Ron Mahay - Player Record
Baseball Player Won-Loss Records
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Ron Mahay - Player Record
Traditional Statistics and Splits (Retrosheet)
(
Player Game Log
)
Compare Ron Mahay to:
Most Similar Players to Ron Mahay
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)
Basic Player Won-Lost Records
Value Decomposition
Season
Team
Age
Games
pWins
pLosses
pWORL
pWOPA
1995
BOS
24
5
0.4
0.9
-0.4
-0.5
1996
-
25
-
-
-
-
-
1997
BOS
26
28
1.0
0.8
0.4
0.2
1998
BOS
27
29
1.3
1.3
0.2
-0.1
1999
OAK
28
6
0.6
0.2
0.4
0.4
+
2000
29
24
1.2
2.0
-0.5
-0.7
FLO
18
0.8
0.9
0.0
-0.1
OAK
6
0.5
1.0
-0.5
-0.6
2001
CHN
30
17
0.3
0.3
0.0
-0.0
2002
CHN
31
11
0.5
0.2
0.3
0.2
2003
TEX
32
35
2.6
2.3
0.7
0.3
2004
TEX
33
60
3.0
2.2
1.1
0.6
2005
TEX
34
30
1.2
1.7
-0.2
-0.5
2006
TEX
35
62
2.1
2.8
-0.3
-0.7
+
2007
36
58
2.5
2.3
0.6
0.1
ATL
30
1.3
1.5
-0.0
-0.3
TEX
28
1.3
0.8
0.6
0.4
2008
KCA
37
57
4.3
2.5
2.4
1.7
+
2009
38
57
1.3
2.0
-0.3
-0.7
KCA
41
1.0
1.7
-0.4
-0.7
MIN
16
0.3
0.3
0.1
0.1
2010
MIN
39
41
0.6
0.9
-0.2
-0.3
------
------
------
------
------
CAREER (reg. season)
520
22.9
22.3
4.3
0.1
------
------
------
------
------
PostSeason (career)
3
0.0
0.0
0.0
0.0
------
------
------
------
------
COMBINED
523
23.0
22.3
4.3
0.1
Expected Player Won-Lost Records
Value Decomposition
Season
Team
Age
Games
eWins
eLosses
eWORL
eWOPA
1995
BOS
24
5
0.5
0.8
-0.2
-0.3
1996
-
25
-
-
-
-
-
1997
BOS
26
28
0.9
0.8
0.2
0.1
1998
BOS
27
29
1.2
1.3
0.1
-0.1
1999
OAK
28
6
0.6
0.3
0.3
0.3
+
2000
29
24
1.3
1.9
-0.3
-0.5
FLO
18
0.7
1.0
-0.0
-0.2
OAK
6
0.6
0.9
-0.2
-0.4
2001
CHN
30
17
0.3
0.4
0.0
-0.1
2002
CHN
31
11
0.3
0.4
-0.1
-0.2
2003
TEX
32
35
2.7
2.1
1.0
0.5
2004
TEX
33
60
2.9
2.3
1.1
0.6
2005
TEX
34
30
1.3
1.6
-0.0
-0.3
2006
TEX
35
62
2.5
2.4
0.4
-0.0
+
2007
36
58
2.6
2.2
0.8
0.3
ATL
30
1.5
1.3
0.4
0.2
TEX
28
1.1
0.9
0.3
0.1
2008
KCA
37
57
3.4
3.4
0.5
-0.1
+
2009
38
57
1.5
1.8
-0.0
-0.3
KCA
41
1.2
1.5
-0.1
-0.4
MIN
16
0.3
0.3
0.1
0.0
2010
MIN
39
41
0.7
0.7
0.1
-0.0
------
------
------
------
------
CAREER (reg. season)
520
22.7
22.5
3.9
-0.3
------
------
------
------
------
PostSeason (career)
3
0.0
0.0
0.0
0.0
------
------
------
------
------
COMBINED
523
