Jeff Pfeffer - Player Record
Baseball Player Won-Loss Records
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Jeff Pfeffer - Player Record
Traditional Statistics and Splits (Retrosheet)
(Player Game Log)

Compare Jeff Pfeffer to:
Only includes seasons for which Retrosheet has released play-by-play data
Only includes games for which Retrosheet has released play-by-play data
(Numbers in italics indicate Retrosheet is missing some games)

Player records with missing games extrapolated

Most Similar Players to Jeff Pfeffer

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
1911-23
-
----
1912-24
-
----
1913-25
-
----
1914-26
-
----
1915-27
-
----
1916BRO28
37
17.213.16.74.8
1917BRO29
14
6.66.61.20.4
1918BRO30
1
0.70.50.40.3
1919BRO31
17
8.37.42.21.2
1920BRO32
25
11.19.03.82.5
+ 1921
33
20
6.06.50.6-0.2
1922SLN34
35
13.111.33.92.3
1923SLN35
24
6.08.7-1.4-2.3
+ 1924
36
31
7.38.10.5-0.5
------ ------ ------ ------ ------
CAREER (reg. season)
204
76.171.317.98.3
------ ------ ------ ------ ------
PostSeason (career)
5
0.70.80.0-0.1
------ ------ ------ ------ ------
COMBINED
209
76.872.017.98.2


Expected Player Won-Lost Records
Value Decomposition
Season Team Age Games eWins eLosses eWORL eWOPA
1911-23
-
----
1912-24
-
----
1913-25
-
----
1914-26
-
----
1915-27
-
----
1916BRO28
37
16.214.14.93.0
1917BRO29
14
6.46.71.00.1
1918BRO30
1
0.60.60.30.2
1919BRO31
17
7.68.10.9-0.1
1920BRO32
25
10.39.72.31.1
+ 1921
33
20
5.66.9-0.3-1.1
1922SLN34
35
12.911.53.82.2
1923SLN35
24
6.68.1-0.2-1.1
+ 1924
36
31
6.88.6-0.3-1.3
------ ------ ------ ------ ------
CAREER (reg. season)
204
73.174.312.42.8
------ ------ ------ ------ ------
PostSeason (career)
5
0.80.70.20.1
------ ------ ------ ------ ------
COMBINED
209
73.875.012.62.9


Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting Baserunning Pitching Fielding
Season Team Wins Losses Wins Losses Wins Losses Wins Losses
1911
-
-
-
-
-
-
-
-
-
1912
-
-
-
-
-
-
-
-
-
1913
-
-
-
-
-
-
-
-
-
1914
-
-
-
-
-
-
-
-
-
1915
-
-
-
-
-
-
-
-
-
19161.9
1.9
0.3
0.3
13.3
11.6
0.5
0.5
19170.5
1.2
0.0
0.0
5.5
5.2
0.3
0.3
19180.0
0.1
0.0
0.0
0.6
0.4
0.1
0.0
19190.7
0.8
0.1
0.1
6.6
6.7
0.4
0.5
19200.7
1.1
0.0
0.1
9.0
8.1
0.5
0.6
+ 1921
-
0.3
0.9
0.0
0.0
5.0
5.6
0.3
0.3
19220.9
1.3
0.1
0.1
11.4
9.7
0.4
0.5
19230.5
1.1
0.1
0.1
6.0
6.7
0.1
0.2
+ 1924
-
0.4
0.7
0.0
0.2
6.4
7.4
0.2
0.2
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
5.8
9.0
0.6
0.9
63.8
61.4
2.8
3.0


Positional Teammate Adjustments
Season Team Average Repl. Level Offensive Defensive
1911
-
----
1912
-
----
1913
-
----
1914
-
----
1915
-
----
19160.4880.424-0.010.08
19170.4850.422-0.00-0.01
19180.4860.4200.000.00
19190.4910.4230.000.00
19200.4910.4270.00-0.05
+ 1921
-
0.4880.423-0.00-0.00
19220.4900.4250.02-0.03
19230.4840.419-0.000.01
+ 1924
-
0.4900.4210.010.02
------ ------ ------ ------ ------ ------
CAREER
0.4880.4230.010.02


