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| Single-Season Wins Leaderboard | |
| * - Indicates Hall of Fame |
| Rank | Player | Wins | IP | Year | Career Leaderboard |
| 1. | Chuck Stobbs * | 31 | 355.3 | 1962 | |
| Bob Friend | 31 | 364.7 | 1956 | ||
| Warren Spahn * | 31 | 378.3 | 1948 | ||
| 4. | Chuck Stobbs * | 30 | 375.3 | 1961 | |
| 5. | Warren Spahn * | 29 | 348.7 | 1955 | |
| Chuck Stobbs * | 29 | 332.0 | 1951 | ||
| Paul Dean * | 29 | 350.0 | 1939 | ||
| Paul Dean * | 29 | 358.7 | 1937 | ||
| 9. | Dean Stone | 28 | 309.3 | 1957 | |
| Bob Miller | 28 | 312.3 | 1955 | ||
| Warren Spahn * | 28 | 376.7 | 1954 | ||
| Vito Tamulis | 28 | 356.7 | 1944 | ||
| Joe Haynes | 28 | 345.0 | 1943 | ||
| Vic Aldridge | 28 | 373.0 | 1930 | ||
| 15. | Juan Marichal * | 27 | 386.3 | 1968 | |
| Jim O'Toole | 27 | 351.0 | 1965 | ||
| Juan Marichal * | 27 | 378.3 | 1963 | ||
| Gene Conley * | 27 | 343.7 | 1962 | ||
| Bob Gibson | 27 | 340.3 | 1962 | ||
| Chuck Stobbs * | 27 | 368.0 | 1960 | ||
| Gene Conley * | 27 | 335.0 | 1959 | ||
| Chuck Stobbs * | 27 | 359.3 | 1957 | ||
| Bob Friend | 27 | 361.3 | 1955 | ||
| Jack Harshman | 27 | 319.3 | 1954 | ||
| Warren Spahn * | 27 | 378.7 | 1953 | ||
| Robin Roberts | 27 | 339.7 | 1951 | ||
| Warren Spahn * | 27 | 369.0 | 1950 | ||
| Warren Spahn * | 27 | 367.7 | 1949 | ||
| George Blaeholder | 27 | 353.7 | 1937 | ||
| Paul Dean * | 27 | 374.0 | 1936 | ||
| Bill Swift * | 27 | 311.7 | 1933 | ||
| George Pipgras | 27 | 350.0 | 1931 | ||
| 33. | Eduardo Rodriguez | 26 | 297.7 | 1986 | |
| Dean Chance | 26 | 355.7 | 1968 | ||
| Rollie Sheldon | 26 | 342.3 | 1968 | ||
| Jim Brewer * | 26 | 286.0 | 1968 | ||
| Billy Hoeft | 26 | 345.0 | 1964 | ||
| Chuck Stobbs * | 26 | 340.0 | 1964 | ||
| Joe Bonikowski | 26 | 305.0 | 1964 | ||
| Jim Brewer * | 26 | 277.0 | 1964 | ||
| Herb Score | 26 | 324.7 | 1963 | ||
| Gene Conley * | 26 | 349.7 | 1961 | ||
| Warren Spahn * | 26 | 379.3 | 1957 | ||
| Joe Presko | 26 | 352.7 | 1957 | ||
| Chuck Stobbs * | 26 | 349.0 | 1953 | ||
| Don Newcombe | 26 | 325.0 | 1953 | ||
| Warren Spahn * | 26 | 374.7 | 1951 | ||
| Earl Johnson * | 26 | 341.7 | 1950 | ||
| Chuck Stobbs * | 26 | 331.0 | 1950 | ||
| Stubby Overmire | 26 | 337.3 | 1948 | ||
| Bill Wight | 26 | 322.7 | 1948 | ||
| Earl Johnson * | 26 | 317.7 | 1948 | ||
| Warren Spahn * | 26 | 375.7 | 1947 | ||
| Johnny Rigney | 26 | 323.3 | 1943 | ||
| Bill Swift * | 26 | 330.3 | 1942 | ||
