Single-Season Winning Pct
Leaderboard
 
* - Indicates Hall of Fame
Rank    Player Winning Pct IP Year Career Leaderboard
1.    Juan Marichal * .9600 254.7 1971  
2.    Seth Morehead .9375 126.3 1968  
3.    Jose Deleon .8947 189.3 1989  
  Alan Foster .8947 186.3 1971  
5.    Jay Howell .8846 238.3 1984  
6.    Dean Stone .8750 309.3 1957  
7.    Jim O'Toole .8710 351.0 1965  
8.    John Hiller .8696 205.7 1972  
9.    George Blaeholder .8667 328.7 1939  
10.    Hal Reniff .8571 157.3 1973  
  Pete Richert .8571 222.0 1970  
12.    Chuck Stobbs * .8529 332.0 1951  
13.    Sandy Koufax * .8519 297.3 1960  
  Dean Stone .8519 294.7 1958  
15.    Pat Dobson .8500 212.3 1969  
16.    Kevin Gross .8462 254.7 1990  
17.    Greg Minton .8421 216.7 1982  
  John Hiller .8421 222.0 1970  
  Bud Byerly .8421 158.7 1950  
20.    Mike Garman .8400 241.3 1983  
  Rich Bordi .8400 238.7 1983  
  Gary Lavelle .8400 228.3 1979  
  John Hiller .8400 245.3 1975  
24.    Willie Hernandez .8333 225.0 1988  
  John Hiller .8333 240.3 1973  
  Rollie Sheldon .8333 269.3 1970  
  Gene Conley * .8333 307.3 1957  
28.    Warren Spahn * .8286 348.7 1955  
29.    Tom Seaver .8276 272.3 1970  
  Gary Peters .8276 281.0 1967  
  Sandy Koufax * .8276 281.7 1959  
32.    Charlie Williams .8235 168.3 1975  
  Joe Page .8235 173.0 1946  
  Dave Koslo .8235 147.0 1944  
  Clint Brown .8235 172.7 1932  
36.    Jerry Stephenson .8214 245.3 1968  
  Tom Qualters .8214 292.3 1967  
  George Brunet .8214 263.3 1960  
39.    Allan Anderson .8182 178.3 1989  
  Pedro Borbon .8182 244.7 1973  
  Dick Drago .8182 213.0 1973  
  Gene Conley * .8182 343.7 1962  
  Dave Koslo .8182 217.7 1947  
44.    Chuck Stobbs * .8158 355.3 1962  
45.    Jerry Reuss .8148 274.0 1976  
46.    Steve Olin .8125 173.3 1990  
  Tony Castillo .8125 143.0 1990  
  Jerry Stephenson .8125 150.0 1970  
  Joe Hoerner .8125 143.7 1968  
  Gene Conley * .8125 349.7 1961  
  Joe Haynes .8125 166.7 1953  
  Chuck Stobbs * .8125 331.0 1950  
53.    Carl Willis .8095 196.7 1987  
  Mike McQueen .8095 204.0 1984  
  Dan Quisenberry .8095 110.3 1983  
  Jerry Stephenson .8095 175.7 1971  
  Jackie Collum .8095 204.7 1957  
58.    Don Demola .8077 243.0 1987  
  Lance Rautzhan .8077 240.3 1980  
  Frank Riccelli .8077 218.0 1976  
  Bill Stoneman .8077 257.3 1969  
62.    Kent Peterson .8065 289.7 1958  
  Ernie White .8065 316.3 1944  
64.    Dwight Gooden .8000 237.3 1989  
  Mike Garman .8000 211.3 1982  
  Jim York .8000 206.7 1975  
  Hal Reniff .8000 204.3 1965  
  Orlando Pena .8000 139.0 1962  
69.    Bob Friend .7949 364.7 1956  
70.    Warren Spahn * .7941 369.0 1950  
  Warren Spahn * .7941 367.7 1949  
