Mark Leiter Sr. - Pitching
Baseball Player Won-Loss Records
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Mark Leiter Sr.
- Pitching
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)
Pitching Won-Lost Records
pWins over Positional Average
Season
Team
pWins
pLoss
Starter
Relief
Total
1990
NYA
1.2
1.5
0.3
-0.6
-0.6
1991
DET
7.1
7.2
0.4
-0.5
-0.5
1992
DET
5.9
6.2
-0.7
0.4
0.4
1993
DET
4.8
5.9
-0.2
-0.9
-0.9
1994
CAL
4.6
5.0
-0.0
-0.4
-0.4
1995
SFN
11.2
10.9
0.5
0.0
0.0
+
1996
 
10.3
13.0
-2.5
-0.0
-2.5
MON
3.7
3.4
0.3
-
0.3
SFN
6.7
9.6
-2.8
-0.0
-2.8
1997
PHI
10.2
14.1
-3.7
-
-
1998
PHI
6.7
5.9
-
0.6
0.6
1999
SEA
0.0
0.0
-
-0.0
-0.0
2000
-
-
-
-
-
-
2001
MIL
1.6
1.3
0.3
-0.1
-0.1
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CAREER (reg. season)
63.6
71.0
-5.7
-1.4
-7.1
Pitching Won-Lost Records by Component
Component 1
Component 2
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1990
NYA
0.0
0.0
0.0
0.0
0.1
-0.0
1991
DET
0.1
0.1
0.0
0.1
0.0
0.1
1992
DET
0.2
0.1
0.2
0.1
0.1
0.0
1993
DET
0.1
0.1
-0.0
0.1
0.1
-0.1
1994
CAL
0.2
0.1
0.1
0.1
0.0
0.1
1995
SFN
0.3
0.2
0.1
0.2
0.2
-0.0
+
1996
 
0.2
0.2
-0.0
0.2
0.2
-0.0
MON
0.1
0.1
0.0
0.1
0.1
-0.1
SFN
0.2
0.2
-0.0
0.1
0.1
0.0
1997
PHI
0.2
0.3
-0.0
0.2
0.2
-0.1
1998
PHI
0.1
0.0
0.0
0.1
0.1
-0.0
1999
SEA
0.0
0.0
0.0
0.0
0.0
0.0
2000
-
-
-
-
-
-
-
2001
MIL
0.0
0.0
-0.0
0.0
0.0
0.0
------
------
------
------
------
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CAREER
1.4
1.1
0.4
1.0
1.1
-0.1
Component 3
Component 4
Combined
Season
Team
eWins
eLoss
eWins
eLoss
eWins
eLoss
Net Wins
1990
NYA
0.5
0.3
0.7
1.5
1.2
1.8
-0.6
1991
DET
2.2
1.5
3.7
4.9
5.8
6.4
-0.6
1992
DET
1.5
1.2
2.8
3.7
4.3
4.8
-0.5
1993
DET
1.4
1.2
2.9
4.0
4.4
5.2
-0.8
1994
CAL
1.6
1.1
2.6
3.2
4.2
4.4
-0.2
1995
SFN
2.6
2.1
4.8
6.6
7.4
8.7
-1.3
+
1996
 
3.5
2.4
5.1
9.3
8.6
11.7
-3.1
MON
1.0
0.8
1.8
3.0
2.8
3.7
-0.9
SFN
2.5
1.6
3.3
6.4
5.8
8.0
-2.2
1997
PHI
3.0
2.0
4.6
7.3
7.6
9.3
-1.6
1998
PHI
1.9
1.5
2.2
2.4
4.1
3.9
0.1
1999
SEA
0.0
0.0
0.0
0.0
0.1
0.0
0.0
2000
-
-
-
-
-
-
-
-
2001
MIL
0.6
0.2
1.1
1.2
1.6
1.5
0.2
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CAREER
18.7
13.6
30.6
44.2
49.3
57.7
-8.4
Component 5
Component 6
Component 7
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1990
NYA
0.2
0.3
-0.0
0.0
0.1
-0.0
0.0
0.0
-0.0
1991
DET
1.0
0.9
0.1
0.1
0.1
0.0
0.0
0.1
-0.0
1992
DET
0.8
0.8
0.0
0.1
0.1
0.0
0.0
0.0
-0.0
1993
DET
0.9
0.8
0.1
0.1
0.0
0.0
0.0
0.0
-0.0
1994
CAL
0.7
0.7
-0.0
0.1
0.1
0.0
0.0
0.0
-0.0
1995
SFN
1.7
1.4
0.4
0.1
0.1
-0.0
0.1
0.0
0.1
+
1996
 
1.6
1.6
0.1
0.2
0.2
-0.1
0.0
0.1
-0.1
MON
0.6
0.5
0.2
0.0
0.1
-0.1
0.0
0.0
-0.0
SFN
1.0
1.1
-0.1
0.1
0.1
-0.0
0.0
0.0
-0.0
1997
PHI
1.4
1.7
-0.2
0.2
0.3
-0.1
0.0
0.1
-0.0
1998
PHI
0.6
0.6
-0.0
0.1
0.1
0.0
0.0
0.0
-0.0
1999
SEA
0.0
0.0
-0.0
0.0
0.0
-0.0
-
-
-
2000
-
-
-
-
-
-
-
-
-
-
2001
MIL
0.2
0.2
0.0
0.0
0.0
0.0
0.0
0.0
-0.0
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------
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------
------
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CAREER
9.4
9.0
0.4
1.0
1.2
-0.2
0.2
0.3
-0.1
Contextual Adjustments
Context Multipliers
Win Adjustments
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
1990
NYA
0.83
0.89
0.74
-0.000
0.048
1991
DET
0.92
1.05
0.97
0.002
0.006
1992
DET
0.97
1.07
1.04
-0.004
0.003
1993
DET
1.04
0.87
0.90
-0.016
-0.003
1994
CAL
0.97
0.90
0.88
-0.008
-0.001
1995
SFN
0.99
1.10
1.09
0.002
0.022
+
1996
 
0.92
1.02
0.94
0.012
-0.005
MON
0.91
0.96
0.87
0.022
0.049
SFN
0.92
1.05
0.97
0.008
-0.028
1997
PHI
0.91
1.24
1.13
-0.008
-0.021
1998
PHI
1.87
0.70
1.31
-0.031
0.056
1999
SEA
0.87
0.84
0.73
0.010
-0.126
2000
-
-
-
-
-
-
2001
MIL
0.57
1.38
0.78
0.044
-0.023
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CAREER
1.01
1.01
1.01
-0.002
0.005
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