| George Blaeholder | 26 | 328.7 | 1939 | ||
| Ted Lyons | 26 | 371.0 | 1935 | ||
| Ted Lyons | 26 | 345.0 | 1934 | ||
| Lefty Grove | 26 | 333.3 | 1934 | ||
| Garland Buckeye | 26 | 341.0 | 1932 | ||
| Ted Lyons | 26 | 365.0 | 1931 | ||
| Ray Benge | 26 | 362.0 | 1930 | ||
| Hank Thormahlen | 26 | 360.3 | 1930 | ||
| 64. | Bart Johnson | 25 | 307.0 | 1985 | |
| Gene Conley * | 25 | 325.7 | 1966 | ||
| Joe Bonikowski | 25 | 315.7 | 1966 | ||
| Juan Marichal * | 25 | 358.3 | 1965 | ||
| Sandy Koufax * | 25 | 337.7 | 1962 | ||
| Seth Morehead | 25 | 312.0 | 1961 | ||
| Carl Scheib | 25 | 341.3 | 1959 | ||
| Chuck Stobbs * | 25 | 363.7 | 1958 | ||
| Kent Peterson | 25 | 289.7 | 1958 | ||
| Johnny Antonelli | 25 | 335.7 | 1957 | ||
| Gene Conley * | 25 | 307.3 | 1957 | ||
| Warren Spahn * | 25 | 367.7 | 1956 | ||
| Chuck Stobbs * | 25 | 313.3 | 1956 | ||
| Chuck Stobbs * | 25 | 333.0 | 1955 | ||
| Gene Conley * | 25 | 314.0 | 1955 | ||
| Warren Spahn * | 25 | 371.0 | 1952 | ||
| Bob Friend | 25 | 326.3 | 1951 | ||
| Stubby Overmire | 25 | 319.3 | 1951 | ||
| Bob Chipman | 25 | 334.7 | 1950 | ||
| Johnny Sain | 25 | 333.3 | 1949 | ||
| Earl Johnson * | 25 | 301.3 | 1947 | ||
| Earl Johnson * | 25 | 327.7 | 1946 | ||
| Russ Bauers | 25 | 332.0 | 1945 | ||
| Preacher Roe | 25 | 314.0 | 1945 | ||
| Ernie White | 25 | 316.3 | 1944 | ||
| Earl Johnson * | 25 | 312.3 | 1944 | ||
| Bob Logan | 25 | 319.7 | 1943 | ||
| Max Lanier | 25 | 346.7 | 1942 | ||
| Dizzy Dean * | 25 | 364.7 | 1938 | ||
| Whit Wyatt | 25 | 350.0 | 1938 | ||
| Claude Passeau | 25 | 344.0 | 1937 | ||
| Pat Malone | 25 | 338.7 | 1936 | ||
| George Winn | 25 | 377.7 | 1931 | ||
| Jakie May | 25 | 308.3 | 1931 | ||
| 98. | John Denny | 24 | 297.0 | 1981 | |
| Juan Marichal * | 24 | 254.7 | 1971 | ||
| Tom Seaver | 24 | 272.3 | 1970 | ||
| Juan Marichal * | 24 | 379.7 | 1967 | ||
| Gary Peters | 24 | 281.0 | 1967 | ||
| Juan Marichal * | 24 | 363.3 | 1966 | ||
| Jim Brewer * | 24 | 281.3 | 1966 | ||
| Juan Marichal * | 24 | 362.7 | 1964 | ||
| Don Drysdale | 24 | 351.7 | 1964 | ||
| Gene Conley * | 24 | 334.3 | 1963 | ||
| Ike Delock | 24 | 324.7 | 1963 | ||
| Tex Clevenger | 24 | 311.0 | 1963 | ||
| Billy Hoeft | 24 | 351.7 | 1962 | ||
| George Brunet | 24 | 295.0 | 1962 | ||
| Gus Keriazakos | 24 | 319.7 | 1961 | ||
| Johnny Antonelli | 24 | 325.3 | 1959 | ||
| Bob Miller | 24 | 292.0 | 1959 | ||
| Sandy Koufax * | 24 | 281.7 | 1959 | ||
| Don Newcombe | 24 | 274.7 | 1954 | ||
