Leaders & Trailers

Leaders and Trailers
Single Season, Players
(only includes games for which Retrosheet has released play-by-play data)

Leaders and Trailers for a Specific League/Season (1916 to 2019)

Multiple Seasons (Players):
Leaders and Trailers over Full Retrosheet Era (1916 to 2019)

Players: Single-Season, Career; Teams: Single-Season

Statistics to Show for Leaders and Trailers

Regular Season Only
Total Wins (Wins, Losses, WOPA, WORL):    pWins    eWins
Batting    Baserunning    Offense    Pitching    Fielding (all positions)    Defense
By Position:    P    C    1B    2B    3B    SS    LF    CF    RF    DH    PH    PR    P Off.    SP    RP
By Component :    1    2    3    4    3&4    5    6    7    8    9    8&9
Fielding, by Position:    P    C    1B    2B    3B    SS    LF    CF    RF

Postseason (Players only):    Total, All Series    World Series    League Championship Series    Division Series    Wild Card Round
Total Wins (Regular Season plus Postseason):    pWins    eWins

Missing games extrapolated

Pitching Wins
Top 10 Players           Pitching Losses
Top 10 Players

Player Season eWins eLosses
Net Wins
          Player Season eWins eLosses
Net Wins

1 Bob Feller 1946 23.4 18.4
5.0
1 Mickey Lolich 1971 21.5 19.6
2.0
2 Mickey Lolich 1971 21.5 19.6
2.0
2 Bobo Newsom 1938 18.3 18.8
-0.6
3 Robin Roberts 1953 21.4 15.2
6.1
3 Bob Feller 1946 23.4 18.4
5.0
4 Bob Feller 1940 21.3 15.5
5.8
4 Nolan Ryan 1974 20.9 18.4
2.5
5 Gaylord Perry 1972 21.2 16.3
4.8
5 Gaylord Perry 1973 19.5 18.2
1.3
6 Nolan Ryan 1974 20.9 18.4
2.5
6 Stan Bahnsen 1973 17.8 18.2
-0.4
7 Nolan Ryan 1973 20.9 16.8
4.1
7 Phil Niekro 1977 19.6 18.1
1.5
8 Gaylord Perry 1970 20.3 16.9
3.3
8 Wilbur Wood 1973 19.3 18.1
1.2
9 Fergie Jenkins 1974 20.2 15.7
4.5
9 Nolan Ryan 1972 19.4 18.0
1.3
10 Sandy Koufax 1965 20.1 14.9
5.2
10 Mickey Lolich 1974 17.5 18.0
-0.5

Net Pitching Wins
Top 10 Players           Net Pitching Losses
Top 10 Players

Player Season eWins eLosses
Net Wins
          Player Season eWins eLosses
Net Wins

1 Pedro J. Martinez 2000 15.5 7.7 7.7
1 Matt Keough 1982 12.5 17.0 -4.6
2 Roger Clemens 1997 17.3 10.1 7.2
2 James Shields 2016 12.4 16.5 -4.1
3 Greg Maddux 1995 13.7 6.8 6.9
3 Phil Ortega 1965 10.9 14.9 -4.0
4 Pedro J. Martinez 1999 14.7 7.9 6.8
4 Al Jackson 1963 12.5 16.5 -3.9
5 Dean Chance 1964 17.3 11.0 6.3
5 Jose Lima 2005 9.8 13.7 -3.9
6 Jake Arrieta 2015 15.5 9.2 6.3
6 Jered Weaver 2016 10.3 14.1 -3.8
7 Robin Roberts 1953 21.4 15.2 6.1
7 Bob Knepper 1979 10.6 14.4 -3.7
8 Greg Maddux 1994 12.5 6.5 6.0
8 Bronson Arroyo 2011 10.7 14.4 -3.7
9 Pedro J. Martinez 1997 16.5 10.5 5.9
9 Dave Mlicki 2001 9.5 13.2 -3.7
10 Ron Guidry 1978 16.6 10.7 5.9
10 Ryan Rowland-Smith 2010 6.0 9.5 -3.5

The information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at "www.retrosheet.org".
Baseball player won-lost records have been constructed by Tom Thress. Feel free to contact me by e-mail, follow me on Twitter, and/or subscribe to my YouTube channel.

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			Pitching Wins Top 10 Players						Pitching Losses Top 10 Players
	Player	Season	eWins	eLosses	Net Wins		Player	Season	eWins	eLosses	Net Wins
1	Bob Feller	1946	23.4	18.4	5.0	1	Mickey Lolich	1971	21.5	19.6	2.0
2	Mickey Lolich	1971	21.5	19.6	2.0	2	Bobo Newsom	1938	18.3	18.8	-0.6
3	Robin Roberts	1953	21.4	15.2	6.1	3	Bob Feller	1946	23.4	18.4	5.0
4	Bob Feller	1940	21.3	15.5	5.8	4	Nolan Ryan	1974	20.9	18.4	2.5
5	Gaylord Perry	1972	21.2	16.3	4.8	5	Gaylord Perry	1973	19.5	18.2	1.3
6	Nolan Ryan	1974	20.9	18.4	2.5	6	Stan Bahnsen	1973	17.8	18.2	-0.4
7	Nolan Ryan	1973	20.9	16.8	4.1	7	Phil Niekro	1977	19.6	18.1	1.5
8	Gaylord Perry	1970	20.3	16.9	3.3	8	Wilbur Wood	1973	19.3	18.1	1.2
9	Fergie Jenkins	1974	20.2	15.7	4.5	9	Nolan Ryan	1972	19.4	18.0	1.3
10	Sandy Koufax	1965	20.1	14.9	5.2	10	Mickey Lolich	1974	17.5	18.0	-0.5

			Net Pitching Wins Top 10 Players						Net Pitching Losses Top 10 Players
	Player	Season	eWins	eLosses	Net Wins		Player	Season	eWins	eLosses	Net Wins
1	Pedro J. Martinez	2000	15.5	7.7	7.7	1	Matt Keough	1982	12.5	17.0	-4.6
2	Roger Clemens	1997	17.3	10.1	7.2	2	James Shields	2016	12.4	16.5	-4.1
3	Greg Maddux	1995	13.7	6.8	6.9	3	Phil Ortega	1965	10.9	14.9	-4.0
4	Pedro J. Martinez	1999	14.7	7.9	6.8	4	Al Jackson	1963	12.5	16.5	-3.9
5	Dean Chance	1964	17.3	11.0	6.3	5	Jose Lima	2005	9.8	13.7	-3.9
6	Jake Arrieta	2015	15.5	9.2	6.3	6	Jered Weaver	2016	10.3	14.1	-3.8
7	Robin Roberts	1953	21.4	15.2	6.1	7	Bob Knepper	1979	10.6	14.4	-3.7
8	Greg Maddux	1994	12.5	6.5	6.0	8	Bronson Arroyo	2011	10.7	14.4	-3.7
9	Pedro J. Martinez	1997	16.5	10.5	5.9	9	Dave Mlicki	2001	9.5	13.2	-3.7
10	Ron Guidry	1978	16.6	10.7	5.9	10	Ryan Rowland-Smith	2010	6.0	9.5	-3.5