Roy Mahaffey - Pitching
Baseball Player Won-Loss Records
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Roy Mahaffey - Pitching

Missing player games extrapolated
(Numbers in italics include some games for which Retrosheet is missing play-by-play data.)

Pitching records with missing games excluded

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
19260.0
0.0
-0.0
0.0
19270.2
0.3
-0.1-0.0
-0.0
1928
-
-
-
--
-
1929
-
-
-
--
-
19307.0
7.5
-0.1-0.4
-0.4
19319.9
8.4
1.20.3
0.3
193210.1
12.2
-1.3-0.7
-0.7
19339.1
8.3
0.80.0
0.0
19346.2
6.8
-1.40.8
0.8
19356.3
6.0
-0.30.6
0.6
19363.0
4.6
-1.6-0.1
-0.1
------ ------ ------ ------ ------ ------ ------
CAREER (reg. season)
51.9
54.1
-2.80.6
-2.2


Pitching Won-Lost Records by Component
Component 1 Component 2
Season Team eWins eLoss Net Wins eWins eLoss Net Wins
19260.00.0-0.00.00.00.0
19270.00.0-0.00.00.0-0.0
1928
-
------
1929
-
------
19300.00.1-0.10.10.10.0
19310.10.1-0.00.10.1-0.0
19320.20.20.00.10.10.0
19330.10.1-0.00.10.10.0
19340.00.1-0.10.10.1-0.0
19350.10.10.00.10.1-0.0
19360.00.0-0.00.00.1-0.0
------ ------ ------ ------ ------ ------ ------ ------
CAREER
0.60.8-0.20.50.6-0.0


Component 3 Component 4 Combined
Season Team eWins eLoss eWins eLoss eWins eLoss Net Wins
19260.10.10.10.10.20.1
0.1
19270.10.30.20.30.30.6
-0.3
1928
-
------
-
1929
-
------
-
19300.82.04.94.45.76.5
-0.8
19311.12.84.83.85.96.6
-0.7
19322.23.57.06.69.210.1
-0.9
19331.32.65.73.77.06.3
0.7
19340.81.94.13.35.05.2
-0.3
19350.81.64.53.95.35.4
-0.1
19360.31.42.11.62.42.9
-0.6
------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
7.416.233.527.640.943.8
-2.9


Component 5 Component 6 Component 7
Season Team eWins eLoss Net Wins eWins eLoss Net Wins eWins eLoss Net Wins
19260.00.0
-0.0
0.00.0
0.0
0.00.0
-0.0
19270.10.1
0.0
0.00.0
-0.0
0.00.0
-0.0
1928
-
--
-
--
-
--
-
1929
-
--
-
--
-
--
-
19301.31.4
-0.1
0.10.1
0.0
0.00.0
0.0
19311.41.2
0.2
0.10.1
0.0
0.00.0
-0.0
19321.61.7
-0.1
0.10.2
-0.0
0.00.1
-0.1
19331.61.6
-0.1
0.10.2
-0.0
0.00.0
-0.0
19341.21.2
-0.0
0.10.2
-0.1
0.10.0
0.1
19351.21.2
0.1
0.10.1
0.0
0.00.0
0.0
19360.60.6
-0.1
0.00.1
-0.0
0.00.0
-0.0
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
9.09.1
-0.0
0.80.9
-0.1
0.20.2
0.0


Contextual Adjustments
Context Multipliers Win Adjustments
Season Team Inter-Game Intra-Game Combined Inter-Game Intra-Game
19260.051.21
0.06
0.127-0.130
19270.391.25
0.49
-0.0240.073
1928
-
--
-
--
1929
-
--
-
--
19300.950.98
0.93
-0.0180.029
19310.901.28
1.15
0.0230.035
19321.060.90
0.95
-0.0310.005
19331.060.96
1.02
-0.0060.018
19340.980.99
0.97
-0.0250.016
19351.030.86
0.89
-0.0070.020
19360.941.20
1.13
-0.040-0.012
------ ------ ------ ------ ------ ------ ------
CAREER
0.991.00
0.99
-0.0130.018




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