| Earl Johnson * | 24 | 320.3 | 1952 | ||
| Bill Wight | 24 | 303.7 | 1952 | ||
| Ernie White | 24 | 334.0 | 1949 | ||
| Joe Nuxhall | 24 | 333.3 | 1949 | ||
| Red Embree | 24 | 332.0 | 1946 | ||
| Dizzy Dean * | 24 | 327.0 | 1944 | ||
| Harry Brecheen | 24 | 289.0 | 1944 | ||
| Dizzy Dean * | 24 | 338.3 | 1943 | ||
| Johnny Vander Meer | 24 | 327.7 | 1943 | ||
| Earl Johnson * | 24 | 323.3 | 1943 | ||
| Bob Logan | 24 | 335.7 | 1940 | ||
| Ralph Birkofer | 24 | 334.7 | 1940 | ||
| Schoolboy Rowe | 24 | 304.0 | 1939 | ||
| Pat Malone | 24 | 335.0 | 1938 | ||
| Bill Swift * | 24 | 366.3 | 1937 | ||
| Dizzy Dean * | 24 | 362.0 | 1937 | ||
| Ralph Birkofer | 24 | 341.7 | 1936 | ||
| Thornton Lee | 24 | 313.0 | 1936 | ||
| Danny Macfayden | 24 | 359.3 | 1935 | ||
| Paul Dean * | 24 | 345.0 | 1935 | ||
| Dizzy Dean * | 24 | 351.0 | 1933 | ||
| Dizzy Dean * | 24 | 375.3 | 1931 | ||
| Paul Derringer | 24 | 365.0 | 1931 | ||
| Wes Ferrell | 24 | 335.3 | 1931 | ||
| Jumbo Elliott | 24 | 321.0 | 1931 | ||
| 142. | Andy Rincon | 23 | 283.7 | 1986 | |
| Jay Howell | 23 | 238.3 | 1984 | ||
| Jerry Reuss | 23 | 282.0 | 1980 | ||
| J.R. Richard * | 23 | 269.3 | 1977 | ||
| Steve Kline | 23 | 261.7 | 1976 | ||
| Jerry Stephenson | 23 | 245.3 | 1968 | ||
| Joe Horlen | 23 | 328.7 | 1967 | ||
| Chuck Stobbs * | 23 | 324.3 | 1967 | ||
| Jim Brewer * | 23 | 299.7 | 1967 | ||
| Tom Qualters | 23 | 292.3 | 1967 | ||
| Pete Richert | 23 | 305.0 | 1965 | ||
| Sandy Koufax * | 23 | 325.7 | 1964 | ||
| Dave Giusti | 23 | 287.0 | 1964 | ||
| Jim O'Toole | 23 | 340.7 | 1962 | ||
| Sandy Koufax * | 23 | 296.0 | 1961 | ||
| Sandy Koufax * | 23 | 297.3 | 1960 | ||
| George Brunet | 23 | 263.3 | 1960 | ||
| Bob Friend | 23 | 346.3 | 1959 | ||
| Humberto Robinson | 23 | 300.0 | 1959 | ||
| Leo Kiely | 23 | 293.3 | 1959 | ||
| Johnny Antonelli | 23 | 314.3 | 1958 | ||
| Dean Stone | 23 | 294.7 | 1958 | ||
| Paul Foytack | 23 | 348.3 | 1957 | ||
| Frank Lary | 23 | 350.3 | 1956 | ||
| Leo Kiely | 23 | 329.7 | 1956 | ||
| Frank Lary | 23 | 347.7 | 1955 | ||
| Bob Rush | 23 | 365.0 | 1954 | ||
| Bob Rush | 23 | 343.7 | 1952 | ||
| Stubby Overmire | 23 | 326.0 | 1952 | ||
| Kent Peterson | 23 | 313.7 | 1952 | ||
| Bob Rush | 23 | 362.0 | 1951 | ||
| Fred Hutchinson | 23 | 344.0 | 1951 | ||
| Bill Wight | 23 | 318.3 | 1951 | ||
| Bobby Shantz | 23 | 281.3 | 1951 | ||
| Dave Ferriss | 23 | 332.3 | 1950 | ||
| Bill Wight | 23 | 311.0 | 1949 | ||
