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You Are Here > Baseball-Reference.com > Leaders & Records > Single-Season Leaders & Records for Wins
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Single-Season Leaders & Records for Wins
+ - Indicates Hall of Famer. Bold indicates active player.
Only players who finished in the top 40 for the majors in a season will appear on this list. Leaders from the current season are only included for rate stats after July 1st.
| Rank | Player (age that year) | Wins | Year | Throws |
|---|---|---|---|---|
| 1. | Charley Radbourn+ (29) | 59 | 1884 | R |
| 2. | John Clarkson+ (23) | 53 | 1885 | R |
| 3. | Guy Hecker (28) | 52 | 1884 | R |
| 4. | John Clarkson+ (27) | 49 | 1889 | R |
| 5. | Charlie Buffinton (23) | 48 | 1884 | R |
| Charley Radbourn+ (28) | 48 | 1883 | R | |
| 7. | Al Spalding+ (25) | 47 | 1876 | R |
| John Ward+ (19) | 47 | 1879 | R | |
| 9. | Pud Galvin+ (26) | 46 | 1883 | R |
| Pud Galvin+ (27) | 46 | 1884 | R | |
| Matt Kilroy (21) | 46 | 1887 | L | |
| 12. | George Bradley (23) | 45 | 1876 | R |
| Silver King (20) | 45 | 1888 | R | |
| Jim McCormick (23) | 45 | 1880 | R | |
| 15. | Bill Hutchison (31) | 44 | 1891 | R |
| Mickey Welch+ (25) | 44 | 1885 | R | |
| 17. | Tommy Bond (23) | 43 | 1879 | R |
| Larry Corcoran (20) | 43 | 1880 | R | |
| Billy Taylor (29) | 43 | 1884 | R | |
| Will White (24) | 43 | 1879 | R | |
| Will White (28) | 43 | 1883 | R | |
| 22. | Lady Baldwin (27) | 42 | 1886 | L |
| Bill Hutchison (30) | 42 | 1890 | R | |
| Tim Keefe+ (29) | 42 | 1886 | R | |
| 25. | Jack Chesbro+ (30) | 41 | 1904 | R |
| Dave Foutz (29) | 41 | 1886 | R | |
| Tim Keefe+ (26) | 41 | 1883 | R | |
| Ed Morris (23) | 41 | 1886 | L | |
| Charlie Sweeney (21) | 41 | 1884 | R | |
| 30. | Tommy Bond (21) | 40 | 1877 | R |
| Tommy Bond (22) | 40 | 1878 | R | |
| Bob Caruthers (21) | 40 | 1885 | R | |
| Bob Caruthers (25) | 40 | 1889 | R | |
| Jim McCormick (27) | 40 | 1884 | R | |
| Bill Sweeney () | 40 | 1884 | R | |
| Ed Walsh+ (27) | 40 | 1908 | R | |
| Will White (27) | 40 | 1882 | R | |
| 38. | Ed Morris (22) | 39 | 1885 | L |
| John Ward+ (20) | 39 | 1880 | R | |
| Mickey Welch+ (24) | 39 | 1884 | R | |
| 41. | John Clarkson+ (25) | 38 | 1887 | R |
| Kid Gleason (23) | 38 | 1890 | R | |
| Toad Ramsey (21) | 38 | 1886 | L | |
| 44. | Pud Galvin+ (22) | 37 | 1879 | R |
| Tim Keefe+ (27) | 37 | 1884 | R | |
| Jack Lynch (27) | 37 | 1884 | R | |
| Christy Mathewson+ (27) | 37 | 1908 | R | |
| Toad Ramsey (22) | 37 | 1887 | L | |
| Jim Whitney (25) | 37 | 1883 | R | |
| 50. | John Clarkson+ (24) | 36 | 1886 | R |
| Rank | Player (age that year) | Wins | Year | Throws |
| Bill Hutchison (32) | 36 | 1892 | R | |
| Walter Johnson+ (25) | 36 | 1913 | R | |
| Frank Killen (22) | 36 | 1893 | L | |
| Jim McCormick (25) | 36 | 1882 | R | |
| Sadie McMahon (22) | 36 | 1890 | R | |
| Tony Mullane (25) | 36 | 1884 | R | |
