Leaders & Trailers Baseball Player Won-Loss Records
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Leaders and Trailers
2008 American League
(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



pWins (incl. postseason)
Top 10 Players		           pLosses (incl. postseason)
Top 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1B.J. Upton23.518.25.1
7.1
1Ichiro Suzuki21.922.6-1.4
0.7
2Ichiro Suzuki21.922.6-1.4
0.7
2Raul Ibanez21.221.5-1.2
0.9
3Dustin Pedroia21.919.82.7
4.6
3Orlando Cabrera21.820.52.5
4.5
4Orlando Cabrera21.820.52.5
4.5
4Jose C. Lopez19.920.5-0.2
1.7
5Nick Markakis21.619.11.7
3.6
5Jermaine Dye18.820.1-2.2
-0.3
6Bobby Abreu21.519.31.4
3.3
6Alexis Rios20.420.0-0.2
1.7
7Akinori Iwamura21.418.73.2
5.1
7Dustin Pedroia21.919.82.7
4.6
8Raul Ibanez21.221.5-1.2
0.9
8Brian Roberts18.419.5-0.6
1.1
9Alexis Rios20.420.0-0.2
1.7
9Yuniesky Betancourt14.519.4-3.8
-2.2
10Josh Hamilton20.317.82.1
4.0
10Bobby Abreu21.519.31.4
3.3


pWins over Positional Average
Top 10 Players		           pWins over Replacement Level
Top 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1Cliff P. Lee15.78.17.9
9.5
1Cliff P. Lee15.78.17.9
9.5
2Roy Halladay16.411.55.2
7.1
2Roy Halladay16.411.55.2
7.1
3B.J. Upton23.518.25.1
7.1
3B.J. Upton23.518.25.1
7.1
4Joe Mauer16.312.05.0
6.4
4Joe Mauer16.312.05.0
6.4
5Mariano Rivera7.52.64.7
5.7
5Jon Lester15.411.14.5
6.4
6Manny Ramirez14.59.64.6
5.8
6Daisuke Matsuzaka13.29.14.3
5.9
7Jon Lester15.411.14.5
6.4
7Joe Saunders13.49.34.3
5.8
8Daisuke Matsuzaka13.29.14.3
5.9
8Manny Ramirez14.59.64.6
5.8
9Joe Saunders13.49.34.3
5.8
9Carlos Quentin18.814.14.1
5.7
10Carlos Quentin18.814.14.1
5.7
10Mariano Rivera7.52.64.7
5.7


pWins over Positional Average
Bottom 10 Players		           pWins over Replacement Level
Bottom 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1Miguel Batista5.810.6-4.8
-3.6
1Miguel Batista5.810.6-4.8
-3.6
2Brian Bannister10.715.2-4.3
-2.5
2Brian Bannister10.715.2-4.3
-2.5
3Yuniesky Betancourt14.519.4-3.8
-2.2
3Yuniesky Betancourt14.519.4-3.8
-2.2
4Carlos Silva8.311.8-3.3
-1.9
4Gio Gonzalez1.74.2-2.5
-2.1
5Kevin Millar12.815.0-3.2
-1.8
5Luis Mendoza3.66.4-2.8
-2.1
6Ross Gload8.310.4-2.8
-2.0
6Richie Sexson6.89.0-2.8
-2.0
7Jarrod Washburn8.311.2-2.8
-1.5
7Ross Gload8.310.4-2.8
-2.0
8Luis Mendoza3.66.4-2.8
-2.1
8Clay Buchholz4.47.3-2.8
-2.0
9Clay Buchholz4.47.3-2.8
-2.0
9Carlos Silva8.311.8-3.3
-1.9
10Richie Sexson6.89.0-2.8
-2.0
10Joey Gathright7.39.9-2.7
-1.9


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