72.    Jerry Reuss .7931 282.0 1980  
  Steve Kline .7931 261.7 1976  
  Jim Brewer * .7931 299.7 1967  
75.    Lance Rautzhan .7917 255.7 1982  
  Frank Tanana .7917 240.0 1978  
  Mike Torrez .7917 234.3 1976  
  John Gelnar .7917 275.7 1971  
  Billy Hoeft .7917 285.7 1961  
  Connie Johnson .7917 247.0 1955  
  Ted Gray .7917 299.3 1953  
82.    Dwight Gooden .7895 207.0 1988  
  Don Stanhouse .7895 136.0 1985  
  Lary Sorensen .7895 214.0 1981  
  Bill Butler .7895 206.3 1978  
  Ramon Hernandez .7895 166.7 1974  
87.    Chuck Stobbs * .7879 340.0 1964  
  Joe Bonikowski .7879 305.0 1964  
  Jim Brewer * .7879 277.0 1964  
  Don Newcombe .7879 325.0 1953  
  Earl Johnson * .7879 317.7 1948  
92.    Rich Bordi .7857 243.7 1984  
  Bill Butler .7857 238.0 1977  
  Jerry Stephenson .7857 253.7 1973  
  Tom Seaver .7857 280.0 1971  
  Jim O'Toole .7857 281.3 1961  
  Mel Parnell .7857 272.3 1948  
98.    Paul Dean * .7838 358.7 1937  
99.    Lance Rautzhan .7826 186.0 1986  
  Willie Hernandez .7826 217.7 1983  
  Bill Campbell .7826 217.3 1975  
  Steve Hamilton .7826 245.0 1964  
  Bill Werle .7826 208.0 1950  
104.    Bart Johnson .7813 307.0 1985  
  Gene Conley * .7813 314.0 1955  
106.    Milt Wilcox .7778 175.3 1983  
  Frank Tanana .7778 248.0 1979  
  Jim Owens .7778 92.3 1965  
  Charlie Beamon .7778 273.0 1963  
  Johnny Antonelli .7778 308.7 1960  
  Bob Miller .7778 312.3 1955  
  Ralph Winegarner .7778 243.0 1945  
113.    Ernie White .7742 334.0 1949  
  Schoolboy Rowe .7742 304.0 1939  
115.    Dave Righetti .7727 220.0 1986  
  Balor Moore .7727 216.7 1986  
  Rick Reuschel .7727 258.3 1979  
  Gary Bell .7727 259.7 1963  
  Ed Head .7727 211.3 1955  
120.    Gene Conley * .7714 335.0 1959  
121.    John Denny .7692 244.3 1987  
  Charlie Williams .7692 226.3 1974  
  Lew Krausse .7692 243.3 1973  
  Rollie Sheldon .7692 326.7 1966  
  Herb Score .7692 262.0 1960  
126.    Humberto Robinson .7667 300.0 1959  
  Leo Kiely .7667 293.3 1959  
  Johnny Antonelli .7667 314.3 1958  
129.    Phil Hennigan .7647 159.3 1980  
  Rusty Gerhardt .7647 172.7 1976  
  Woodie Fryman .7647 169.7 1966  
  Herb Score .7647 324.7 1963  
  Billy O'Dell .7647 118.7 1960  
134.    Joe Magrane .7619 174.0 1990  
  Don Stanhouse .7619 207.7 1983  
  Bill Butler .7619 188.7 1975  
  Tom Qualters .7619 241.0 1971  
  Buster Narum .7619 160.3 1971  
  Ramon Hernandez .7619 236.3 1970  
  John Gelnar .7619 222.0 1970  
  Ken Sanders .7619 194.7 1970  
  George Brunet .7619 245.3 1965  
143.    Lance Rautzhan .7600 194.3 1989  
  Tom Hausman .7600 238.3 1980  
  Rick Reuschel .7600 264.0 1978  
  Rick Wise .7600 259.3 1974  