22.8
22.5
3.9
-0.3
Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting
Baserunning
Pitching
Fielding
Season
Team
Wins
Losses
Wins
Losses
Wins
Losses
Wins
Losses
1995
BOS
0.4
0.4
0.0
0.0
-
-
0.2
0.4
1996
-
-
-
-
-
-
-
-
-
1997
BOS
-
-
-
-
0.9
0.8
0.0
0.0
1998
BOS
-
-
-
-
1.2
1.3
0.0
0.0
1999
OAK
-
-
-
-
0.5
0.3
0.0
0.0
+
2000
-
0.1
0.0
0.0
0.0
1.2
1.8
0.1
0.0
FLO
0.1
0.0
0.0
0.0
0.6
0.9
0.0
0.0
OAK
-
-
0.0
0.0
0.6
0.9
0.0
0.0
2001
CHN
0.0
0.0
0.0
0.0
0.3
0.4
0.0
0.0
2002
CHN
-
-
-
-
0.3
0.4
0.0
0.0
2003
TEX
-
-
-
-
2.5
1.9
0.2
0.2
2004
TEX
0.0
0.0
-
-
2.9
2.2
0.1
0.1
2005
TEX
-
-
0.0
0.0
1.3
1.5
0.0
0.1
2006
TEX
-
-
-
-
2.4
2.3
0.0
0.1
+
2007
-
0.0
0.0
-
-
2.6
2.2
0.0
0.0
ATL
0.0
0.0
-
-
1.5
1.3
0.0
0.0
TEX
-
-
-
-
1.1
0.9
0.0
0.0
2008
KCA
-
-
-
-
3.3
3.4
0.1
0.0
+
2009
-
-
-
-
-
1.5
1.7
0.0
0.1
KCA
-
-
-
-
1.2
1.4
0.0
0.1
MIN
-
-
-
-
0.3
0.3
0.0
0.0
2010
MIN
-
-
-
-
0.7
0.7
0.0
0.0
------
------
------
------
------
------
------
------
------
------
CAREER
0.4
0.4
0.0
0.0
21.6
21.0
0.7
1.0
Positional
Teammate Adjustments
Season
Team
Average
Repl. Level
Offensive
Defensive
1995
BOS
0.500
0.451
-0.00
-0.00
1996
-
-
-
-
-
1997
BOS
0.507
0.415
0.00
-0.00
1998
BOS
0.507
0.413
0.00
0.00
1999
OAK
0.502
0.421
0.00
-0.00
+
2000
-
0.499
0.416
-0.00
-0.01
FLO
0.498
0.409
-0.00
-0.01
OAK
0.500
0.423
-0.00
-0.00
2001
CHN
0.507
0.412
-0.00
-0.00
2002
CHN
0.509
0.412
0.00
-0.00
2003
TEX
0.507
0.411
0.00
-0.00
2004
TEX
0.509
0.415
0.00
0.00
2005
TEX
0.506
0.410
0.00
-0.00
2006
TEX
0.506
0.411
0.00
0.01
+
2007
-
0.507
0.411
-0.00
0.00
ATL
0.506
0.410
-0.00
-0.00
TEX
0.509
0.413
0.00
0.00
2008
KCA
0.510
0.414
0.00
0.00
+
2009
-
0.506
0.411
0.00
-0.01
KCA
0.506
0.410
0.00
-0.01
MIN
0.509
0.413
0.00
-0.00
2010
MIN
0.505
0.409
0.00
-0.00
------
------
------
------
------
------
CAREER
0.507
0.414
-0.00
-0.01
Contextual Adjustments
(Regular Season only)
Context Multipliers
Win Adjustments
Actual
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
Expected
1995
BOS
1.29
0.76
0.99
-0.026
-0.040
-0.011
1996
-
-
-
-
-
-
-
1997
BOS
0.82
0.79
0.64
0.021
0.025
0.001
1998
BOS
0.88
0.93
0.82
-0.005
0.006
-0.000
1999
OAK
0.49
1.10
0.54
0.040
0.025
0.015
+
2000
-
0.55
0.96
0.52
-0.003