Contextual Adjustments
(Regular Season only)
Context Multipliers Win Adjustments
Actual
Season Team Inter-Game Intra-Game Combined Inter-Game Intra-Game Expected
1911
-
--
-
-
-
-
1912
-
--
-
-
-
-
1913
-
--
-
-
-
-
1914
-
--
-
-
-
-
1915
-
--
-
-
-
-
19160.931.15
1.07
0.013
0.027
0.011
19171.080.93
1.01
-0.002
0.015
0.001
19181.091.14
1.25
-0.002
0.093
0.014
19191.000.99
0.99
0.005
0.036
-0.001
19201.071.05
1.12
0.024
0.022
0.005
+ 1921
-
1.021.02
1.04
0.009
0.016
-0.010
19221.021.03
1.05
-0.009
0.025
0.010
19231.080.84
0.91
-0.019
-0.035
-0.010
+ 1924
-
1.150.86
0.99
0.006
0.013
-0.009
------ ------ ------ ------ ------ ------ ------ ------
CAREER
1.031.00
1.03
0.002
0.021
0.002


eWins, eLosses by Position
(Regular Season only)
Starting PitcherPitcher OffenseRelief Pitcher
Season Team eWineLosseWOPAeWineLosseWOPAeWineLosseWOPA
1911
-
--
-
--
-
--
-
1912
-
--
-
--
-
--
-
1913
-
--
-
--
-
--
-
1914
-
--
-
--
-
--
-
1915
-
--
-
--
-
--
-
191613.311.7
1.6
2.22.3
0.7
0.40.4
-0.0
19175.85.5
0.3
0.61.2
-0.2
--
-
19180.60.5
0.2
0.00.1
-0.0
--
-
19196.97.2
-0.2
0.70.9
0.2
--
-
19209.48.5
0.9
0.71.1
-0.0
0.10.1
0.0
+ 1921
-
4.95.5
-0.6
0.31.0
-0.3
0.40.4
0.0
192210.99.3
1.5
1.01.4
0.1
1.00.9
0.1
19235.76.0
-0.4
0.61.1
-0.2
0.50.8
-0.2
+ 1924
-
5.16.2
-1.0
0.40.9
-0.1
1.51.4
0.1
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
62.760.5
2.2
6.49.8
0.1
3.93.9
0.0


Left FieldPinch Hitter
SeasonTeameWineLosseWOPAeWineLosseWOPA
1911
-
--
-
--
-
1912
-
--
-
--
-
1913
-
--
-
--
-
1914
-
--
-
--
-
1915
-
--
-
--
-
19160.00.0
-0.0
--
-
1917--
-
--
-
1918--
-
--
-
1919--
-
--
-
1920--
-
--
-
+ 1921
-
--
-
--
-
1922--
-
0.00.0
-0.0
1923--
-
--
-
+ 1924
-
--
-
--
-
------ ------ ------ ------ ------ ------ ------ ------
CAREER
0.00.0
-0.0
0.00.0
-0.0


pWins, pLosses by Position
(Regular Season only)
Starting PitcherPitcher OffenseRelief Pitcher
Season Team pWinpLosspWOPApWinpLosspWOPApWinpLosspWOPA
1911
-
--
-
--
-
--
-
1912
-
--
-
--
-
--
-
1913
-
--
-
--
-
--
-
1914
-
--
-
--
-
--
-
1915
-
--
-
--
-
--
-
191614.310.8
3.5
2.42.0
1.1
0.50.3
0.1
19175.95.5
0.4
0.71.1
0.0
--
-
19180.70.4
0.3
0.00.1
-0.0
--
-
19197.56.6
0.9
0.80.8
0.2
--
-
192010.27.7
2.5
0.81.1
0.0
0.10.1
-0.0
+ 1921
-
5.15.4
-0.3
0.40.8
-0.1
0.50.3
0.2
192211.19.1
2.0
1.01.3
0.1
1.00.9
0.1
19234.96.9
-2.0
0.41.3
-0.4
0.70.6
0.1
+ 1924
-
5.55.8
-0.2
0.40.8
-0.1
1.31.5
-0.2
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
65.258.0
7.1
6.99.4
0.9
4.13.8
0.3


Left FieldPinch Hitter
SeasonTeampWinpLosspWOPApWinpLosspWOPA
1911
-
--
-
--
-
1912
-
--
-
--
-
1913
-
--
-
--
-
1914
-
--
-
--
-
1915
-
--
-
--
-
19160.00.0
-0.0
--
-
1917--
-
--
-
1918--
-
--
-
1919--
-
--
-
1920--
-
--
-
+ 1921
-
--
-
--
-
1922--
-
0.00.0
-0.0
1923--
-
--
-
+ 1924
-
--
-
--
-
------ ------ ------ ------ ------ ------ ------ ------
CAREER
0.00.0
-0.0
0.00.0
-0.0






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