Leaders & Trailers Baseball Player Won-Loss Records
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Leaders and Trailers
1966 Major Leagues
(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
Top 10 Players		           pLosses
Top 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1Roberto Clemente26.619.25.8
8.0
1Sonny Jackson18.921.0-1.2
0.8
2Willie Mays26.116.68.5
10.6
2Glenn Beckert17.320.9-2.7
-0.9
3Hank Aaron25.618.55.4
7.5
3Maury Wills20.820.61.1
3.1
4Frank Robinson24.917.06.4
8.4
4Vada Pinson20.320.5-1.5
0.5
5Tommie Agee24.520.03.2
5.3
5Dick Groat19.520.3-0.0
1.9
6Carl Yastrzemski23.920.12.4
4.5
6Lou Brock22.420.20.5
2.5
7Dick Allen23.116.06.3
8.2
7Pete Rose Sr.19.520.20.0
1.9
8Jim Fregosi23.019.54.4
6.4
8Billy Williams19.420.1-2.4
-0.5
9Sandy Koufax22.816.18.0
10.4
9Carl Yastrzemski23.920.12.4
4.5
10Tony Oliva22.818.13.1
5.0
10Tommie Agee24.520.03.2
5.3


pWins over Positional Average
Top 10 Players		           pWins over Replacement Level
Top 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1Juan Marichal22.614.39.4
11.5
1Juan Marichal22.614.39.4
11.5
2Willie Mays26.116.68.5
10.6
2Willie Mays26.116.68.5
10.6
3Sandy Koufax22.816.18.0
10.4
3Sandy Koufax22.816.18.0
10.4
4Frank Robinson24.917.06.4
8.4
4Frank Robinson24.917.06.4
8.4
5Willie Stargell21.113.86.3
8.0
5Jim Kaat20.916.06.1
8.2
6Dick Allen23.116.06.3
8.2
6Dick Allen23.116.06.3
8.2
7Jim Kaat20.916.06.1
8.2
7Willie Stargell21.113.86.3
8.0
8Willie McCovey19.712.45.9
7.5
8Roberto Clemente26.619.25.8
8.0
9Roberto Clemente26.619.25.8
8.0
9Hank Aaron25.618.55.4
7.5
10Gaylord Perry17.412.65.7
7.5
10Gaylord Perry17.412.65.7
7.5


pWins over Positional Average
Bottom 10 Players		           pWins over Replacement Level
Bottom 10 Players
Player pWins pLosses pWOPA           Player pWins pLosses pWOPA
1Dick Ellsworth13.719.4-4.6
-2.6
1Dick Ellsworth13.719.4-4.6
-2.6
2Don Kessinger14.919.4-3.7
-2.0
2Tommy McCraw10.813.2-3.6
-2.4
3Tommy McCraw10.813.2-3.6
-2.4
3Joe Sparma4.07.4-3.1
-2.4
4Bob Aspromonte15.318.0-3.4
-1.8
4Dick Selma3.26.2-2.8
-2.1
5Joe Pepitone17.819.1-3.3
-1.6
5Don Kessinger14.919.4-3.7
-2.0
6Sammy Ellis14.718.6-3.2
-1.0
6Tug McGraw3.86.6-2.6
-1.9
7Cleon Jones16.118.1-3.2
-1.5
7Bob Aspromonte15.318.0-3.4
-1.8
8Joe Sparma4.07.4-3.1
-2.4
8Frank Kreutzer1.94.1-2.1
-1.7
9Jose Cardenal16.318.2-3.0
-1.3
9H. Tommy Davis9.010.9-2.6
-1.7
10Mike Hershberger17.118.5-3.0
-1.3
10Frank Bolling5.37.9-2.3
-1.6


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