Win/Start Pct. Leaders
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Annual Leaders Top 50 W/S%  -  All-Time
Year Name Team GS W L W/S% Rank Year Name Team GS W L W/S%
1901 Cy Young BOS 41 31 10 .756 1 1931 Lefty Grove PHI 30 27 3 .900
2 1912 Smoky Joe Wood BOS 38 33 5 .868
1902 Cy Young BOS 43 32 11 .744 3 1907 Wild Bill Donovan DET 28 23 4 .821
4 1913 Walter Johnson WAS 36 29 7 .806
1903 Cy Young BOS 35 26 8 .743 5 1973 Roger Moret BOS 15 12 2 .800
6 1910 Russ Ford NY 33 26 6 .788
1904 Jack Chesbro NY 51 38 12 .745 T7 1910 Chief Bender PHI 28 22 5 .786
T7 1992 Cal Eldred MIL 14 11 2 .786
1905 Addie Joss CLE 32 20 11 .625 9 1944 Tex Hughson BOS 23 18 5 .783
T10 1919 Eddie Cicotte CHI 35 27 6 .771
1906 Eddie Plank PHI 25 19 5 .760 T10 1990 Bob Welch OAK 35 27 6 .771
12 1946 Hal Newhouser DET 34 26 8 .765
1907 Wild Bill Donovan DET 28 23 4 .821 13 1918 Sad Sam Jones BOS 21 16 5 .762
14 1906 Eddie Plank PHI 25 19 5 .760
1908 Ed Walsh CHI 49 35 14 .714 15 1999 Pedro Martinez BOS 29 22 4 .759
16 1934 Lefty Gomez NY 33 25 3 .758
1909 George Mullin DET 35 25 8 .714 T17 1901 Cy Young BOS 41 31 10 .756
T17 1968 Denny McLain DET 41 31 6 .756
1910 Russ Ford NY 33 26 6 .788 T19 1915 Smoky Joe Wood BOS 16 12 3 .750
T19 1937 Johnny Allen CLE 20 15 1 .750
1911 Vean Gregg CLE 26 18 7 .692 T19 1939 Red Ruffing NY 28 21 7 .750
22 1904 Jack Chesbro NY 51 38 12 .745
1912 Smoky Joe Wood BOS 38 33 5 .868 23 1902 Cy Young BOS 43 32 11 .744
24 1903 Cy Young BOS 35 26 8 .743
1913 Walter Johnson WAS 36 29 7 .806 T25 1928 Lefty Grove PHI 31 23 8 .742
T25 1932 Lefty Gomez NY 31 23 5 .742
1914 Chief Bender PHI 23 16 2 .696 27 1942 Ernie Bonham NY 27 20 5 .741
28 1903 Bill Bernhard CLE 19 14 5 .737
1915 Smoky Joe Wood BOS 16 12 3 .750 29 1944 Hal Newhouser DET 34 25 7 .735
T30 1922 Joe Bush NY 30 22 6 .733
1916 Eddie Cicotte CHI 19 12 5 .632 T30 1932 Lefty Grove PHI 30 22 8 .733
T30 1942 Tex Hughson BOS 30 22 6 .733
1917 Eddie Cicotte CHI 35 23 11 .657 33 1912 Walter Johnson WAS 37 27 10 .730
T34 1949 Mel Parnell BOS 33 24 6 .727
1918 Sad Sam Jones BOS 21 16 5 .762 T34 1952 Bobby Shantz PHI 33 24 7 .727
T34 1986 Roger Clemens BOS 33 24 4 .727
1919 Eddie Cicotte CHI 35 27 6 .771 37 1926 George Uhle CLE 36 26 10 .722
38 1930 Lefty Grove PHI 32 23 3 .719
1920 Jim Bagby CLE 38 25 10 .658 T39 1908 Ed Walsh CHI 49 35 14 .714
T39 1909 George Mullin DET 35 25 8 .714
1921 Carl Mays NY 38 26 9 .684 T39 1913 Chief Bender PHI 21 15 5 .714
T39 1937 Monty Stratton CHI 21 15 5 .714
1922 Joe Bush NY 30 22 6 .733 T39 1972 Woodie Fryman DET 14 10 3 .714
T39 1978 Ron Guidry NY 35 25 3 .714
Year Name Team GS W L W/S% Rank Year Name Team GS W L W/S%
1923 Sad Sam Jones NY 27 19 6 .704 45 1910 Jack Coombs PHI 38 27 8 .711
46 2008 Cliff Lee CLE 31 22 3 .710
1924 Walter Johnson WAS 38 23 7 .605 47 1928 Herb Pennock NY 24 17 6 .708
48 1966 Jim Nash KC 17 12 1 .706
1925 Walter Johnson WAS 29 19 7 .655 T49 1902 Rube Waddell PHI 27 19 7 .704
T49 1903 Earl Moore CLE 27 19 8 .704