-0.026
-0.009
FLO
0.46
0.97
0.45
0.019
0.008
-0.004
OAK
0.67
0.94
0.63
-0.018
-0.066
-0.014
2001
CHN
0.33
0.82
0.27
-0.023
0.053
-0.002
2002
CHN
0.31
1.07
0.33
0.263
0.008
-0.009
2003
TEX
1.13
0.90
1.01
-0.011
-0.014
0.003
2004
TEX
0.99
0.77
0.76
-0.001
0.012
0.003
2005
TEX
0.67
0.92
0.61
-0.045
0.010
-0.003
2006
TEX
0.92
0.86
0.79
-0.047
-0.030
0.000
+
2007
-
0.89
0.80
0.71
-0.040
0.023
0.002
ATL
1.46
0.72
1.06
-0.089
0.005
0.001
TEX
0.52
0.95
0.49
0.052
0.026
0.002
2008
KCA
1.02
0.98
1.00
0.117
0.022
-0.000
+
2009
-
0.62
0.83
0.52
-0.002
-0.045
-0.002
KCA
0.63
0.78
0.50
-0.011
-0.054
-0.003
MIN
0.54
1.19
0.64
0.075
-0.054
0.001
2010
MIN
0.49
0.76
0.37
-0.138
0.037
0.000
------
------
------
------
------
------
------
------
CAREER
0.79
0.87
0.69
0.008
0.003
-0.000
eWins, eLosses by Position
(Regular Season only)
Relief Pitcher
Starting Pitcher
Center Field
Season
Team
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
1995
BOS
-
-
-
-
-
-
0.5
0.8
-0.3
1996
-
-
-
-
-
-
-
-
-
-
1997
BOS
0.9
0.9
0.1
-
-
-
-
-
-
1998
BOS
1.2
1.3
-0.1
-
-
-
-
-
-
1999
OAK
0.3
0.1
0.1
0.3
0.1
0.1
-
-
-
+
2000
-
0.9
1.1
-0.3
0.4
0.7
-0.4
-
-
-
FLO
0.7
0.9
-0.2
-
-
-
-
-
-
OAK
0.2
0.2
-0.0
0.4
0.7
-0.4
-
-
-
2001
CHN
0.3
0.4
-0.1
-
-
-
-
-
-
2002
CHN
0.3
0.4
-0.2
-
-
-
-
-
-
2003
TEX
2.7
2.1
0.5
-
-
-
-
-
-
2004
TEX
2.9
2.3
0.5
-
-
-
-
-
-
2005
TEX
1.3
1.6
-0.3
-
-
-
-
-
-
2006
TEX
2.4
2.4
-0.0
-
-
-
-
-
-
+
2007
-
2.6
2.2
0.3
-
-
-
-
-
-
ATL
1.5
1.3
0.2
-
-
-
-
-
-
TEX
1.1
0.9
0.1
-
-
-
-
-
-
2008
KCA
3.4
3.4
-0.1
-
-
-
-
-
-
+
2009
-
1.5
1.8
-0.3
-
-
-
-
-
-
KCA
1.2
1.5
-0.4
-
-
-
-
-
-
MIN
0.3
0.3
0.0
-
-
-
-
-
-
2010
MIN
0.7
0.7
-0.0
-
-
-
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
21.5
20.8
0.1
0.6
0.9
-0.2
0.5
0.8
-0.3
Pitcher Offense
Pinch Runner
Pinch Hitter
Season
Team
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
1995
BOS
-
-
-
-
-
-
-
-
-
1996
-
-
-
-
-
-
-
-
-
-
1997
BOS
-
-
-
-
-
-
-
-
-
1998
BOS
-
-
-
-
-
-
-
-
-
1999
OAK
-
-
-
-
-
-
-
-
-
+
2000
-
0.1
0.0
0.1
0.0
0.0
0.0
-
-
-
FLO
0.0
0.0
0.1
-
-
-
-
-
-
OAK
-
-
-
0.0
0.0
0.0
-
-
-
2001
CHN
0.0
0.0
-0.0
-
-
-
-
-
-
2002
CHN
-
-
-
-
-
-
-
-
-
2003
TEX
-
-
-
-
-
-
-
-
-
2004
TEX
-
-
-
-
-
-
0.0
