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 (1919 to 2018)

Multiple Seasons (Players):  
  to  

Leaders and Trailers over Full Retrosheet Era (1919 to 2018)

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



pWins
Top 10 Teams
          pLosses
Top 10 Teams
Team Season pWins pLosses pWOPA           Team Season pWins pLosses pWOPA
1Seattle Mariners2001278.0208.069.4
98.7
1New York Mets1962201.5281.5-81.1
-53.5
2New York Yankees1998276.0210.066.0
94.6
2Detroit Tigers2003205.0281.0-76.7
-47.7
3New York Yankees1961272.5216.554.7
82.8
3Baltimore Orioles2018209.0277.0-68.5
-39.3
4Baltimore Orioles1969271.0215.053.8
81.2
4New York Mets1965215.0277.0-63.4
-35.3
5Baltimore Orioles1970270.0216.051.9
78.9
5Houston Astros2013213.0273.0-60.2
-31.1
6Boston Red Sox2018270.0216.053.4
82.5
6New York Mets1963213.0273.0-61.7
-34.4
7Cincinnati Reds1975270.0216.052.4
78.9
7Arizona Diamondbacks2004213.0273.0-59.7
-31.4
8New York Mets1986270.0216.052.9
79.1
8New York Mets1964216.5272.5-57.4
-29.6
9Atlanta Braves1998268.0218.051.3
79.1
9Montreal Expos1969214.0272.0-60.7
-32.7
10Detroit Tigers1968268.0224.042.3
69.6
10San Diego Padres1969214.0272.0-60.5
-32.5


pWins over Positional Average
Top 10 Teams
          pWins over Replacement Level
Top 10 Teams
Team Season pWins pLosses pWOPA           Team Season pWins pLosses pWOPA
1Seattle Mariners2001278.0208.069.4
98.7
1Seattle Mariners2001278.0208.069.4
98.7
2Cleveland Indians1954268.0200.066.5
93.8
2New York Yankees1998276.0210.066.0
94.6
3New York Yankees1998276.0210.066.0
94.6
3Cleveland Indians1954268.0200.066.5
93.8
4New York Yankees1927265.5199.564.9
91.8
4New York Yankees1927265.5199.564.9
91.8
5New York Yankees1939258.5197.560.0
86.3
5New York Yankees1939258.5197.560.0
86.3
6Philadelphia Athletics1931254.5195.557.3
83.4
6St. Louis Cardinals1942263.0205.056.8
83.9
7St. Louis Cardinals1942263.0205.056.8
83.9
7Philadelphia Athletics1931254.5195.557.3
83.4
8St. Louis Cardinals1943263.5207.555.1
81.3
8New York Yankees1961272.5216.554.7
82.8
9New York Yankees1961272.5216.554.7
82.8
9Boston Red Sox2018270.0216.053.4
82.5
10St. Louis Cardinals1944263.5207.554.4
80.8
10Brooklyn Dodgers1953260.5204.554.4
82.1


pWins over Positional Average
Bottom 10 Teams
          pWins over Replacement Level
Bottom 10 Teams
Team Season pWins pLosses pWOPA           Team Season pWins pLosses pWOPA
1New York Mets1962201.5281.5-81.1
-53.5
1New York Mets1962201.5281.5-81.1
-53.5
2Boston Braves1935191.0268.0-78.4
-52.1
2Boston Braves1935191.0268.0-78.4
-52.1
3Detroit Tigers2003205.0281.0-76.7
-47.7
3Detroit Tigers2003205.0281.0-76.7
-47.7
4Pittsburgh Pirates1952197.5267.5-70.9
-43.6
4Pittsburgh Pirates1952197.5267.5-70.9
-43.6
5St. Louis Browns1939200.0268.0-69.8
-41.8
5Philadelphia Phillies1941198.5266.5-69.3
-42.4
6Philadelphia Phillies1941198.5266.5-69.3
-42.4
6Philadelphia Phillies1942193.0260.0-68.5
-42.2
7Philadelphia Phillies1942193.0260.0-68.5
-42.2
7St. Louis Browns1939200.0268.0-69.8
-41.8
8Baltimore Orioles2018209.0277.0-68.5
-39.3
8Baltimore Orioles2018209.0277.0-68.5
-39.3
9St. Louis Browns1937203.0265.0-63.9
-37.1
9St. Louis Browns1937203.0265.0-63.9
-37.1
10Philadelphia Phillies1945200.0262.0-63.6
-36.8
10Philadelphia Phillies1945200.0262.0-63.6
-36.8


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