1926 George Uhle CLE 36 26 10 .722 T49 1923 Sad Sam Jones NY 27 19 6 .704
1927 Waite Hoyt NY 32 22 6 .688
1928 Lefty Grove PHI 31 23 8 .742 Top 25 W/S%  -  1960-present
1929 Wes Ferrell CLE 25 16 8 .640 Rank Year Name Team GS W L W/S%
1 1973 Roger Moret BOS 15 12 2 .800
1930 Lefty Grove PHI 32 23 3 .719 2 1992 Cal Eldred MIL 14 11 2 .786
3 1990 Bob Welch OAK 35 27 6 .771
1931 Lefty Grove PHI 30 27 3 .900 4 1999 Pedro Martinez BOS 29 22 4 .759
5 1968 Denny McLain DET 41 31 6 .756
1932 Lefty Gomez NY 31 23 5 .742 6 1986 Roger Clemens BOS 33 24 4 .727
T7 1972 Woodie Fryman DET 14 10 3 .714
1933 Lefty Grove PHI 28 18 6 .643 T7 1978 Ron Guidry NY 35 25 3 .714
9 2008 Cliff Lee CLE 31 22 3 .710
1934 Lefty Gomez NY 33 25 3 .758 10 1966 Jim Nash KC 17 12 1 .706
11 1971 Dave McNally BAL 30 21 5 .700
1935 Ted Lyons CHI 22 15 7 .682 12 1994 David Cone KC 23 16 5 .696
13 2006 Francisco Liriano MIN 16 11 3 .688
1936 Bump Hadley NY 17 11 3 .647 14 1988 Frank Viola MIN 35 24 7 .686
15 1994 Jimmy Key NY 25 17 4 .680
1937 Johnny Allen CLE 20 15 1 .750 T16 1963 Camilo Pascual MIN 31 21 9 .677
T16 1983 Ron Guidry NY 31 21 9 .677
1938 Red Ruffing NY 31 21 7 .677 T16 1990 Roger Clemens BOS 31 21 6 .677
19 1980 Steve Stone BAL 37 25 7 .676
1939 Red Ruffing NY 28 21 7 .750 T20 1972 Jim Kaat MIN 15 10 2 .667
T20 1980 Mike Norris OAK 33 22 9 .667
1940 Bob Feller CLE 37 26 10 .703 T20 1983 Lamarr Hoyt CHI 36 24 10 .667
T20 1985 Ron Guidry NY 33 22 6 .667
1941 Red Ruffing NY 23 15 6 .652 T20 1994 Mike Mussina BAL 24 16 5 .667
Lefty Gomez NY 23 15 5 .652 T20 2002 Pedro Martinez BOS 30 20 4 .667
T20 2003 Sidney Ponson BAL 21 14 6 .667
1942 Ernie Bonham NY 27 20 5 .741 T20 2007 Josh Beckett BOS 30 20 7 .667
1943 Spud Chandler NY 30 20 4 .667
1944 Tex Hughson BOS 23 18 5 .783 Bottom 25 W/S%  -  All-Time
Year Name Team GS W L W/S% Rank Year Name Team GS W L W/S%
1945 Roger Wolff WAS 29 20 8 .690 T1 1910 Bill Bailey STL 20 0 17 .000
T1 1916 Tom Sheehan PHI 17 0 14 .000
1946 Hal Newhouser DET 34 26 8 .765 T1 1930 Dutch Henry CHI 16 0 15 .000
T1 2003 Dan Wright CHI 15 0 7 .000
1947 Bob Lemon CLE 15 10 3 .667 5 1916 Jack Nabors PHI 30 1 20 .033
6 1982 Rick Waits CLE 21 1 12 .048
1948 Gene Bearden CLE 29 20 6 .690 T7 1948 Art Houtteman DET 20 1 14 .050
T7 1953 Charlie Bishop PHI 20 1 13 .050
1949 Mel Parnell BOS 33 24 6 .727 T7 1980 Chris Knapp CAL 20 1 10 .050
T7 2010 Ryan Roland-Smith SEA 20 1 10 .050
1950 Vic Raschi NY 32 21 8 .656 11 1986 John Butcher MIN/CLE 18 1 6 .056
T12 1968 Rickey Clark CAL 17 1 11 .059
1951 Bob Feller CLE 32 22 7 .688 T12 1990 Jeff Ballard BAL 17 1 10 .059
T12 2003 Adam Bernero DET 17 1 12 .059
1952 Bobby Shantz PHI 33 24 7 .727 T15 1914 Walt Leverenz STL 16 1 10 .063
T15 1919 Dave Davenport STL 16 1 10 .063
1953 Ed Lopat NY 24 16 4 .667 T15 1955 Chuck Stobbs WAS 16 1 11 .063
T15 1956 Troy Herriage KC 16 1 12 .063
1954 Bob Feller CLE 19 13 3 .684 T15 1957 Ted Abernathy WAS 16 1 10 .063
T15 1971 Steve Hargan CLE 16 1 12 .063
1955 Tommy Byrne NY 22 15 5 .682 T15 1980 Mike Parrott SEA 16 1 14 .063