| Amos Rusie+ (23) | 36 | 1894 | R | |
| Cy Young+ (25) | 36 | 1892 | R | |
| 59. | Larry Corcoran (24) | 35 | 1884 | R |
| Jim Devlin (28) | 35 | 1877 | R | |
| Tim Keefe+ (30) | 35 | 1887 | R | |
| Tim Keefe+ (31) | 35 | 1888 | R | |
| Joe McGinnity+ (33) | 35 | 1904 | R | |
| Sadie McMahon (23) | 35 | 1891 | R | |
| Tony Mullane (24) | 35 | 1883 | R | |
| Kid Nichols+ (22) | 35 | 1892 | R | |
| Ed Seward (21) | 35 | 1888 | R | |
| Jack Stivetts (24) | 35 | 1892 | R | |
| Cy Young+ (28) | 35 | 1895 | R | |
| 70. | Mark Baldwin (26) | 34 | 1890 | R |
| Elton Chamberlain (21) | 34 | 1889 | R | |
| Larry Corcoran (23) | 34 | 1883 | R | |
| George Haddock (24) | 34 | 1891 | R | |
| Silver King (21) | 34 | 1889 | R | |
| Ed Morris (21) | 34 | 1884 | L | |
| Kid Nichols+ (23) | 34 | 1893 | R | |
| Elmer Smith (19) | 34 | 1887 | L | |
| Scott Stratton (20) | 34 | 1890 | R | |
| Mickey Welch+ (20) | 34 | 1880 | R | |
| Will White (29) | 34 | 1884 | R | |
| Joe Wood (22) | 34 | 1912 | R | |
| Cy Young+ (26) | 34 | 1893 | R | |
| 83. | Pete Alexander+ (29) | 33 | 1916 | R |
| John Clarkson+ (26) | 33 | 1888 | R | |
| John Clarkson+ (29) | 33 | 1891 | R | |
| Dave Foutz (28) | 33 | 1885 | R | |
| Walter Johnson+ (24) | 33 | 1912 | R | |
| Christy Mathewson+ (23) | 33 | 1904 | R | |
| Jouett Meekin (27) | 33 | 1894 | R | |
| Tony Mullane (27) | 33 | 1886 | R | |
| Henry Porter (27) | 33 | 1885 | R | |
| Charley Radbourn+ (27) | 33 | 1882 | R | |
| Amos Rusie+ (20) | 33 | 1891 | R | |
| Amos Rusie+ (22) | 33 | 1893 | R | |
| Jack Stivetts (23) | 33 | 1891 | R | |
| Mickey Welch+ (26) | 33 | 1886 | R | |
| Cy Young+ (34) | 33 | 1901 | R | |
| 98. | Jesse Duryea (29) | 32 | 1889 | R |
| Bob Emslie (25) | 32 | 1884 | R | |
| Tim Keefe+ (28) | 32 | 1885 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Silver King (19) | 32 | 1887 | R | |
| Kid Nichols+ (24) | 32 | 1894 | R | |
| Lee Richmond (23) | 32 | 1880 | L | |
| Gus Weyhing (25) | 32 | 1892 | R | |
| Cy Young+ (35) | 32 | 1902 | R | |
| 106. | Pete Alexander+ (28) | 31 | 1915 | R |
| Jim Bagby (30) | 31 | 1920 | R | |
| Tommy Bond (20) | 31 | 1876 | R | |
| Jack Coombs (27) | 31 | 1910 | R | |
| Larry Corcoran (21) | 31 | 1881 | R | |
| Lefty Grove+ (31) | 31 | 1931 | L | |
| Pink Hawley (22) | 31 | 1895 | R | |
| Bill Hoffer (24) | 31 | 1895 | R | |
| Terry Larkin () | 31 | 1879 | R | |
| Christy Mathewson+ (24) | 31 | 1905 | R | |
| Jim McCormick (29) | 31 | 1886 | R | |
| Joe McGinnity+ (32) | 31 | 1903 | R | |
| Denny McLain (24) | 31 | 1968 | R | |
| Tony Mullane (28) | 31 | 1887 | R | |
| Kid Nichols+ (27) | 31 | 1897 | R | |
| Kid Nichols+ (28) | 31 | 1898 | R | |
| Amos Rusie+ (21) | 31 | 1892 | R | |
| Gus Weyhing (24) | 31 | 1891 | R | |
| Jim Whitney (23) | 31 | 1881 | R | |
| 125. | Pete Alexander+ (30) | 30 | 1917 | R |
| Bob Caruthers (22) | 30 | 1886 | R | |
| Pete Conway (21) | 30 | 1888 | R | |
| Dizzy Dean+ (24) | 30 | 1934 | R | |
