Art Mahaffey - Player Record
Baseball Player Won-Loss Records
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Art Mahaffey - Player Record
Traditional Statistics and Splits (Retrosheet)
(
Player Game Log
)
Compare Art Mahaffey to:
Most Similar Players to Art Mahaffey
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
1960
PHI
22
14
6.1
4.6
2.6
1.9
1961
PHI
23
36
13.9
16.4
0.5
-1.4
1962
PHI
24
42
19.0
16.0
6.7
4.5
1963
PHI
25
25
8.6
10.1
0.5
-0.7
1964
PHI
26
34
10.5
11.8
0.9
-0.7
1965
PHI
27
22
3.0
5.1
-1.3
-1.9
1966
SLN
28
12
1.9
3.3
-1.0
-1.3
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CAREER (reg. season)
185
63.0
67.4
8.9
0.5
------
------
------
------
------
PostSeason (career)
0
0.0
0.0
0.0
0.0
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COMBINED
185
63.0
67.4
8.9
0.5
Expected Player Won-Lost Records
Value Decomposition
Season
Team
Age
Games
eWins
eLosses
eWORL
eWOPA
1960
PHI
22
14
5.2
5.5
0.9
0.3
1961
PHI
23
36
14.3
16.0
1.4
-0.4
1962
PHI
24
42
16.9
18.1
2.5
0.4
1963
PHI
25
25
8.7
10.0
0.7
-0.5
1964
PHI
26
34
9.3
13.0
-1.4
-2.9
1965
PHI
27
22
3.2
5.0
-1.0
-1.6
1966
SLN
28
12
1.9
3.3
-1.0
-1.4
------
------
------
------
------
CAREER (reg. season)
185
59.5
70.9
2.2
-6.2
------
------
------
------
------
PostSeason (career)
0
0.0
0.0
0.0
0.0
------
------
------
------
------
COMBINED
185
59.5
70.9
2.2
-6.2
Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting
Baserunning
Pitching
Fielding
Season
Team
Wins
Losses
Wins
Losses
Wins
Losses
Wins
Losses
1960
PHI
0.1
0.5
0.0
0.0
5.1
4.8
0.1
0.1
1961
PHI
0.7
1.7
0.1
0.2
13.4
13.9
0.2
0.1
1962
PHI
1.1
2.2
0.0
0.1
15.5
15.6
0.2
0.2
1963
PHI
0.6
1.0
0.1
0.1
7.9
8.7
0.2
0.1
1964
PHI
0.5
1.0
0.0
0.0
8.9
11.5
0.3
0.1
1965
PHI
0.1
0.3
0.0
0.0
3.2
4.5
0.1
0.1
1966
SLN
0.0
0.2
0.0
0.0
1.9
3.0
0.1
0.1
------
------
------
------
------
------
------
------
------
------
CAREER
3.2
6.8
0.2
0.3
55.8
61.9
1.2
0.9
Positional
Teammate Adjustments
Season
Team
Average
Repl. Level
Offensive
Defensive
1960
PHI
0.479
0.418
-0.00
-0.01
1961
PHI
0.481
0.420
-0.01
0.03
1962
PHI
0.479
0.417
-0.01
0.02
1963
PHI
0.478
0.415
0.00
0.03
1964
PHI
0.484
0.416
-0.00
-0.02
1965
PHI
0.488
0.417
-0.00
-0.01
1966
SLN
0.491
0.423
-0.00
0.02
------
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------
------
------
CAREER
0.481
0.417
-0.01
0.07
Contextual Adjustments
(Regular Season only)
Context Multipliers
Win Adjustments
Actual
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
Expected
1960
PHI
0.94
1.10
1.04
0.028
0.055
-0.001
1961
PHI
0.98
1.16
1.13
-0.004
-0.014
-0.003
1962
PHI
0.92
1.18
1.08
0.017
0.043
-0.000
1963
PHI
0.98
1.01
0.99
-0.011
-0.001
-0.004
1964
PHI
1.06
1.05
1.11
0.009
0.031
-0.014
1965
PHI
0.80
1.04
0.84
-0.003
-0.028
-0.016
1966
SLN
0.70
1.51
1.06
0.039
-0.056
-0.018
------
------
------
------
------
------
------
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CAREER
0.95
1.12
1.06
0.007
0.015
-0.006
eWins, eLosses by Position
(Regular Season only)
Starting Pitcher
Pitcher Offense
Relief Pitcher
Season
Team
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
eWin
eLoss
eWOPA
1960
PHI
5.1
4.8
0.5
0.1
0.5
-0.2
0.1
0.1
-0.0
1961
PHI
13.2
13.4
0.2
0.8
1.8
-0.2
0.5
0.6
-0.2
1962
PHI
15.5
15.5
0.6
1.2
2.3
-0.1
0.1
0.3
-0.2
1963
PHI
7.8
8.6
-0.5
0.7
1.0
0.2
0.3
0.3
-0.0
1964
PHI
8.9
11.3
-2.2
0.5
1.0
-0.0
0.2
0.3
-0.1
1965
PHI
2.5
3.7
-1.2
0.1
0.3
-0.1
0.7
0.9
-0.2
1966
SLN
1.4
2.8
-1.4
0.0
0.2
-0.1
0.4
0.4
0.0
------
------
------
------
------
------
------
------
------
------
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CAREER
54.5
60.1
-3.9
3.4
7.2
-0.5
2.3
2.9
-0.7
Pinch Runner
Season
Team
eWin
eLoss
eWOPA
1960
PHI
-
-
-
1961
PHI
-
-
-
1962
PHI
0.0
0.0
0.0
1963
PHI
-
-
-
1964
PHI
-
-
-
1965
PHI
-
-
-
1966
SLN
-
-
-
------
------
------
------
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CAREER
0.0
0.0
0.0
pWins, pLosses by Position
(Regular Season only)
Starting Pitcher
Pitcher Offense
Relief Pitcher
Season
Team
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
pWin
pLoss
pWOPA
1960
PHI
6.0
4.0
2.2
0.1
0.5
-0.2
0.1
0.1
-0.1
1961
PHI
12.9
13.7
-0.4
0.7
1.9
-0.3
0.3
0.8
-0.6
1962
PHI
17.5
13.6
4.5
1.5
2.0
0.5
0.0
0.4
-0.4
1963
PHI
7.8
8.6
-0.6
0.6
1.2
-0.1
0.3
0.3
-0.0
1964
PHI
9.6
10.6
-0.7
0.7
0.9
0.2
0.2
0.4
-0.2
1965
PHI
2.5
3.7
-1.1
0.0
0.3
-0.1
0.5
1.1
-0.6
1966
SLN
1.4
2.8
-1.4
0.0
0.2
-0.1
0.5
0.3
0.2
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CAREER
57.6
57.0
2.4
3.6
6.9
-0.1
1.8
3.4
-1.7
Pinch Runner
Season
Team
pWin
pLoss
pWOPA
1960
PHI
-
-
-
1961
PHI
-
-
-
1962
PHI
0.0
0.0
0.0
1963
PHI
-
-
-
1964
PHI
-
-
-
1965
PHI
-
-
-
1966
SLN
-
-
-
------
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------
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------
CAREER
0.0
0.0
0.0
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