John Stefero - Player Record
Baseball Player Won-Loss Records
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John Stefero - Player Record
Traditional Statistics and Splits (Retrosheet)
(
Player Game Log
)
Compare John Stefero to:
Most Similar Players to John Stefero
Positional Average
(Weighted Avg of Options): 0.500
(1-Year)
(9-Year)
(Long-Run)
Basic Player Won-Lost Records
Value Decomposition
Season
Team
Age
Games
pWins
pLosses
pWORL
pWOPA
1983
BAL
23
9
0.8
0.3
0.6
0.5
1984
-
24
-
-
-
-
-
1985
-
25
-
-
-
-
-
1986
BAL
26
52
2.6
3.7
-0.5
-0.8
1987
MON
27
18
0.7
1.5
-0.6
-0.8
------
------
------
------
------
CAREER (reg. season)
79
4.2
5.6
-0.6
-1.0
------
------
------
------
------
PostSeason (career)
0
0.0
0.0
0.0
0.0
------
------
------
------
------
COMBINED
79
4.2
5.6
-0.6
-1.0
Expected Player Won-Lost Records
Value Decomposition
Season
Team
Age
Games
eWins
eLosses
eWORL
eWOPA
1983
BAL
23
9
0.8
0.4
0.4
0.4
1984
-
24
-
-
-
-
-
1985
-
25
-
-
-
-
-
1986
BAL
26
52
3.0
3.4
0.1
-0.2
1987
MON
27
18
0.8
1.4
-0.4
-0.5
------
------
------
------
------
CAREER (reg. season)
79
4.6
5.2
0.1
-0.3
------
------
------
------
------
PostSeason (career)
0
0.0
0.0
0.0
0.0
------
------
------
------
------
COMBINED
79
4.6
5.2
0.1
-0.3
Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting
Baserunning
Pitching
Fielding
Season
Team
Wins
Losses
Wins
Losses
Wins
Losses
Wins
Losses
1983
BAL
0.6
0.3
0.0
0.0
-
-
0.2
0.1
1984
-
-
-
-
-
-
-
-
-
1985
-
-
-
-
-
-
-
-
-
1986
BAL
2.1
2.5
0.3
0.4
-
-
0.6
0.5
1987
MON
0.6
1.2
0.1
0.1
-
-
0.1
0.2
------
------
------
------
------
------
------
------
------
------
CAREER
3.3
3.9
0.3
0.5
-
-
0.9
0.8
Positional
Teammate Adjustments
Season
Team
Average
Repl. Level
Offensive
Defensive
1983
BAL
0.493
0.443
0.01
0.00
1984
-
-
-
-
-
1985
-
-
-
-
-
1986
BAL
0.481
0.432
-0.01
0.00
1987
MON
0.483
0.435
-0.00
-0.00
------
------
------
------
------
------
CAREER
0.483
0.434
-0.01
0.00
Contextual Adjustments
(Regular Season only)
Context Multipliers
Win Adjustments
Actual
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
Expected
1983
BAL
2.20
0.62
1.37
-0.040
0.103
0.007
1984
-
-
-
-
-
-
-
1985
-
-
-
-
-
-
-
1986
BAL
1.09
0.98
1.07
0.002
-0.052
-0.001
1987
MON
1.12
0.94
1.06
-0.052
-0.007
-0.005
------
------
------
------
------
------
------
------
CAREER
1.21
0.91
1.10
0.000
-0.033
-0.001
eWins, eLosses by Position
(Regular Season only)
Catcher
Pinch Hitter
Pinch Runner
Season
Team
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
1983
BAL
0.7
0.3
0.4
0.1
0.2
-0.1
0.0
0.0
-0.0
1984
-
-
-
-
-
-
-
-
-
-
1985
-
-
-
-
-
-
-
-
-
-
1986
BAL
2.7
3.2
-0.2
0.3
0.2
0.1
-
-
-
1987
MON
0.8
1.3
-0.4
0.0
0.1
-0.1
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
4.2
4.7
-0.3
0.3
0.5
-0.2
0.0
0.0
-0.0
pWins, pLosses by Position
(Regular Season only)
Catcher
Pinch Hitter
Pinch Runner
Season
Team
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
1983
BAL
0.8
0.2
0.6
0.1
0.1
-0.0
0.0
0.0
0.0
1984
-
-
-
-
-
-
-
-
-
-
1985
-
-
-
-
-
-
-
-
-
-
1986
BAL
2.4
3.4
-0.8
0.2
0.3
-0.0
-
-
-
1987
MON
0.7
1.4
-0.6
0.0
0.1
-0.1
-
-
-
------
------
------
------
------
------
------
------
------
------
------
CAREER
3.9
5.0
-0.8
0.3
0.5
-0.2
0.0
0.0
0.0
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