T15 2006 Jae Weong Seo TB 16 1 8 .063
1956 Whitey Ford NY 30 19 6 .633 T23 1932 Wally Hebert STL 15 1 11 .067
T23 1960 Don Larsen KC 15 1 9 .067
1957 Jim Bunning DET 30 18 7 .600 T23 2003 Kyle Snyder KC 15 1 6 .067
T23 1923 Curt Fullerton BOS 15 1 14 .067
1958 Bob Turley NY 31 21 7 .677
1959 Bob Shaw CHI 26 16 6 .615 Note: League leaders W/S% is bolded.
1960 Camilo Pascual WAS 22 12 7 .545
1961 Whitey Ford NY 39 25 4 .641 W/S% Leaders by Frequency
1962 Camilo Pascual MIN 33 20 11 .606 Pitcher No.
Lefty Grove 4
1963 Camilo Pascual MIN 31 21 9 .677 Eddie Cicotte 3
Bob Feller 3
1964 Wally Bunker BAL 29 19 5 .655 Ron Guidry 3
Walter Johnson 3
1965 Mel Stottlemyre NY 37 20 9 .541 Camilo Pascual 3
Red Ruffing 3
1966 Jim Nash KC 17 12 1 .706 Cy Young 3
Year Name Team GS W L W/S%
1967 Earl Wilson DET 38 22 11 .579
W/S% Leaders by Team
1968 Denny McLain DET 41 31 6 .756
Team No.
1969 Jim Palmer BAL 23 14 4 .609 N.Y. Yankees 29
Boston Red Sox 15
1970 Mike Cuellar BAL 40 24 8 .600 Cleveland Indians 14
1970 Dave McNally BAL 40 24 9 .600 Was Senators/Min Twins 12
1970 Jim Perry MIN 40 24 12 .600 Phi/K.C./Oak Athletics 11
Detroit Tigers 9
1971 Dave McNally BAL 30 21 5 .700 StL Browns/Bal Orioles 8
Chicago White Sox 7
1972 Woodie Fryman DET 14 10 3 .714 Seattle Mariners 3
Milwaukee Brewers 2
1973 Roger Moret BOS 15 12 2 .800 K.C. Royals 2
L.A. Angels 1
1974 Catfish Hunter OAK 41 25 12 .610 Was Senators/Tex Rangers 1
1974 Ferguson Jenkins TEX 41 25 12 .610
1975 Roger Moret BOS 16 10 3 .625
1976 Mark Fidrych DET 29 19 9 .655
1977 Don Gullett NY 22 14 4 .636
1978 Ron Guidry NY 35 25 3 .714
1979 Jack Morris DET 27 17 7 .630
1980 Steve Stone BAL 37 25 7 .676
1981 Steve McCatty OAK 22 14 7 .636
1982 Pete Vuckovich MIL 30 18 6 .600
1983 Ron Guidry NY 31 21 9 .677
1984 Bert Blyleven CLE 32 19 7 .594
1985 Ron Guidry NY 33 22 6 .667
1986 Roger Clemens BOS 33 24 4 .727
Year Name Team GS W L W/S%
1987 Lee Guetterman SEA 17 10 4 .588
1988 Frank Viola MIN 35 24 7 .686
1989 Bret Saberhagen KC 35 23 5 .657
1990 Bob Welch OAK 35 27 6 .771
1991 Scott Erickson MIN 32 20 8 .625
1992 Cal Eldred MIL 14 11 2 .786
1993 Jack McDowell CHI 34 22 10 .647
1994 David Cone KC 23 16 5 .696
1995 Orel Hershiser CLE 26 16 6 .615
1996 Andy Pettitte NY 34 20 8 .588
1997 Randy Johnson SEA 29 19 4 .655
1998 David Cone NY 31 20 7 .645
1999 Pedro Martinez BOS 29 22 4 .759
2000 Jose Mercedes BAL 20 13 5 .650
2001 Paul Abbott SEA 27 17 4 .630
2002 Pedro Martinez BOS 30 20 4 .667
2003 Sidney Ponson BAL 21 14 6 .667
2004 Curt Schilling BOS 32 21 6 .656
2005 Bartolo Colon LA 33 21 8 .636
2006 Francisco Liriano MIN 16 11 3 .688
2007 Josh Beckett BOS 30 20 7 .667
2008 Cliff Lee CLE 31 22 3 .710
2009 Kevin Slowey MIN 16 10 3 .625
2010 CC Sabathia NY 34 21 7 .618
For an explanation of Win/Start Pct, see Starting Pitchers Tables Guide
Copyright © 2009-10 by Andre Lower
Sources:
All-Time Major League Handbook
Win Shares Digital Update
baseball-reference.com
ESPN Baseball Encyclopedia