0.0
-0.0
2005
TEX
-
-
-
0.0
0.0
-0.0
-
-
-
2006
TEX
-
-
-
-
-
-
-
-
-
+
2007
-
0.0
0.0
-0.0
-
-
-
-
-
-
ATL
0.0
0.0
-0.0
-
-
-
-
-
-
TEX
-
-
-
-
-
-
-
-
-
2008
KCA
-
-
-
-
-
-
-
-
-
+
2009
-
-
-
-
-
-
-
-
-
-
KCA
-
-
-
-
-
-
-
-
-
MIN
-
-
-
-
-
-
-
-
-
2010
MIN
-
-
-
-
-
-
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
0.1
0.1
0.1
0.0
0.0
-0.0
0.0
0.0
-0.0
pWins, pLosses by Position
(Regular Season only)
Relief Pitcher
Starting Pitcher
Center Field
Season
Team
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
1995
BOS
-
-
-
-
-
-
0.4
0.9
-0.5
1996
-
-
-
-
-
-
-
-
-
-
1997
BOS
1.0
0.8
0.2
-
-
-
-
-
-
1998
BOS
1.3
1.3
-0.1
-
-
-
-
-
-
1999
OAK
0.3
0.1
0.1
0.3
0.1
0.2
-
-
-
+
2000
-
0.9
1.1
-0.2
0.3
0.8
-0.5
-
-
-
FLO
0.7
0.9
-0.2
-
-
-
-
-
-
OAK
0.2
0.2
-0.0
0.3
0.8
-0.5
-
-
-
2001
CHN
0.3
0.3
-0.0
-
-
-
-
-
-
2002
CHN
0.5
0.2
0.2
-
-
-
-
-
-
2003
TEX
2.6
2.3
0.3
-
-
-
-
-
-
2004
TEX
3.0
2.2
0.6
-
-
-
-
-
-
2005
TEX
1.2
1.7
-0.5
-
-
-
-
-
-
2006
TEX
2.1
2.8
-0.7
-
-
-
-
-
-
+
2007
-
2.5
2.3
0.1
-
-
-
-
-
-
ATL
1.3
1.5
-0.3
-
-
-
-
-
-
TEX
1.3
0.8
0.4
-
-
-
-
-
-
2008
KCA
4.3
2.5
1.7
-
-
-
-
-
-
+
2009
-
1.3
2.0
-0.7
-
-
-
-
-
-
KCA
1.0
1.7
-0.7
-
-
-
-
-
-
MIN
0.3
0.3
0.1
-
-
-
-
-
-
2010
MIN
0.6
0.9
-0.3
-
-
-
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
21.8
20.4
0.8
0.6
0.9
-0.3
0.4
0.9
-0.5
Pitcher Offense
Pinch Runner
Pinch Hitter
Season
Team
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
1995
BOS
-
-
-
-
-
-
-
-
-
1996
-
-
-
-
-
-
-
-
-
-
1997
BOS
-
-
-
-
-
-
-
-
-
1998
BOS
-
-
-
-
-
-
-
-
-
1999
OAK
-
-
-
-
-
-
-
-
-
+
2000
-
0.1
0.0
0.0
0.0
0.0
0.0
-
-
-
FLO
0.0
0.0
0.0
-
-
-
-
-
-
OAK
-
-
-
0.0
0.0
0.0
-
-
-
2001
CHN
0.0
0.0
-0.0
-
-
-
-
-
-
2002
CHN
-
-
-
-
-
-
-
-
-
2003
TEX
-
-
-
-
-
-
-
-
-
2004
TEX
-
-
-
-
-
-
0.0
0.0
-0.0
2005
TEX
-
-
-
0.0
0.0
-0.0
-
-
-
2006
TEX
-
-
-
-
-
-
-
-
-
+
2007
-
0.0
0.0
-0.0
-
-
-
-
-
-
ATL
0.0
0.0
-0.0
-
-
-
-
-
-
TEX
-
-
-
-
-
-
-
-
-
2008
KCA
-
-
-
-
-
-
-
-
-
+
2009
-
-
-
-
-
-
-
-
-
-
KCA
-
-
-
-
-
-
-
-
-
MIN
-
-
-
-
-
-
-
-
-
2010
MIN
-
-
-
-
-
-
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
0.1
0.1
0.0
0.0
0.0
-0.0
0.0
0.0
-0.0
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