| Jim Devlin (27) | 30 | 1876 | R | |
| Charlie Ferguson (23) | 30 | 1886 | R | |
| Hank Gastright (25) | 30 | 1890 | R | |
| Charlie Getzien (22) | 30 | 1886 | R | |
| Guy Hecker (29) | 30 | 1885 | R | |
| Frank Killen (25) | 30 | 1896 | L | |
| Silver King (22) | 30 | 1890 | R | |
| Tom Lovett (26) | 30 | 1890 | ||
| Bobby Mathews (31) | 30 | 1883 | R | |
| Bobby Mathews (32) | 30 | 1884 | R | |
| Bobby Mathews (33) | 30 | 1885 | R | |
| Christy Mathewson+ (22) | 30 | 1903 | R | |
| Tony Mullane (23) | 30 | 1882 | R | |
| Kid Nichols+ (21) | 30 | 1891 | R | |
| Kid Nichols+ (26) | 30 | 1896 | R | |
| Dupee Shaw (25) | 30 | 1884 | L | |
| Gus Weyhing (22) | 30 | 1889 | R | |
| Gus Weyhing (23) | 30 | 1890 | R | |
| Will White (23) | 30 | 1878 | R | |
| 148. | Mordecai Brown+ (31) | 29 | 1908 | R |
| Charlie Buffinton (30) | 29 | 1891 | R | |
| Bob Caruthers (23) | 29 | 1887 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Bob Caruthers (24) | 29 | 1888 | R | |
| Eddie Cicotte (35) | 29 | 1919 | R | |
| George Derby (23) | 29 | 1881 | R | |
| Pud Galvin+ (29) | 29 | 1886 | R | |
| Charlie Getzien (23) | 29 | 1887 | R | |
| George Haddock (25) | 29 | 1892 | R | |
| Claude Hendrix (25) | 29 | 1914 | R | |
| Frank Killen (21) | 29 | 1892 | L | |
| Matt Kilroy (20) | 29 | 1886 | L | |
| Matt Kilroy (23) | 29 | 1889 | L | |
| Terry Larkin () | 29 | 1877 | R | |
| Terry Larkin () | 29 | 1878 | R | |
| Ed Morris (25) | 29 | 1888 | L | |
| George Mullin (28) | 29 | 1909 | R | |
| Hal Newhouser+ (23) | 29 | 1944 | L | |
| Amos Rusie+ (19) | 29 | 1890 | R | |
| 167. | Pete Alexander+ (24) | 28 | 1911 | R |
| Bob Barr (33) | 28 | 1890 | R | |
| Charlie Buffinton (27) | 28 | 1888 | R | |
| Charlie Buffinton (28) | 28 | 1889 | R | |
| Dan Casey (24) | 28 | 1887 | L | |
| Jack Chesbro+ (28) | 28 | 1902 | R | |
| Eddie Cicotte (33) | 28 | 1917 | R | |
| Jack Coombs (28) | 28 | 1911 | R | |
| Bert Cunningham (32) | 28 | 1898 | R | |
| Nig Cuppy (22) | 28 | 1892 | R | |
| Hugh Daily (36) | 28 | 1884 | R | |
| Dizzy Dean+ (25) | 28 | 1935 | R | |
| Pud Galvin+ (24) | 28 | 1881 | R | |
| Pud Galvin+ (25) | 28 | 1882 | R | |
| Pud Galvin+ (30) | 28 | 1887 | R | |
| Fred Goldsmith (26) | 28 | 1882 | R | |
| Lefty Grove+ (30) | 28 | 1930 | L | |
| Jay Hughes (25) | 28 | 1899 | R | |
| Walter Johnson+ (26) | 28 | 1914 | R | |
| Tim Keefe+ (32) | 28 | 1889 | R | |
| Phil Knell (26) | 28 | 1891 | L | |
| Jim McCormick (26) | 28 | 1883 | R | |
| Joe McGinnity+ (28) | 28 | 1899 | R | |
| Joe McGinnity+ (29) | 28 | 1900 | R | |
| Jumbo McGinnis (29) | 28 | 1883 | ||
| Charley Radbourn+ (30) | 28 | 1885 | R | |
| Billy Rhines (21) | 28 | 1890 | R | |
| Robin Roberts+ (25) | 28 | 1952 | R | |
| Amos Rusie+ (26) | 28 | 1897 | R | |
| Dazzy Vance+ (33) | 28 | 1924 | R | |
| Gus Weyhing (21) | 28 | 1888 | R | |
| Cy Young+ (29) | 28 | 1896 | R | |
| Cy Young+ (36) | 28 | 1903 | R | |
| 200. | Pete Alexander+ (27) | 27 | 1914 | R |
