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

Player records with missing games excluded

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
43
19.915.37.95.9
1917BRO29
31
14.614.52.91.2
1918BRO30
1
0.70.50.40.3
1919BRO31
30
14.613.14.02.3
1920BRO32
30
13.310.84.73.2
+ 1921
33
24
7.27.80.8-0.2
1922SLN34
45
16.814.55.23.2
1923SLN35
26
6.49.5-1.4-2.4
+ 1924
36
31
7.38.10.6-0.5
------ ------ ------ ------ ------
CAREER (reg. season)
261
100.994.125.113.1
------ ------ ------ ------ ------
PostSeason (career)
5
0.70.80.0-0.1
------ ------ ------ ------ ------
COMBINED
266
101.594.825.113.0


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
43
18.816.45.83.8
1917BRO29
31
14.214.82.40.7
1918BRO30
1
0.60.60.30.2
1919BRO31
30
13.414.31.70.0
1920BRO32
30
12.411.73.01.5
+ 1921
33
24
6.78.3-0.3-1.2
1922SLN34
45
16.614.75.03.0
1923SLN35
26
7.18.8-0.1-1.1
+ 1924
36
31
6.88.6-0.2-1.2
------ ------ ------ ------ ------
CAREER (reg. season)
261
96.798.217.75.7
------ ------ ------ ------ ------
PostSeason (career)
5
0.80.70.20.1
------ ------ ------ ------ ------
COMBINED
266
97.598.917.95.8


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
-
-
-
-
-
-
-
-
-
19162.2
2.3
0.3
0.4
15.4
13.5
0.5
0.6
19171.2
2.6
0.1
0.1
12.2
11.5
0.7
0.7
19180.0
0.1
0.0
0.0
0.6
0.4
0.1
0.0
19191.2
1.4
0.1
0.1
11.6
11.8
0.6
0.9
19200.8
1.3
0.1
0.1
10.8
9.7
0.6
0.7
+ 1921
-
0.3
1.1
0.0
0.0
6.0
6.8
0.4
0.3
19221.1
1.6
0.1
0.2
14.7
12.5
0.5
0.6
19230.5
1.1
0.1
0.1
6.5
7.2
0.2
0.2
+ 1924
-
0.4
0.7
0.0
0.2
6.4
7.4
0.2
0.2
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
7.7
12.2
0.8
1.1
84.3
80.8
3.9
4.2


Positional Teammate Adjustments
Season Team Average Repl. Level Offensive Defensive
1911
-
----
1912
-
----
1913
-
----
1914
-
----
1915
-
----
19160.4830.424-0.010.10
19170.4800.421-0.01-0.02
19180.4800.4200.000.00
19190.4860.4250.000.00
19200.4860.4240.00-0.06
+ 1921
-
0.4830.421-0.00-0.00
19220.4860.4230.02-0.03
19230.4790.417-0.000.01
+ 1924
-
0.4870.4200.010.02
------ ------ ------ ------ ------ ------
CAREER
0.4840.4220.010.02


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
1.7
2.22.3
0.9
0.40.4
-0.0
19175.85.5
0.4
0.61.2
-0.1
--
-
19180.60.5
0.2
0.00.1
-0.0
--
-
19196.97.2
-0.2
0.70.9
0.2
--
-
19209.48.5
1.0
0.71.1
0.1
0.10.1
0.0
+ 1921
-
4.95.5
-0.6
0.31.0
-0.2
0.40.4
0.0
192210.99.3
1.7
1.01.4
0.2
1.00.9
0.1
19235.76.0
-0.3
0.61.1
-0.1
0.50.8
-0.3
+ 1924
-
5.16.2
-1.0
0.40.9
-0.1
1.51.4
0.1
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
83.780.6
3.8
8.613.2
1.3
4.44.5
-0.1


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
3.6
2.42.0
1.3
0.50.3
0.1
19175.95.5
0.4
0.71.1
0.1
--
-
19180.70.4
0.3
0.00.1
-0.0
--
-
19197.56.6
1.0
0.80.8
0.3
--
-
192010.27.7
2.6
0.81.1
0.2
0.10.1
-0.0
+ 1921
-
5.15.4
-0.3
0.40.8
-0.1
0.50.3
0.2
192211.19.1
2.2
1.01.3
0.2
1.00.9
0.1
19234.96.9
-1.9
0.41.3
-0.3
0.70.6
0.1
+ 1924
-
5.55.8
-0.2
0.40.8
-0.0
1.31.5
-0.2
------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
87.177.3
10.6
9.312.5
2.4
4.64.2
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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