Jack Coombs • 1911 40
Chuck Dobson • 1970 40
Ken Holtzman • 1973 40
Catfish Hunter • 1970 40
Eddie Plank • 1903 40
Eddie Plank • 1907 40
Complete Games
1. Rube Waddell • 1904 39
2. Eddie Plank • 1904 37
3. Jack Coombs • 1910 35
Chick Fraser • 1901 35
Eddie Plank • 1905 35
6. Rube Waddell • 1903 34
7. Eddie Plank • 1903 33
Eddie Plank • 1907 33
9. Weldon Henley • 1904 31
Elmer Myers • 1916 31
Eddie Plank • 1902 31
Home Runs
1. Orlando Peña • 1964 40
2. Catfish Hunter • 1973 39
3. Matt Keough • 1982 38
Curt Young • 1987 38
5. A.J. Griffin • 2013 36
6. Catfish Hunter • 1969 34
JP Sears • 2023 34
8. Rick Langford • 1982 33
9. Chuck Dobson • 1970 32
Catfish Hunter • 1970 32
Bases on Balls
1. Elmer Myers • 1916 168
2. Weldon Wyckoff • 1915 165
3. Phil Marchildon • 1947 141
4. Phil Marchildon • 1942 140
5. George Earnshaw • 1930 139
6. Sugar Cain • 1933 137
7. Chick Fraser • 1901 132
8. Lefty Grove • 1925 131
Phil Marchildon • 1948 131
10. Bullet Joe Bush • 1916 130
Hits
1. Jack Coombs • 1911 360
2. Chick Fraser • 1901 344
3. Bill Bernhard • 1901 328
4. Eddie Plank • 1902 319
5. Eddie Plank • 1903 317
6. Eddie Rommel • 1921 312
7. Eddie Plank • 1904 311
8. George Caster • 1938 310
Scott Perry • 1920 310
10. Rube Waddell • 1904 307
Strikeouts / Base On Balls
1. Brandon McCarthy • 2011 4.92
2. Sean Manaea • 2021 4.732
3. Bartolo Colón • 2013 4.034
4. Dan Haren • 2006 3.911
5. Rube Waddell • 1904 3.835
6. Tommy Milone • 2012 3.806
7. Frankie Montas • 2021 3.632
8. Charles Bender • 1909 3.578
9. Cole Irvin • 2022 3.556
10. Rube Waddell • 1903 3.553
Home Runs per 9 IP
1. Scott Perry • 1918 0.027
2. Rube Waddell • 1906 0.033
Weldon Wyckoff • 1915 0.033
4. Eddie Plank • 1909 0.034
5. Eddie Plank • 1912 0.035
6. Charles Bender • 1909 0.036
Charles Bender • 1910 0.036
8. Eddie Plank • 1908 0.037
9. Charles Bender • 1907 0.041
10. Jimmy Dygert • 1906 0.042
Losses
1. Scott Perry • 1920 25
2. Bullet Joe Bush • 1916 24
3. Elmer Myers • 1916 23
Rollie Naylor • 1920 23
Eddie Rommel • 1921 23
6. Art Ditmar • 1956 22
Weldon Wyckoff • 1915 22
8. Lum Harris • 1943 21
Harry Kelley • 1937 21
10. Harry Byrd • 1953 20
George Caster • 1938 20
Slim Harriss • 1922 20
Alex Kellner • 1950 20
Brian Kingman • 1980 20
Jack Nabors • 1916 20
Bobo Newsom • 1945 20
Orlando Peña • 1963 20
Gordon Rhodes • 1936 20
Earned Runs
1. George Earnshaw • 1930 146
2. Harry Byrd • 1953 145
3. Nels Potter • 1939 144
4. Rube Walberg • 1932 143
5. Chick Fraser • 1901 140
6. Gordon Rhodes • 1936 138
7. Alex Kellner • 1950 137
8. George Caster • 1938 136
9. Matt Keough • 1982 133
10. Jack Coombs • 1911 132
Wild Pitches
1. Mike Moore • 1992 22
2. Mike Moore • 1989 17
Blue Moon Odom • 1968 17
4. Storm Davis • 1988 16
Stu Flythe • 1936 16
Rick Langford • 1979 16
7. Vida Blue • 1973 15
Bullet Joe Bush • 1916 15
Trevor Cahill • 2011 15
Sonny Gray • 2014 15
Sonny Gray • 2016 15
Blake Stein • 1998 15
Hit By Pitch
1. Chick Fraser • 1901 32
2. Charles Bender • 1903 25
3. Eddie Plank • 1905 24
4. Eddie Plank • 1903 23
5. Cy Morgan • 1911 21
6. Weldon Henley • 1904 19
Eddie Plank • 1904 19
8. Jimmy Dygert • 1907 18
Cy Morgan • 1910 18
Eddie Plank • 1902 18
Batters Faced
1. Rube Waddell • 1904 1496