| Rank | Player (age that year) | Wins | Year | Throws |
| Pete Alexander+ (33) | 27 | 1920 | R | |
| Mark Baldwin (25) | 27 | 1889 | R | |
| Ted Breitenstein (25) | 27 | 1894 | L | |
| Mordecai Brown+ (32) | 27 | 1909 | R | |
| Steve Carlton+ (27) | 27 | 1972 | L | |
| Larry Corcoran (22) | 27 | 1882 | R | |
| Bob Feller+ (21) | 27 | 1940 | R | |
| Pink Hawley (25) | 27 | 1898 | R | |
| Hardie Henderson (21) | 27 | 1884 | R | |
| Walter Johnson+ (27) | 27 | 1915 | R | |
| Addie Joss+ (27) | 27 | 1907 | R | |
| Sandy Koufax+ (30) | 27 | 1966 | L | |
| Dolf Luque (32) | 27 | 1923 | R | |
| Christy Mathewson+ (29) | 27 | 1910 | R | |
| Carl Mays (29) | 27 | 1921 | R | |
| Joe McGinnity+ (35) | 27 | 1906 | R | |
| Doc McJames (23) | 27 | 1898 | R | |
| Don Newcombe (30) | 27 | 1956 | R | |
| Kid Nichols+ (20) | 27 | 1890 | R | |
| Al Orth (33) | 27 | 1906 | R | |
| Togie Pittinger (30) | 27 | 1902 | R | |
| Henry Porter (28) | 27 | 1886 | R | |
| Charley Radbourn+ (31) | 27 | 1886 | R | |
| Charley Radbourn+ (35) | 27 | 1890 | R | |
| Eddie Rommel (24) | 27 | 1922 | R | |
| Tom Seaton (25) | 27 | 1913 | R | |
| Urban Shocker (30) | 27 | 1921 | R | |
| Ed Stein (22) | 27 | 1892 | R | |
| Jack Stivetts (22) | 27 | 1890 | R | |
| Dizzy Trout (29) | 27 | 1944 | R | |
| George Uhle (27) | 27 | 1926 | R | |
| Lee Viau (21) | 27 | 1888 | R | |
| Rube Waddell+ (28) | 27 | 1905 | L | |
| Ed Walsh+ (30) | 27 | 1911 | R | |
| Ed Walsh+ (31) | 27 | 1912 | R | |
| Bucky Walters (30) | 27 | 1939 | R | |
| Bob Welch (33) | 27 | 1990 | R | |
| Mickey Welch+ (29) | 27 | 1889 | R | |
| Doc White (28) | 27 | 1907 | L | |
| Vic Willis+ (23) | 27 | 1899 | R | |
| Vic Willis+ (26) | 27 | 1902 | R | |
| Cy Young+ (24) | 27 | 1891 | R | |
| 243. | Mark Baldwin (28) | 26 | 1892 | R |
| Tommy Bond (24) | 26 | 1880 | R | |
| Mordecai Brown+ (29) | 26 | 1906 | R | |
| Joe Bush (29) | 26 | 1922 | R | |
| Larry Cheney (26) | 26 | 1912 | R | |
| John Clarkson+ (28) | 26 | 1890 | R | |
| Alvin Crowder (33) | 26 | 1932 | R | |
| Nig Cuppy (25) | 26 | 1895 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Ed Daily (22) | 26 | 1885 | R | |
| Bob Feller+ (27) | 26 | 1946 | R | |
| Charlie Ferguson (22) | 26 | 1885 | R | |
| Russ Ford (27) | 26 | 1910 | R | |
| Lefty Gomez+ (25) | 26 | 1934 | L | |
| Clark Griffith+ (25) | 26 | 1895 | R | |
| Guy Hecker (27) | 26 | 1883 | R | |
| Guy Hecker (30) | 26 | 1886 | R | |
| Carl Hubbell+ (33) | 26 | 1936 | L | |
| Bill James (22) | 26 | 1914 | R | |
| Fred Klobedanz (26) | 26 | 1897 | L | |
| Sandy Koufax+ (29) | 26 | 1965 | L | |
| Ted Lewis (25) | 26 | 1898 | R | |
| Juan Marichal+ (30) | 26 | 1968 | R | |
| Rube Marquard+ (25) | 26 | 1912 | L | |
| Christy Mathewson+ (30) | 26 | 1911 | R | |
| Carl Mays (28) | 26 | 1920 | R | |
| Jim McCormick (24) | 26 | 1881 | R | |
| Joe McGinnity+ (30) | 26 | 1901 | R | |
| Jouett Meekin (29) | 26 | 1896 | R | |
