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



Defensive Wins
Top 10 Players		           Defensive Losses
Top 10 Players
Player eWins eLosses           Player eWins eLosses
1Roy Halladay16.111.8
4.3
1Brian Bannister11.514.4
-2.9
2Mark Buehrle14.512.7
1.9
2Andy Pettitte13.412.9
0.5
3Cliff P. Lee14.09.6
4.3
3Mark Buehrle14.512.7
1.9
4Andy Pettitte13.412.9
0.5
4Edwin Jackson11.312.3
-1.0
5Mike Mussina13.311.3
2.0
5Gavin Floyd11.912.2
-0.4
6Jon Lester12.910.6
2.3
6Kenny Rogers10.512.0
-1.5
7Ervin Santana12.910.6
2.4
7Paul Byrd10.812.0
-1.3
8Zack Greinke12.811.6
1.2
8Justin Verlander12.512.0
0.5
9Javier Vazquez12.711.3
1.4
9A.J. Burnett12.711.8
0.9
10A.J. Burnett12.711.8
0.9
10Roy Halladay16.111.8
4.3


Net Defensive Wins
Top 10 Players		           Net Defensive Losses
Top 10 Players
Player eWins eLosses           Player eWins eLosses
1Cliff P. Lee14.09.6
4.3
1Brian Bannister11.514.4
-2.9
2Roy Halladay16.111.8
4.3
2Miguel Batista6.79.6
-2.9
3Mariano Rivera6.83.3
3.5
3Daniel Cabrera8.911.3
-2.4
4Ervin Santana12.910.6
2.4
4Radhames Liz5.07.0
-2.0
5Jon Lester12.910.6
2.3
5Garrett Olson8.19.7
-1.6
6Justin Duchscherer8.36.1
2.1
6Carlos Silva9.210.8
-1.5
7Josh Beckett10.58.4
2.1
7Kenny Rogers10.512.0
-1.5
8Jonathan Papelbon5.43.4
2.0
8Steve Trachsel2.23.7
-1.5
9Joba Chamberlain7.35.2
2.0
9Jeremy Sowers7.18.6
-1.5
10Mike Mussina13.311.3
2.0
10Glen Perkins7.18.5
-1.4


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