2. Chick Fraser • 1901 1463
3. Eddie Plank • 1904 1427
4. Jack Coombs • 1911 1422
5. Eddie Plank • 1903 1363
6. Eddie Plank • 1905 1362
7. Jack Coombs • 1910 1353
8. Eddie Plank • 1907 1349
9. Scott Perry • 1918 1342
10. Elmer Myers • 1916 1310
Games Finished
1. Billy Koch • 2002 79
2. Keith Foulke • 2003 67
3. Dennis Eckersley • 1992 65
4. Bill Caudill • 1984 62
Rollie Fingers • 1976 62
6. Dennis Eckersley • 1990 61
7. Rollie Fingers • 1974 60
8. Dennis Eckersley • 1991 59
Rollie Fingers • 1975 59
10. Jay Howell • 1985 58
Billy Taylor • 1998 58
Blake Treinen • 2018 58
Adjusted ERA+
1. Lefty Grove • 1931 217
2. Lefty Grove • 1930 185
3. Chris Bassitt • 2020 183
Vida Blue • 1971 183
5. Jack Coombs • 1910 182
6. Rube Waddell • 1905 181
7. Rube Waddell • 1902 178
8. Harry Krause • 1909 174
9. Steve Ontiveros • 1994 167
Rube Waddell • 1904 167
Fielding Independent Pitching
1. Rube Waddell • 1907 1.57
2. Charles Bender • 1909 1.58
3. Rube Waddell • 1904 1.59
4. Charles Bender • 1907 1.72
Eddie Plank • 1908 1.72
6. Charles Bender • 1910 1.81
7. Rube Waddell • 1903 1.87
8. Rube Vickers • 1908 1.89
Rube Waddell • 1905 1.89
10. Harry Krause • 1909 1.91
Adj. Pitching Runs
1. Lefty Grove • 1931 74
2. Lefty Grove • 1930 68
3. Lefty Grove • 1932 57
4. Vida Blue • 1971 54
5. Rube Waddell • 1902 47
6. Jack Coombs • 1910 45
Tim Hudson • 2003 45
8. Mike Norris • 1980 43
Bobby Shantz • 1952 43
10. Lefty Grove • 1929 42
Adj. Pitching Wins
1. Lefty Grove • 1931 7.5
2. Lefty Grove • 1930 6.5
3. Vida Blue • 1971 6.4
4. Lefty Grove • 1932 5.7
5. Jack Coombs • 1910 5.3
6. Rube Waddell • 1902 4.9
7. Bobby Shantz • 1952 4.8
8. Rube Waddell • 1904 4.7
Rube Waddell • 1905 4.7
10. Tim Hudson • 2003 4.6
Mike Norris • 1980 4.6
Base-Out Runs Saved (RE24) †
1. Lefty Grove • 1931 87.84
2. Lefty Grove • 1930 81.84
3. Lefty Grove • 1932 74.22
4. Vida Blue • 1971 60.36
5. Lefty Grove • 1929 51.43
6. Lefty Grove • 1928 49.68
7. Lefty Grove • 1926 49.48
8. Mike Norris • 1980 49.43
9. Barry Zito • 2002 45.49
10. Bobby Shantz • 1952 44.15
Win Probability Added (WPA) †
1. Lefty Grove • 1931 11.8
2. Lefty Grove • 1930 9.8
3. Lefty Grove • 1932 7.7
4. Bobby Shantz • 1952 6.9
5. Mike Norris • 1980 6.7
6. Vida Blue • 1971 6.6
7. Eddie Plank • 1912 6.5
8. Blake Treinen • 2018 6.3
9. Lefty Grove • 1927 5.9
10. Vida Blue • 1976 5.7
Sit. Wins Saved (WPA/LI) †
1. Lefty Grove • 1931 8.0
2. Lefty Grove • 1930 6.5
3. Vida Blue • 1971 6.3
4. Lefty Grove • 1928 5.4
Lefty Grove • 1932 5.4
6. Mike Norris • 1980 5.3
7. Tim Hudson • 2003 4.8
8. Catfish Hunter • 1974 4.7
9. Vida Blue • 1976 4.2
Lefty Grove • 1929 4.2
Dave Stewart • 1990 4.2
Championship WPA (cWPA) †
1. Lefty Grove • 1931 20.1
2. Lefty Grove • 1930 18.7
3. Lefty Grove • 1929 12.0
4. Slim Harriss • 1925 9.3
5. Rube Walberg • 1925 8.3
6. Sam Gray • 1925 7.6
7. Rube Walberg • 1929 7.4
8. Eddie Rommel • 1928 7.3
9. Dennis Eckersley • 1992 7.1
Rube Walberg • 1931 7.1
Base-Out Wins Saved (REW) †
1. Lefty Grove • 1931 9.1
2. Lefty Grove • 1930 8.0
3. Vida Blue • 1971 7.4
Lefty Grove • 1932 7.4
5. Mike Norris • 1980 5.6
6. Lefty Grove • 1928 5.2
Lefty Grove • 1929 5.2
Catfish Hunter • 1974 5.2
9. Vida Blue • 1976 5.1
10. Lefty Grove • 1926 5.0

Data Notes