| Frank Mountain (23) | 26 | 1883 | R | |
| Tony Mullane (29) | 26 | 1888 | R | |
| Hal Newhouser+ (25) | 26 | 1946 | L | |
| Kid Nichols+ (25) | 26 | 1895 | R | |
| Eddie Plank+ (28) | 26 | 1904 | L | |
| Eddie Plank+ (36) | 26 | 1912 | L | |
| Jack Quinn (30) | 26 | 1914 | R | |
| Charley Root (28) | 26 | 1927 | R | |
| Dick Rudolph (26) | 26 | 1914 | R | |
| Ed Stein (24) | 26 | 1894 | R | |
| Jack Stivetts (26) | 26 | 1894 | R | |
| Jack Taylor (22) | 26 | 1895 | R | |
| Adonis Terry (25) | 26 | 1890 | R | |
| Jeff Tesreau (26) | 26 | 1914 | R | |
| George Uhle (24) | 26 | 1923 | R | |
| Sam Weaver (26) | 26 | 1882 | R | |
| Sam Weaver (27) | 26 | 1883 | R | |
| Mickey Welch+ (28) | 26 | 1888 | R | |
| Gus Weyhing (20) | 26 | 1887 | R | |
| Cy Young+ (27) | 26 | 1894 | R | |
| Cy Young+ (32) | 26 | 1899 | R | |
| Cy Young+ (37) | 26 | 1904 | R | |
| 293. | Al Atkinson (25) | 25 | 1886 | R |
| Jersey Bakely (24) | 25 | 1888 | R | |
| Jesse Barnes (26) | 25 | 1919 | R | |
| Larry Benton (30) | 25 | 1928 | R | |
| George Bradley (31) | 25 | 1884 | R | |
| Mordecai Brown+ (33) | 25 | 1910 | R | |
| Charlie Buffinton (22) | 25 | 1883 | R | |
| Howie Camnitz (27) | 25 | 1909 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Elton Chamberlain (20) | 25 | 1888 | R | |
| John Clarkson+ (30) | 25 | 1892 | R | |
| Nig Cuppy (26) | 25 | 1896 | R | |
| Paul Derringer (32) | 25 | 1939 | R | |
| Bill Donovan (24) | 25 | 1901 | R | |
| Bill Donovan (30) | 25 | 1907 | R | |
| Don Drysdale+ (25) | 25 | 1962 | R | |
| Red Ehret (21) | 25 | 1890 | R | |
| Red Faber+ (32) | 25 | 1921 | R | |
| Cy Falkenberg (33) | 25 | 1914 | R | |
| Bob Feller+ (22) | 25 | 1941 | R | |
| Wes Ferrell (22) | 25 | 1930 | R | |
| Wes Ferrell (27) | 25 | 1935 | R | |
| Dave Ferriss (24) | 25 | 1946 | R | |
| Whitey Ford+ (32) | 25 | 1961 | L | |
| Dave Foutz (30) | 25 | 1887 | R | |
| Fred Goldsmith (27) | 25 | 1883 | R | |
| Burleigh Grimes+ (34) | 25 | 1928 | R | |
| Lefty Grove+ (32) | 25 | 1932 | L | |
| Ron Guidry (27) | 25 | 1978 | L | |
| Hardie Henderson (22) | 25 | 1885 | R | |
| Bill Hoffer (25) | 25 | 1896 | R | |
| Nat Hudson (29) | 25 | 1888 | R | |
| Mickey Hughes (21) | 25 | 1888 | R | |
| Catfish Hunter+ (28) | 25 | 1974 | R | |
| Fergie Jenkins+ (31) | 25 | 1974 | R | |
| Walter Johnson+ (22) | 25 | 1910 | R | |
| Walter Johnson+ (23) | 25 | 1911 | R | |
| Walter Johnson+ (28) | 25 | 1916 | R | |
| Jim Kaat (27) | 25 | 1966 | L | |
| Brickyard Kennedy (25) | 25 | 1893 | R | |
| Ed Killian (30) | 25 | 1907 | L | |
| Sandy Koufax+ (27) | 25 | 1963 | L | |
| Gus Krock (22) | 25 | 1888 | L | |
| Sam Leever (31) | 25 | 1903 | R | |
| Mickey Lolich (30) | 25 | 1971 | L | |
| Juan Marichal+ (25) | 25 | 1963 | R | |
| Juan Marichal+ (28) | 25 | 1966 | R | |
| Christy Mathewson+ (28) | 25 | 1909 | R | |
| Christy Mathewson+ (32) | 25 | 1913 | R | |
| George McConnell (37) | 25 | 1915 | R | |
| Jumbo McGinnis (28) | 25 | 1882 | ||
