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



Pitching Wins
Top 10 Players		           Pitching Losses
Top 10 Players
Player eWins eLosses           Player eWins eLosses
1Roy Halladay15.511.6
4.0
1Brian Bannister11.214.1
-2.9
2Mark Buehrle14.212.2
2.0
2Andy Pettitte13.112.5
0.6
3Cliff P. Lee13.79.4
4.4
3Edwin Jackson11.112.2
-1.1
4Andy Pettitte13.112.5
0.6
4Mark Buehrle14.212.2
2.0
5Mike Mussina12.710.9
1.8
5Gavin Floyd11.611.9
-0.3
6Ervin Santana12.710.4
2.3
6Justin Verlander12.211.9
0.4
7Jon Lester12.710.4
2.3
7Paul Byrd10.611.9
-1.3
8Zack Greinke12.611.2
1.4
8Kenny Rogers9.811.7
-1.8
9A.J. Burnett12.411.3
1.1
9Greg T. Smith11.311.6
-0.3
10Javier Vazquez12.411.1
1.2
10Roy Halladay15.511.6
4.0


Net Pitching Wins
Top 10 Players		           Net Pitching Losses
Top 10 Players
Player eWins eLosses           Player eWins eLosses
1Cliff P. Lee13.79.4
4.4
1Brian Bannister11.214.1
-2.9
2Roy Halladay15.511.6
4.0
2Miguel Batista6.69.5
-2.9
3Mariano Rivera6.63.2
3.4
3Daniel Cabrera8.811.2
-2.3
4Ervin Santana12.710.4
2.3
4Radhames Liz4.96.8
-1.9
5Jon Lester12.710.4
2.3
5Kenny Rogers9.811.7
-1.8
6Jonathan Papelbon5.43.3
2.1
6Garrett Olson7.99.5
-1.6
7Justin Duchscherer8.26.1
2.1
7Carlos Silva9.010.6
-1.6
8Mark Buehrle14.212.2
2.0
8Glen Perkins6.98.4
-1.5
9Josh Beckett10.48.4
2.0
9Steve Trachsel2.23.7
-1.5
10Joakim Soria5.43.5
2.0
10Brian Burres7.18.5
-1.5


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