| Max Lanier | 23 | 308.7 | 1949 | ||
| Chuck Stobbs * | 23 | 301.3 | 1949 | ||
| Bob Rush | 23 | 355.7 | 1948 | ||
| Harry Brecheen | 23 | 278.7 | 1948 | ||
| Early Wynn | 23 | 329.7 | 1947 | ||
| Max Lanier | 23 | 273.3 | 1946 | ||
| Cliff Melton * | 23 | 323.7 | 1944 | ||
| Cliff Melton * | 23 | 313.0 | 1943 | ||
| Ernie White | 23 | 302.7 | 1943 | ||
| Bob Logan | 23 | 335.0 | 1942 | ||
| Spud Chandler | 23 | 334.7 | 1938 | ||
| Larry French | 23 | 329.0 | 1938 | ||
| Bobo Newsom | 23 | 314.0 | 1938 | ||
| George Blaeholder | 23 | 351.7 | 1936 | ||
| Dizzy Dean * | 23 | 354.7 | 1934 | ||
| Pat Malone | 23 | 328.7 | 1934 | ||
| Pat Malone | 23 | 330.0 | 1932 | ||
| Dave Keefe | 23 | 319.3 | 1932 | ||
| Hub Pruett | 23 | 312.7 | 1931 | ||
| Garland Braxton | 23 | 302.0 | 1930 | ||
| 198. | Kevin Gross | 22 | 254.7 | 1990 | |
| Don Demola | 22 | 240.3 | 1989 | ||
| Charlie Leibrandt | 22 | 231.3 | 1988 | ||
| Rich Bordi | 22 | 243.7 | 1984 | ||
| Mike Norris | 22 | 277.7 | 1983 | ||
| Mike Norris | 22 | 263.0 | 1982 | ||
| Jerry Reuss | 22 | 284.3 | 1981 | ||
| Tom Underwood | 22 | 264.0 | 1978 | ||
| Gary Nolan * | 22 | 280.0 | 1977 | ||
| Bill Butler | 22 | 238.0 | 1977 | ||
| Jerry Reuss | 22 | 274.0 | 1976 | ||
| Vida Blue | 22 | 267.0 | 1974 | ||
| Jerry Stephenson | 22 | 253.7 | 1973 | ||
| Juan Marichal * | 22 | 274.0 | 1972 | ||
| Joe Hoerner | 22 | 263.3 | 1972 | ||
| Bill Landis | 22 | 252.7 | 1972 | ||
| Tom Seaver | 22 | 280.0 | 1971 | ||
| Sandy Koufax * | 22 | 266.3 | 1970 | ||
| Steve Carlton * | 22 | 331.0 | 1968 | ||
| Chuck Stobbs * | 22 | 329.7 | 1968 | ||
| Jim O'Toole | 22 | 323.0 | 1968 | ||
| Howie Nunn | 22 | 313.0 | 1968 | ||
| Herb Score | 22 | 312.7 | 1968 | ||
| George Brunet | 22 | 330.7 | 1967 | ||
| Gary Peters | 22 | 293.7 | 1966 | ||
| Bob Veale | 22 | 285.3 | 1966 | ||
| Hal Reniff | 22 | 272.7 | 1966 | ||
| Chuck Stobbs * | 22 | 362.0 | 1965 | ||
| Billy Hoeft | 22 | 349.0 | 1965 | ||
| Gus Keriazakos | 22 | 294.7 | 1965 | ||
| Bob Veale | 22 | 286.3 | 1965 | ||
| Ike Delock | 22 | 327.7 | 1964 | ||
| Ralph Lumenti | 22 | 286.0 | 1964 | ||
| Don Drysdale | 22 | 333.3 | 1963 | ||
| George Brunet | 22 | 304.7 | 1963 | ||
| Dick Hall | 22 | 307.3 | 1962 | ||
| Tom Qualters | 22 | 294.7 | 1962 | ||
| Joe Presko | 22 | 292.7 | 1962 | ||
| Joe Presko | 22 | 326.3 | 1961 | ||
| Humberto Robinson | 22 | 314.3 | 1961 | ||
| Ramon Monzant | 22 | 300.7 | 1961 | ||
| Jim O'Toole | 22 | 281.3 | 1961 | ||