| Sadie McMahon (26) | 25 | 1894 | R | |
| Win Mercer (22) | 25 | 1896 | R | |
| Johnny Morrison (27) | 25 | 1923 | R | |
| Hal Newhouser+ (24) | 25 | 1945 | L | |
| Mel Parnell (27) | 25 | 1949 | L | |
| Jeff Pfeffer (28) | 25 | 1916 | R | |
| Deacon Phillippe (31) | 25 | 1903 | R | |
| Charley Radbourn+ (26) | 25 | 1881 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Lee Richmond (24) | 25 | 1881 | L | |
| Eppa Rixey+ (31) | 25 | 1922 | L | |
| Tom Seaton (26) | 25 | 1914 | R | |
| Tom Seaver+ (24) | 25 | 1969 | R | |
| Ed Seward (20) | 25 | 1887 | R | |
| Cy Seymour (25) | 25 | 1898 | L | |
| Frank Smith (29) | 25 | 1909 | R | |
| Phenomenal Smith (22) | 25 | 1887 | L | |
| Steve Stone (32) | 25 | 1980 | R | |
| Jesse Tannehill (23) | 25 | 1898 | L | |
| Rube Waddell+ (27) | 25 | 1904 | L | |
| Mickey Welch+ (23) | 25 | 1883 | R | |
| Stump Wiedman (21) | 25 | 1882 | R | |
| Vic Willis+ (22) | 25 | 1898 | R | |
| Cy Young+ (31) | 25 | 1898 | R | |
| 366. | Vida Blue (21) | 24 | 1971 | L |
| Ron Bryant (25) | 24 | 1973 | L | |
| Steve Carlton+ (35) | 24 | 1980 | L | |
| Kid Carsey (24) | 24 | 1895 | R | |
| Dan Casey (23) | 24 | 1886 | L | |
| Roger Clemens (23) | 24 | 1986 | R | |
| Tony Cloninger (24) | 24 | 1965 | R | |
| Wilbur Cooper (28) | 24 | 1920 | L | |
| Joe Corbett (21) | 24 | 1897 | R | |
| Stan Coveleski+ (29) | 24 | 1919 | R | |
| Stan Coveleski+ (30) | 24 | 1920 | R | |
| Alvin Crowder (34) | 24 | 1933 | R | |
| Mike Cuellar (33) | 24 | 1970 | L | |
| Nig Cuppy (24) | 24 | 1894 | R | |
| Hooks Dauss (25) | 24 | 1915 | R | |
| Dizzy Dean+ (26) | 24 | 1936 | R | |
| Frank Dwyer (28) | 24 | 1896 | R | |
| George Earnshaw (29) | 24 | 1929 | R | |
| Red Faber+ (26) | 24 | 1915 | R | |
| Bob Feller+ (20) | 24 | 1939 | R | |
| Whitey Ford+ (34) | 24 | 1963 | L | |
| Kid Gleason (24) | 24 | 1891 | R | |
| Fred Goldsmith (25) | 24 | 1881 | R | |
| Lefty Gomez+ (23) | 24 | 1932 | L | |
| Dwight Gooden (20) | 24 | 1985 | R | |
| Clark Griffith+ (28) | 24 | 1898 | R | |
| Clark Griffith+ (31) | 24 | 1901 | R | |
| Bob Groom (27) | 24 | 1912 | R | |
| Lefty Grove+ (28) | 24 | 1928 | L | |
| Lefty Grove+ (33) | 24 | 1933 | L | |
| Jesse Haines+ (33) | 24 | 1927 | R | |
| Claude Hendrix (23) | 24 | 1912 | R | |
| La Marr Hoyt (28) | 24 | 1983 | R | |
| Larry Jackson (33) | 24 | 1964 | R | |
| Fergie Jenkins+ (28) | 24 | 1971 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Randy Johnson (38) | 24 | 2002 | L | |
| Addie Joss+ (28) | 24 | 1908 | R | |
| Brickyard Kennedy (26) | 24 | 1894 | R | |
| Rube Marquard+ (24) | 24 | 1911 | L | |
| Christy Mathewson+ (26) | 24 | 1907 | R | |
| Christy Mathewson+ (33) | 24 | 1914 | R | |
| Jumbo McGinnis (30) | 24 | 1884 | ||
| Denny McLain (25) | 24 | 1969 | R | |
| Dave McNally (27) | 24 | 1970 | L | |
| Gaylord Perry+ (33) | 24 | 1972 | R | |
| Jim Perry (34) | 24 | 1970 | R | |
| Wiley Piatt (23) | 24 | 1898 | L | |
