Leaders & Trailers Baseball Player Won-Loss Records
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Leaders and Trailers
Single Season, Teams
(only includes games for which Retrosheet has released play-by-play data)

Positional Average (Weighted Avg of Options): 0.500 (1-Year) (9-Year) (Long-Run)

Positional Averages for Pitchers (Wgted Avg of Options): 0.500 vs. Different Values for Starting vs. Relief Pitchers: (Empirical) (Based on Pitchers who Do Both)


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

Multiple Seasons (Players):  
  to  

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



Defensive Wins
Top 10 Teams		           Defensive Losses
Top 10 Teams
Team Season eWins eLosses           Team Season eWins eLosses
1Kansas City Royals1985132.2121.6
10.6
1New York Mets1963120.9138.3
-17.4
2California Angels1969130.4123.1
7.3
2Detroit Tigers1996120.1138.1
-18.0
3Seattle Mariners2009130.4123.6
6.7
3Philadelphia Athletics1954119.5137.3
-17.7
4Toronto Blue Jays1991130.3115.1
15.2
4Florida Marlins1998119.1136.5
-17.4
5Pittsburgh Pirates2015130.1117.8
12.3
5Baltimore Orioles2018122.3135.6
-13.3
6Atlanta Braves2002129.4113.4
16.1
6Oakland Athletics1979125.9135.2
-9.3
7Chicago White Sox1990129.2119.9
9.3
7Kansas City Athletics1964116.6135.1
-18.5
8Washington Nationals2005129.1126.9
2.2
8Seattle Mariners1977122.1134.9
-12.8
9Baltimore Orioles2012129.0121.9
7.1
9San Diego Padres1974120.9134.8
-13.9
10Cincinnati Reds1967128.7123.0
5.8
10Washington Senators II1963123.7134.2
-10.5


Net Defensive Wins
Top 10 Teams		           Net Defensive Losses
Top 10 Teams
Team Season eWins eLosses           Team Season eWins eLosses
1Cleveland Indians2017125.5107.7
17.9
1Kansas City Athletics1964116.6135.1
-18.5
2Houston Astros2018123.7106.0
17.7
2Detroit Tigers1996120.1138.1
-18.0
3Atlanta Braves2002129.4113.4
16.1
3Philadelphia Athletics1954119.5137.3
-17.7
4Atlanta Braves1998126.5110.6
16.0
4New York Mets1963120.9138.3
-17.4
5Baltimore Orioles1969122.0106.4
15.7
5Florida Marlins1998119.1136.5
-17.4
6Toronto Blue Jays1991130.3115.1
15.2
6St. Louis Browns1939115.1131.0
-15.9
7Atlanta Braves1999126.0110.8
15.2
7Cincinnati Reds2016117.9132.6
-14.8
8Houston Astros2019120.9105.7
15.2
8San Francisco Giants1979118.0132.7
-14.7
9Chicago White Sox1964123.3108.3
15.1
9Philadelphia Phillies1945115.2129.7
-14.5
10Cleveland Indians1954121.4106.4
15.0
10Cincinnati Reds2004118.3132.3
-14.1


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