Jeff Pfeffer - Pitching
Baseball Player Won-Loss Records
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Jeff Pfeffer - Pitching

Only includes games for which Retrosheet has released play-by-play data
(Numbers in italics indicate Retrosheet is missing some games)

Pitching records with missing games extrapolated

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
1911
-
-
-
--
-
1912
-
-
-
--
-
1913
-
-
-
--
-
1914
-
-
-
--
-
1915
-
-
-
--
-
191614.2
10.6
3.50.1
0.1
19175.5
5.2
0.3-
-
19180.6
0.4
0.3-
-
19197.1
6.2
0.9-
-
19209.8
7.3
2.5-0.0
-0.0
+ 1921
 
5.2
5.4
-0.50.2
-0.3
192211.7
9.5
2.20.1
0.1
19235.4
7.3
-1.90.1
0.1
+ 1924
 
6.6
7.2
-0.3-0.2
-0.6
------ ------ ------ ------ ------ ------ ------
CAREER (reg. season)
66.1
59.1
7.00.2
7.2


Pitching Won-Lost Records by Component
Component 1 Component 2
Season Team eWins eLoss Net Wins eWins eLoss Net Wins
1911
-
------
1912
-
------
1913
-
------
1914
-
------
1915
-
------
19160.50.5-0.00.20.10.1
19170.30.3-0.00.10.2-0.1
19180.00.0-0.00.00.00.0
19190.30.3-0.00.10.00.1
19200.20.4-0.20.10.2-0.1
+ 1921
 
0.10.10.00.10.00.0
19220.30.30.00.10.00.1
19230.10.2-0.10.10.10.0
+ 1924
 
0.20.2-0.10.10.10.0
------ ------ ------ ------ ------ ------ ------ ------
CAREER
1.92.3-0.40.80.70.1


Component 3 Component 4 Combined
Season Team eWins eLoss eWins eLoss eWins eLoss Net Wins
1911
-
------
-
1912
-
------
-
1913
-
------
-
1914
-
------
-
1915
-
------
-
19161.92.47.15.39.07.8
1.2
19171.01.33.02.44.03.7
0.4
19180.00.10.30.20.30.3
0.0
19191.01.43.83.54.84.9
-0.0
19201.31.44.93.56.25.0
1.2
+ 1921
 
0.61.23.03.03.54.2
-0.7
19221.31.96.74.78.06.6
1.4
19230.61.54.24.14.85.6
-0.7
+ 1924
 
0.81.54.14.04.85.5
-0.7
------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
8.512.737.030.745.543.4
2.1


Component 5 Component 6 Component 7
Season Team eWins eLoss Net Wins eWins eLoss Net Wins eWins eLoss Net Wins
1911
-
--
-
--
-
--
-
1912
-
--
-
--
-
--
-
1913
-
--
-
--
-
--
-
1914
-
--
-
--
-
--
-
1915
-
--
-
--
-
--
-
19162.42.1
0.3
0.20.2
-0.0
0.00.0
-0.0
19171.00.9
0.0
0.10.1
-0.0
0.00.0
-0.0
19180.10.0
0.1
0.0-0.0
0.0
0.00.0
-0.0
19191.11.3
-0.2
0.10.1
-0.0
0.10.0
0.1
19201.21.4
-0.1
0.10.1
0.0
0.00.0
-0.0
+ 1921
 
1.11.1
0.0
0.10.1
0.0
0.00.1
-0.1
19222.01.8
0.2
0.10.1
0.1
0.00.1
-0.1
19231.51.3
0.2
0.10.1
0.0
0.00.0
-0.0
+ 1924
 
1.21.4
-0.2
0.10.1
0.0
0.00.0
0.0
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
11.511.3
0.2
1.00.9
0.1
0.20.4
-0.2


Contextual Adjustments
Context Multipliers Win Adjustments
Season Team Inter-Game Intra-Game Combined Inter-Game Intra-Game
1911
-
--
-
--
1912
-
--
-
--
1913
-
--
-
--
1914
-
--
-
--
1915
-
--
-
--
19160.931.16
1.07
0.0150.021
19171.060.95
1.01
-0.0180.017
19181.231.15
1.41
-0.0340.093
19191.020.99
1.01
0.0100.028
19201.091.05
1.15
0.0210.026
+ 1921
 
1.001.01
1.01
0.0100.009
19221.051.04
1.09
-0.0050.017
19231.080.84
0.91
-0.013-0.036
+ 1924
 
1.170.86
1.01
0.0020.010
------ ------ ------ ------ ------ ------ ------
CAREER
1.041.00
1.04
0.0020.017




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