| Bob Gibson | 22 | 353.0 | 1960 | ||
| Gene Conley * | 22 | 337.3 | 1960 | ||
| Ramon Monzant | 22 | 306.0 | 1960 | ||
| Jim O'Toole | 22 | 302.3 | 1960 | ||
| Billy Pierce | 22 | 301.0 | 1959 | ||
| Bobby Shantz | 22 | 282.7 | 1959 | ||
| Billy Pierce | 22 | 294.3 | 1958 | ||
| Bob Friend | 22 | 361.0 | 1957 | ||
| Stu Miller | 22 | 295.7 | 1957 | ||
| Ralph Beard | 22 | 290.3 | 1957 | ||
| Joe Presko | 22 | 335.0 | 1956 | ||
| Johnny Kucks | 22 | 321.3 | 1956 | ||
| Don Newcombe | 22 | 320.0 | 1956 | ||
| Stu Miller | 22 | 305.0 | 1956 | ||
| Carl Scheib | 22 | 333.3 | 1954 | ||
| Bob Friend | 22 | 352.3 | 1953 | ||
| Bill Wight | 22 | 316.3 | 1953 | ||
| Bob Friend | 22 | 321.7 | 1952 | ||
| Bubba Church | 22 | 308.7 | 1952 | ||
| Joe Dobson | 22 | 304.0 | 1952 | ||
| Ernie White | 22 | 320.0 | 1951 | ||
| Dick Donovan | 22 | 336.0 | 1950 | ||
| Mel Parnell | 22 | 329.0 | 1950 | ||
| Harry Brecheen | 22 | 315.7 | 1949 | ||
| Al Javery | 22 | 324.7 | 1948 | ||
| Joe Page | 22 | 281.3 | 1948 | ||
| Mel Parnell | 22 | 272.3 | 1948 | ||
| Preacher Roe | 22 | 320.7 | 1947 | ||
| Red Embree | 22 | 319.3 | 1947 | ||
| Hugh Mulcahy | 22 | 312.3 | 1947 | ||
| Jack Hallett | 22 | 314.3 | 1946 | ||
| Cliff Melton * | 22 | 276.7 | 1946 | ||
| Red Embree | 22 | 338.0 | 1945 | ||
| Cliff Melton * | 22 | 333.0 | 1945 | ||
| Marius Russo | 22 | 312.7 | 1945 | ||
| Max Lanier | 22 | 301.3 | 1945 | ||
| Joe Haynes | 22 | 343.0 | 1944 | ||
| Eddie Smith | 22 | 328.3 | 1944 | ||
| Stubby Overmire | 22 | 292.0 | 1944 | ||
| Ted Wilks | 22 | 274.7 | 1944 | ||
| Harry Brecheen | 22 | 311.3 | 1943 | ||
| Bob Logan | 22 | 333.0 | 1941 | ||
| Bill Swift * | 22 | 315.7 | 1941 | ||
| Monte Pearson | 22 | 338.3 | 1940 | ||
| Vito Tamulis | 22 | 327.0 | 1940 | ||
| Ralph Birkofer | 22 | 325.0 | 1939 | ||
| Vito Tamulis | 22 | 285.3 | 1938 | ||
| Larry French | 22 | 338.3 | 1937 | ||
| Spud Chandler | 22 | 324.0 | 1937 | ||
| Claude Passeau | 22 | 337.7 | 1936 | ||
| Ray Prim | 22 | 322.0 | 1936 | ||
| Larry French | 22 | 314.7 | 1936 | ||
| Whit Wyatt | 22 | 310.3 | 1936 | ||
| Dizzy Dean * | 22 | 359.7 | 1935 | ||
| Ray Prim | 22 | 325.7 | 1935 | ||
| Hank Thormahlen | 22 | 306.0 | 1933 | ||
| Tony Kaufmann | 22 | 278.3 | 1933 | ||
| Lefty Grove | 22 | 321.0 | 1932 | ||
| Hank Thormahlen | 22 | 351.3 | 1931 | ||
| Vic Keen | 22 | 337.0 | 1931 | ||
| Ted Lyons | 22 | 379.0 | 1930 |
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