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 (1918 to 2019)

Multiple Seasons (Players):  
  to  

Leaders and Trailers over Full Retrosheet Era (1918 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



pWins
Top 10 Teams
          pLosses
Top 10 Teams
Team Season pWins pLosses pWOPA           Team Season pWins pLosses pWOPA
1Seattle Mariners2001278.0208.069.0
98.5
1New York Mets1962201.5281.5-79.9
-52.4
2New York Yankees1998276.0210.065.6
94.3
2Detroit Tigers2003205.0281.0-77.1
-48.0
3New York Yankees1961272.5216.556.1
84.2
3Baltimore Orioles2018209.0277.0-68.8
-39.4
4Baltimore Orioles1969271.0215.055.0
82.3
4New York Mets1965215.0277.0-62.2
-34.2
5Boston Red Sox2018270.0216.053.2
82.5
5Detroit Tigers2019208.0275.0-67.8
-37.6
6New York Mets1986270.0216.054.3
80.5
6Arizona Diamondbacks2004213.0273.0-60.3
-32.0
7Baltimore Orioles1970270.0216.053.3
80.3
7New York Mets1963213.0273.0-60.6
-33.3
8Cincinnati Reds1975270.0216.053.8
80.2
8Houston Astros2013213.0273.0-60.5
-31.4
9Houston Astros2019269.0217.051.6
81.6
9New York Mets1964216.5272.5-56.3
-28.7
10Detroit Tigers1968268.0224.043.7
70.9
10Montreal Expos1969214.0272.0-59.5
-31.6


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 Mariners2001278.0208.069.0
98.5
1Seattle Mariners2001278.0208.069.0
98.5
2Cleveland Indians1954268.0200.068.0
95.2
2Cleveland Indians1954268.0200.068.0
95.2
3New York Yankees1927265.5199.566.1
92.9
3New York Yankees1998276.0210.065.6
94.3
4New York Yankees1998276.0210.065.6
94.3
4New York Yankees1927265.5199.566.1
92.9
5New York Yankees1932264.5203.561.5
87.9
5New York Yankees1932264.5203.561.5
87.9
6New York Yankees1939258.5197.561.3
87.4
6New York Yankees1939258.5197.561.3
87.4
7Philadelphia Athletics1931254.5195.558.7
84.4
7St. Louis Cardinals1942263.0205.058.1
85.1
8St. Louis Cardinals1942263.0205.058.1
85.1
8Philadelphia Athletics1931254.5195.558.7
84.4
9St. Louis Cardinals1943263.5207.556.4
82.5
9New York Yankees1961272.5216.556.1
84.2
10New York Yankees1961272.5216.556.1
84.2
10Brooklyn Dodgers1953260.5204.555.8
83.4


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 Mets1962201.5281.5-79.9
-52.4
1New York Mets1962201.5281.5-79.9
-52.4
2Boston Braves1935191.0268.0-77.5
-51.4
2Boston Braves1935191.0268.0-77.5
-51.4
3Detroit Tigers2003205.0281.0-77.1
-48.0
3Detroit Tigers2003205.0281.0-77.1
-48.0
4Pittsburgh Pirates1952197.5267.5-69.8
-42.6
4Pittsburgh Pirates1952197.5267.5-69.8
-42.6
5St. Louis Browns1939200.0268.0-68.8
-40.9
5Boston Red Sox1932197.0265.0-68.6
-41.9
6Baltimore Orioles2018209.0277.0-68.8
-39.4
6Philadelphia Phillies1941198.5266.5-68.3
-41.5
7Boston Red Sox1932197.0265.0-68.6
-41.9
7Philadelphia Phillies1942193.0260.0-67.5
-41.3
8Philadelphia Phillies1941198.5266.5-68.3
-41.5
8St. Louis Browns1939200.0268.0-68.8
-40.9
9Detroit Tigers2019208.0275.0-67.8
-37.6
9Baltimore Orioles2018209.0277.0-68.8
-39.4
10Philadelphia Phillies1942193.0260.0-67.5
-41.3
10Detroit Tigers2019208.0275.0-67.8
-37.6


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