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

Compare Mark Williamson to:
Most Similar Players to Mark Williamson

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
1987BAL27
61
5.26.3-0.2-1.3
1988BAL28
37
5.77.7-1.0-1.9
1989BAL29
65
6.14.72.11.1
1990BAL30
49
4.23.81.10.3
1991BAL31
65
3.73.90.4-0.3
1992BAL32
12
0.20.4-0.2-0.3
1993BAL33
48
4.13.61.20.4
1994BAL34
28
2.42.50.3-0.1
------ ------ ------ ------ ------
CAREER (reg. season)
365
31.532.93.6-2.2
------ ------ ------ ------ ------
PostSeason (career)
0
0.00.00.00.0
------ ------ ------ ------ ------
COMBINED
365
31.532.93.6-2.2


Expected Player Won-Lost Records
Value Decomposition
Season Team Age Games eWins eLosses eWORL eWOPA
1987BAL27
61
6.15.41.50.4
1988BAL28
37
6.56.90.6-0.4
1989BAL29
65
6.14.72.11.1
1990BAL30
49
4.23.81.20.4
1991BAL31
65
3.64.00.2-0.6
1992BAL32
12
0.30.30.0-0.1
1993BAL33
48
4.03.61.10.4
1994BAL34
28
2.42.40.50.0
------ ------ ------ ------ ------
CAREER (reg. season)
365
33.231.17.21.4
------ ------ ------ ------ ------
PostSeason (career)
0
0.00.00.00.0
------ ------ ------ ------ ------
COMBINED
365
33.231.17.21.4


Basic Decomposition of eWins, eLosses
(Regular Season only)
Batting Baserunning Pitching Fielding
Season Team Wins Losses Wins Losses Wins Losses Wins Losses
1987-
-
-
-
5.9
5.2
0.2
0.3
1988-
-
-
-
6.4
6.8
0.1
0.0
1989-
-
-
-
5.9
4.5
0.1
0.2
1990-
-
-
-
4.1
3.6
0.1
0.1
1991-
-
-
-
3.5
4.0
0.0
0.1
1992-
-
-
-
0.3
0.3
0.0
0.0
1993-
-
-
-
3.8
3.5
0.2
0.1
1994-
-
-
-
2.4
2.4
0.0
0.0
------ ------ ------ ------ ------ ------ ------ ------ ------ ------
CAREER
-
-
-
-
32.5
30.3
0.7
0.8


Positional Teammate Adjustments
Season Team Average Repl. Level Offensive Defensive
19870.5070.4140.000.02
19880.5000.4270.00-0.01
19890.5150.4220.00-0.01
19900.5060.4080.000.00
19910.5060.4090.000.01
19920.5020.4080.00-0.00
19930.5030.4100.000.01
19940.5010.4090.000.01
------ ------ ------ ------ ------ ------
CAREER
0.5060.4160.000.03


Contextual Adjustments
(Regular Season only)
Context Multipliers Win Adjustments
Actual
Season Team Inter-Game Intra-Game Combined Inter-Game Intra-Game Expected
19871.170.76
0.89
-0.045
-0.032
0.002
19880.851.24
1.05
-0.016
-0.044
-0.001
19891.260.83
1.05
-0.021
0.024
0.004
19901.190.75
0.90
-0.034
0.033
0.002
19911.030.78
0.80
0.035
-0.022
-0.002
19920.291.10
0.32
-0.140
-0.026
-0.003
19931.030.79
0.81
-0.003
0.008
0.002
19940.740.90
0.67
-0.001
-0.015
0.000
------ ------ ------ ------ ------ ------ ------ ------
CAREER
1.030.86
0.88
-0.013
-0.012
0.001


eWins, eLosses by Position
(Regular Season only)
Relief PitcherStarting Pitcher
Season Team eWineLosseWOPAeWineLosseWOPA
19875.44.8
0.4
0.60.7
-0.1
19882.12.4
-0.3
4.54.4
0.1
19896.04.7
1.0
--
-
19904.23.8
0.4
--
-
19913.64.0
-0.5
--
-
19920.30.3
-0.1
--
-
19933.83.5
0.3
0.20.1
0.0
19941.91.8
0.1
0.50.7
-0.1
------ ------ ------ ------ ------ ------ ------ ------
CAREER
27.425.3
1.4
5.85.9
-0.1


pWins, pLosses by Position
(Regular Season only)
Relief PitcherStarting Pitcher
Season Team pWinpLosspWOPApWinpLosspWOPA
19874.75.5
-1.0
0.50.8
-0.4
19881.92.6
-0.8
3.85.0
-1.2
19896.14.7
1.1
--
-
19904.23.8
0.3
--
-
19913.73.9
-0.3
--
-
19920.20.4
-0.3
--
-
19933.93.4
0.5
0.10.2
-0.1
19941.81.9
-0.1
0.60.6
-0.1
------ ------ ------ ------ ------ ------ ------ ------
CAREER
26.526.2
-0.5
5.06.7
-1.7






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