| George Pipgras (28) | 24 | 1928 | R | |
| Eddie Plank+ (29) | 24 | 1905 | L | |
| Eddie Plank+ (31) | 24 | 1907 | L | |
| Charley Radbourn+ (32) | 24 | 1887 | R | |
| Toad Ramsey (25) | 24 | 1890 | L | |
| Ed Reulbach (25) | 24 | 1908 | R | |
| Schoolboy Rowe (24) | 24 | 1934 | R | |
| Babe Ruth+ (22) | 24 | 1917 | L | |
| Johnny Sain (30) | 24 | 1948 | R | |
| Jack Sanford (33) | 24 | 1962 | R | |
| Jim Scott (27) | 24 | 1915 | R | |
| Bobby Shantz (26) | 24 | 1952 | L | |
| Bob Shawkey (25) | 24 | 1916 | R | |
| Urban Shocker (31) | 24 | 1922 | R | |
| John Smoltz (29) | 24 | 1996 | R | |
| Harry Staley (24) | 24 | 1891 | R | |
| George Suggs (31) | 24 | 1914 | R | |
| Ed Summers (23) | 24 | 1908 | R | |
| Jesse Tannehill (24) | 24 | 1899 | L | |
| Fred Toney (28) | 24 | 1917 | R | |
| Tom Vickery (23) | 24 | 1890 | R | |
| Frank Viola (28) | 24 | 1988 | L | |
| Rube Waddell+ (25) | 24 | 1902 | L | |
| Ed Walsh+ (26) | 24 | 1907 | R | |
| Jim Whitney (24) | 24 | 1882 | R | |
| Jim Whitney (29) | 24 | 1887 | R | |
| Wilbur Wood (30) | 24 | 1972 | L | |
| Wilbur Wood (31) | 24 | 1973 | L | |
| 441. | Frank Allen (26) | 23 | 1915 | L |
| Nick Altrock (28) | 23 | 1905 | L | |
| Jim Bagby (27) | 23 | 1917 | R | |
| Red Barrett (30) | 23 | 1945 | R | |
| Chief Bender+ (26) | 23 | 1910 | R | |
| Bill Bernhard (33) | 23 | 1904 | R | |
| Ted Breitenstein (28) | 23 | 1897 | L | |
| Tommy Bridges (29) | 23 | 1936 | R | |
| Dick Burns (20) | 23 | 1884 | L | |
| Steve Carlton+ (32) | 23 | 1977 | L | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Steve Carlton+ (37) | 23 | 1982 | L | |
| Bob Caruthers (26) | 23 | 1890 | R | |
| Jack Chesbro+ (32) | 23 | 1906 | R | |
| Joe Coleman (26) | 23 | 1973 | R | |
| Wilbur Cooper (30) | 23 | 1922 | L | |
| Stan Coveleski+ (31) | 23 | 1921 | R | |
| Mike Cuellar (32) | 23 | 1969 | L | |
| Hugh Daily (35) | 23 | 1883 | R | |
| Bill Dinneen (28) | 23 | 1904 | R | |
| Don Drysdale+ (28) | 23 | 1965 | R | |
| Jack Dunn (26) | 23 | 1899 | R | |
| Red Faber+ (31) | 23 | 1920 | R | |
| Cy Falkenberg (32) | 23 | 1913 | R | |
| Wes Ferrell (24) | 23 | 1932 | R | |
| Mike Flanagan (27) | 23 | 1979 | L | |
| Jocko Flynn (22) | 23 | 1886 | R | |
| Frank Foreman (26) | 23 | 1889 | L | |
| Pud Galvin+ (31) | 23 | 1888 | R | |
| Pud Galvin+ (32) | 23 | 1889 | R | |
| Charlie Getzien (26) | 23 | 1890 | R | |
| Bob Gibson+ (34) | 23 | 1970 | R | |
| Vean Gregg (26) | 23 | 1911 | L | |
| Clark Griffith+ (26) | 23 | 1896 | R | |
| Burleigh Grimes+ (26) | 23 | 1920 | R | |
| Ad Gumbert (21) | 23 | 1890 | R | |
| Noodles Hahn (20) | 23 | 1899 | L | |
| Noodles Hahn (23) | 23 | 1902 | L | |
| Bob Harmon (23) | 23 | 1911 | R | |
| Jack Harper (23) | 23 | 1901 | R | |
| Jack Harper (26) | 23 | 1904 | R | |
| Orel Hershiser (29) | 23 | 1988 | R | |
| Waite Hoyt+ (28) | 23 | 1928 | R | |
| Carl Hubbell+ (30) | 23 | 1933 | L | |
| Carl Hubbell+ (32) | 23 | 1935 | L | |
| Jay Hughes (24) | 23 | 1898 | R | |