  Bill Landis .7600 242.3 1973  
  Mickey Lolich .7600 246.7 1972  
  Vida Blue .7600 243.0 1972  
  Mickey Lolich .7600 252.0 1970  
  Don Sutton .7600 269.0 1969  
  Dick Hall .7600 253.0 1964  
  George Brunet .7600 280.0 1961  
154.    Charlie Leibrandt .7586 231.3 1988  
  Tom Underwood .7586 264.0 1978  
  Bob Veale .7586 285.3 1966  
  Joe Presko .7586 292.7 1962  
  Humberto Robinson .7586 314.3 1961  
  Stu Miller .7586 305.0 1956  
  Vito Tamulis .7586 285.3 1938  
161.    Sandy Koufax * .7576 337.7 1962  
  Chuck Stobbs * .7576 333.0 1955  
  Stubby Overmire .7576 319.3 1951  
  Earl Johnson * .7576 327.7 1946  
  Preacher Roe .7576 314.0 1945  
166.    Warren Spahn * .7561 378.3 1948  
167.    Randy O'Neal .7500 157.0 1990  
  Steve Wilson .7500 123.3 1990  
  Bob Ojeda .7500 199.7 1989  
  Frank Williams .7500 189.3 1989  
  Mario Soto .7500 149.0 1989  
  Lance McCullers .7500 167.7 1986  
  Don Demola .7500 276.0 1985  
  Andy Rincon .7500 266.3 1985  
  Mike Norris .7500 299.3 1984  
  Dave Laroche .7500 130.0 1983  
  Dennis Eckersley .7500 274.0 1980  
  Bill Butler .7500 212.7 1980  
  Gary Nolan * .7500 268.0 1978  
  John Hiller .7500 230.7 1977  
  Al Holland .7500 164.3 1977  
  Masanori Murakami .7500 255.3 1976  
  Rich Gossage .7500 204.0 1975  
  Mike Garman .7500 130.0 1975  
  Dennis Bennett .7500 114.7 1973  
  Steve Hargan .7500 272.3 1972  
  Al Hrabosky .7500 126.0 1972  
  Sandy Koufax * .7500 272.7 1971  
  Pedro Borbon .7500 237.3 1971  
  John Hiller .7500 221.0 1971  
  Fred Lasher .7500 166.0 1971  
  Tom Qualters .7500 203.7 1969  
  Dick Drott .7500 79.7 1969  
  Larry Sherry .7500 234.0 1965  
  George Brunet .7500 295.0 1962  
  Chuck Stobbs * .7500 375.3 1961  
  Chuck Stobbs * .7500 368.0 1960  
  Bob Miller .7500 292.0 1959  
  Don Gross .7500 91.3 1958  
  Chuck Stobbs * .7500 359.3 1957  
  Ryne Duren .7500 177.3 1957  
  Gene Conley * .7500 253.7 1956  
  Bill Wight .7500 303.7 1952  
  Fred Hutchinson .7500 269.7 1950  
  Howie Pollet .7500 248.0 1950  
  Ray Prim .7500 245.3 1940  
  Clay Bryant .7500 149.3 1939  
  Cy Moore .7500 72.0 1936  
  Ed Baecht .7500 219.7 1934  
  Bill Swift * .7500 311.7 1933  
  Pete Appleton .7500 167.7 1933  
  Herm Holshouser .7500 145.0 1930  
213.    Paul Dean * .7436 350.0 1939  
214.    Eduardo Rodriguez .7429 297.7 1986  
  Dean Chance .7429 355.7 1968  
  Jim Brewer * .7429 286.0 1968  
  Billy Hoeft .7429 345.0 1964  
  Chuck Stobbs * .7429 349.0 1953  
  Bill Wight .7429 322.7 1948  
  Ted Lyons .7429 345.0 1934  
221.    Joe Horlen .7419 328.7 1967  
  Bill Wight .7419 311.0 1949  
223.    Lary Sorensen .7407 261.0 1986  
