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
1960PHI22
14
6.14.62.51.8
1961PHI23
36
13.916.40.3-1.6
1962PHI24
42
19.016.06.24.1
1963PHI25
25
8.610.10.3-0.9
1964PHI26
34
10.511.80.6-0.9
1965PHI27
22
3.05.1-1.4-1.9
1966SLN28
12
1.93.3-1.0-1.3
------ ------ ------ ------ ------
CAREER (reg. season)
185
63.067.47.6-0.7
------ ------ ------ ------ ------
PostSeason (career)
0
0.00.00.00.0
------ ------ ------ ------ ------
COMBINED
185
63.067.47.6-0.7


Expected Player Won-Lost Records
Value Decomposition
Season Team Age Games eWins eLosses eWORL eWOPA
1960PHI22
14
5.25.50.80.1
1961PHI23
36
14.316.01.2-0.6
1962PHI24
42
16.918.12.10.0
1963PHI25
25
8.710.00.5-0.7
1964PHI26
34
9.313.0-1.6-3.1
1965PHI27
22
3.25.0-1.1-1.6
1966SLN28
12
1.93.3-1.1-1.4
------ ------ ------ ------ ------
CAREER (reg. season)
185
59.570.90.9-7.3
------ ------ ------ ------ ------
PostSeason (career)
0
0.00.00.00.0
------ ------ ------ ------ ------
COMBINED
185
59.570.90.9-7.3


Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting Baserunning Pitching Fielding
Season Team Wins Losses Wins Losses Wins Losses Wins Losses
19600.1
0.5
0.0
0.0
5.1
4.8
0.1
0.1
19610.7
1.7
0.1
0.2
13.4
13.9
0.2
0.1
19621.1
2.2
0.0
0.1
15.5
15.6
0.2
0.2
19630.6
1.0
0.1
0.1
7.9
8.7
0.2
0.1
19640.5
1.0
0.0
0.0
8.9
11.5
0.3
0.1
19650.1
0.3
0.0
0.0
3.2
4.5
0.1
0.1
19660.0
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
19600.4860.423-0.00-0.01
19610.4840.422-0.010.03
19620.4850.423-0.010.02
19630.4840.4210.000.03
19640.4890.424-0.00-0.02
19650.4900.420-0.00-0.01
19660.4910.423-0.000.02
------ ------ ------ ------ ------ ------
CAREER
0.4860.423-0.010.07


Contextual Adjustments
(Regular Season only)
Context Multipliers Win Adjustments
Actual
Season Team Inter-Game Intra-Game Combined Inter-Game Intra-Game Expected
19600.941.10
1.04
0.028
0.055
-0.001
19610.981.16
1.13
-0.004
-0.014
-0.003
19620.921.18
1.08
0.017
0.043
-0.000
19630.981.01
0.99
-0.011
-0.001
-0.004
19641.061.05
1.11
0.009
0.031
-0.014
19650.801.04
0.84
-0.003
-0.028
-0.016
19660.701.51
1.06
0.039
-0.056
-0.018
------ ------ ------ ------ ------ ------ ------ ------
CAREER
0.951.12
1.06
0.007
0.015
-0.006


eWins, eLosses by Position
(Regular Season only)
Starting PitcherPitcher OffenseRelief Pitcher
Season Team eWineLosseWOPAeWineLosseWOPAeWineLosseWOPA
19605.14.8
0.4
0.10.5
-0.2
0.10.1
-0.0
196113.213.4
-0.0
0.81.8
-0.2
0.50.6
-0.1
196215.515.5
0.2
1.22.3
-0.1
0.10.3
-0.2
19637.88.6
-0.7
0.71.0
0.2
0.30.3
-0.0
19648.911.3
-2.4
0.51.0
-0.0
0.20.3
-0.1
19652.53.7
-1.2
0.10.3
-0.1
0.70.9
-0.2
19661.42.8
-1.4
0.00.2
-0.1
0.40.4
0.0
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
54.560.1
-5.1
3.47.2
-0.5
2.32.9
-0.6


Pinch Runner
SeasonTeameWineLosseWOPA
1960--
-
1961--
-
19620.00.0
0.0
1963--
-
1964--
-
1965--
-
1966--
-
------ ------ ------ ------ ------
CAREER
0.00.0
0.0


pWins, pLosses by Position
(Regular Season only)
Starting PitcherPitcher OffenseRelief Pitcher
Season Team pWinpLosspWOPApWinpLosspWOPApWinpLosspWOPA
19606.04.0
2.0
0.10.5
-0.2
0.10.1
-0.1
196112.913.7
-0.7
0.71.9
-0.3
0.30.8
-0.6
196217.513.6
4.1
1.52.0
0.4
0.00.4
-0.4
19637.88.6
-0.8
0.61.2
-0.1
0.30.3
0.0
19649.610.6
-0.9
0.70.9
0.2
0.20.4
-0.2
19652.53.7
-1.2
0.00.3
-0.1
0.51.1
-0.6
19661.42.8
-1.4
0.00.2
-0.1
0.50.3
0.2
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
57.657.0
1.1
3.66.9
-0.2
1.83.4
-1.6


Pinch Runner
SeasonTeampWinpLosspWOPA
1960--
-
1961--
-
19620.00.0
-0.0
1963--
-
1964--
-
1965--
-
1966--
-
------ ------ ------ ------ ------
CAREER
0.00.0
-0.0






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