| Catfish Hunter+ (29) | 23 | 1975 | R | |
| Danny Jackson (26) | 23 | 1988 | L | |
| Larry Jansen (30) | 23 | 1951 | R | |
| Walter Johnson+ (29) | 23 | 1917 | R | |
| Walter Johnson+ (30) | 23 | 1918 | R | |
| Walter Johnson+ (36) | 23 | 1924 | R | |
| Sam Jones (28) | 23 | 1921 | R | |
| Ed Killian (28) | 23 | 1905 | L | |
| Ellis Kinder (34) | 23 | 1949 | R | |
| Silver King (24) | 23 | 1892 | R | |
| Frank Lary (31) | 23 | 1961 | R | |
| Bob Lemon+ (29) | 23 | 1950 | R | |
| Bob Lemon+ (33) | 23 | 1954 | R | |
| Tom Lovett (27) | 23 | 1891 | ||
| Jack Lynch (28) | 23 | 1885 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Nick Maddox (21) | 23 | 1908 | R | |
| Sal Maglie (34) | 23 | 1951 | R | |
| Jim Maloney (23) | 23 | 1963 | R | |
| Rube Marquard+ (26) | 23 | 1913 | L | |
| Pedro Martinez (27) | 23 | 1999 | R | |
| Christy Mathewson+ (31) | 23 | 1912 | R | |
| Sadie McMahon (25) | 23 | 1893 | R | |
| George McQuillan (23) | 23 | 1908 | R | |
| Roscoe Miller (24) | 23 | 1901 | R | |
| Frank Mountain (24) | 23 | 1884 | R | |
| Tony Mullane (32) | 23 | 1891 | R | |
| Phil Niekro+ (30) | 23 | 1969 | R | |
| Orval Overall (26) | 23 | 1907 | R | |
| Jim Palmer+ (29) | 23 | 1975 | R | |
| Herb Pennock+ (32) | 23 | 1926 | L | |
| Gaylord Perry+ (31) | 23 | 1970 | R | |
| Jeff Pfeffer (26) | 23 | 1914 | R | |
| Wiley Piatt (24) | 23 | 1899 | L | |
| Togie Pittinger (33) | 23 | 1905 | R | |
| Eddie Plank+ (27) | 23 | 1903 | L | |
| Eddie Plank+ (35) | 23 | 1911 | L | |
| Jack Powell (23) | 23 | 1898 | R | |
| Jack Powell (24) | 23 | 1899 | R | |
| Jack Powell (29) | 23 | 1904 | R | |
| Bob Purkey (32) | 23 | 1962 | R | |
| Robin Roberts+ (26) | 23 | 1953 | R | |
| Robin Roberts+ (27) | 23 | 1954 | R | |
| Robin Roberts+ (28) | 23 | 1955 | R | |
| Amos Rusie+ (24) | 23 | 1895 | R | |
| Babe Ruth+ (21) | 23 | 1916 | L | |
| Bret Saberhagen (25) | 23 | 1989 | R | |
| Curt Schilling (35) | 23 | 2002 | R | |
| Hal Schumacher (23) | 23 | 1934 | R | |
| Dupee Shaw (26) | 23 | 1885 | L | |
| Frank Smith (27) | 23 | 1907 | R | |
| Warren Spahn+ (32) | 23 | 1953 | L | |
| Warren Spahn+ (42) | 23 | 1963 | L | |
| Jack Taylor (21) | 23 | 1894 | R | |
| Jack Taylor (28) | 23 | 1902 | R | |
| Ralph Terry (26) | 23 | 1962 | R | |
| Hippo Vaughn (29) | 23 | 1917 | L | |
| Bucky Walters (35) | 23 | 1944 | R | |
| Gus Weyhing (26) | 23 | 1893 | R | |
| Jim Whitney (26) | 23 | 1884 | R | |
| Lefty Williams (26) | 23 | 1919 | L | |
| Vic Willis+ (30) | 23 | 1906 | R | |
| Vic Willis+ (32) | 23 | 1908 | R | |
| Hooks Wiltse (28) | 23 | 1908 | L | |
| Bill Wise (23) | 23 | 1884 | ||
| Joe Wood (21) | 23 | 1911 | R | |
| Rank | Player (age that year) | Wins | Year | Throws |
| Early Wynn+ (32) | 23 | 1952 | R | |
| Early Wynn+ (34) | 23 | 1954 | R | |
| Barry Zito (24) | 23 | 2002 | L |
Note that seasons prior to 1876 are not included in single-season marks, but are included in career marks.