  Luis Deleon .7407 258.0 1984  
  Scott Sanderson .7407 258.0 1982  
  Bill Slayback .7407 294.3 1981  
  Ed Halicki .7407 260.0 1981  
  Rob Dressler .7407 248.0 1980  
  Bill Campbell .7407 280.7 1978  
  Greg Minton .7407 234.7 1978  
  Rollie Fingers .7407 262.7 1970  
  Bob Miller .7407 263.0 1952  
233.    Joe Beckwith .7391 210.3 1982  
  Steve Carlton * .7391 254.3 1977  
  John Hiller .7391 238.0 1974  
  Rollie Fingers .7391 225.7 1974  
  Juan Marichal * .7391 227.7 1973  
  Kent Peterson .7391 263.7 1960  
  Ralph Winegarner .7391 243.7 1947  
  Ray Prim .7391 216.0 1942  
  Hub Pruett .7391 216.3 1934  
242.    Luis Deleon .7368 171.7 1989  
  Julio Solano .7368 151.3 1989  
  Sid Fernandez .7368 208.0 1988  
  Fred Holdsworth .7368 133.0 1985  
  Frank Riccelli .7368 203.3 1977  
  Jerry Stephenson .7368 193.7 1974  
  Chris Van Cuyk .7368 98.7 1959  
  Vito Tamulis .7368 356.7 1944  
  Hi Bithorn .7368 174.3 1944  
  Joe Haynes .7368 345.0 1943  
252.    Gene Conley * .7353 325.7 1966  
  Joe Bonikowski .7353 315.7 1966  
  Chuck Stobbs * .7353 363.7 1958  
  Warren Spahn * .7353 367.7 1956  
  Bob Chipman .7353 334.7 1950  
  Johnny Sain .7353 333.3 1949  
  Earl Johnson * .7353 301.3 1947  
  Russ Bauers .7353 332.0 1945  
  Earl Johnson * .7353 312.3 1944  
  Bob Logan .7353 319.7 1943  
  Whit Wyatt .7353 350.0 1938  
263.    Don Demola .7333 240.3 1989  
  Mike Norris .7333 263.0 1982  
  Jerry Reuss .7333 284.3 1981  
  Sandy Koufax * .7333 266.3 1970  
  Hal Reniff .7333 272.7 1966  
  Hugh Mulcahy .7333 312.3 1947  
  Cliff Melton * .7333 276.7 1946  
270.    Bob Knepper .7308 235.7 1986  
  Terry Leach .7308 238.7 1983  
  Lee Smith .7308 260.7 1982  
  Don Demola .7308 265.0 1980  
  Masanori Murakami .7308 220.7 1975  
  Karl Spooner .7308 286.7 1961  
  Pete Appleton .7308 272.3 1938  
277.    Bob Gibson .7297 340.3 1962  
  Jack Harshman .7297 319.3 1954  
  Robin Roberts .7297 339.7 1951  
  Paul Dean * .7297 374.0 1936  
281.    Joey McLaughlin .7273 213.7 1989  
  Oil Can Boyd .7273 204.0 1988  
  Steve Bedrosian .7273 204.0 1988  
  Carl Willis .7273 245.7 1984  
  Lance Rautzhan .7273 254.3 1983  
  Bo McLaughlin .7273 216.0 1983  
  Rick Honeycutt .7273 81.7 1981  
  Jim Slaton .7273 208.7 1979  
  Tom Hausman .7273 205.7 1979  
  Rich Gossage .7273 229.0 1976  
  Rob Gardner .7273 227.0 1976  
  Pat Dobson .7273 199.0 1972  
  John Hiller .7273 215.3 1966  
  Don Lee .7273 132.3 1964  
  Stubby Overmire .7273 262.0 1954  
  Tom Morgan .7273 252.0 1953  
  Earl Johnson * .7273 320.3 1952  
  Earl Johnson * .7273 323.3 1943  
  Roy Sherid .7273 237.7 1936  
300.    Gary Nolan * .7241 288.0 1981