Bob Welch - Pitching
Baseball Player Won-Loss Records
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Bob Welch
- Pitching
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
1978
LAN
6.6
4.6
1.8
0.3
0.3
1979
LAN
5.1
6.4
-0.5
-0.8
-0.8
1980
LAN
12.2
10.1
2.3
-
-
1981
LAN
8.0
6.3
1.9
-
-
1982
LAN
13.3
12.2
1.3
-
-
1983
LAN
12.7
11.2
1.7
-
-
1984
LAN
10.9
10.7
0.7
-0.3
-0.3
1985
LAN
10.3
6.8
3.6
-
-
1986
LAN
12.0
11.5
0.6
-
-
1987
LAN
13.5
10.9
2.9
-
-
1988
OAK
14.9
12.1
3.1
-
-
1989
OAK
13.4
10.4
3.2
-
-
1990
OAK
14.7
11.0
3.9
-
-
1991
OAK
13.8
14.7
-0.8
-
-
1992
OAK
8.3
6.8
1.6
-
-
1993
OAK
8.6
11.1
-2.6
0.1
0.1
1994
OAK
3.3
4.8
-1.6
0.1
0.1
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CAREER (reg. season)
181.7
161.5
23.1
-0.6
22.5
Pitching Won-Lost Records by Component
Component 1
Component 2
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1978
LAN
0.2
0.1
0.1
0.1
0.1
0.0
1979
LAN
0.1
0.2
-0.1
0.1
0.0
0.1
1980
LAN
0.2
0.3
-0.1
0.1
0.2
-0.1
1981
LAN
0.1
0.1
0.0
0.1
0.0
0.1
1982
LAN
0.5
0.2
0.3
0.2
0.1
0.0
1983
LAN
0.4
0.3
0.1
0.2
0.2
0.0
1984
LAN
0.2
0.2
-0.0
0.2
0.3
-0.1
1985
LAN
0.3
0.2
0.1
0.1
0.1
0.0
1986
LAN
0.3
0.3
-0.0
0.2
0.1
0.1
1987
LAN
0.5
0.3
0.3
0.2
0.1
0.0
1988
OAK
0.3
0.3
-0.0
0.2
0.0
0.2
1989
OAK
0.3
0.2
0.1
0.2
0.1
0.1
1990
OAK
0.2
0.2
0.0
0.2
0.2
-0.1
1991
OAK
0.3
0.2
0.1
0.2
0.1
0.0
1992
OAK
0.1
0.1
0.0
0.1
0.0
0.1
1993
OAK
0.2
0.1
0.1
0.1
0.0
0.1
1994
OAK
0.1
0.1
-0.0
0.1
0.1
0.0
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CAREER
4.4
3.4
1.0
2.4
1.8
0.6
Component 3
Component 4
Combined
Season
Team
eWins
eLoss
eWins
eLoss
eWins
eLoss
Net Wins
1978
LAN
1.3
0.8
3.0
2.6
4.3
3.4
1.0
1979
LAN
1.4
1.0
2.1
2.6
3.4
3.6
-0.2
1980
LAN
2.8
2.5
5.6
5.7
8.4
8.2
0.3
1981
LAN
1.8
1.3
3.7
4.2
5.4
5.6
-0.1
1982
LAN
3.7
2.7
6.0
6.5
9.7
9.2
0.6
1983
LAN
3.3
2.4
5.3
4.9
8.6
7.3
1.3
1984
LAN
2.5
2.0
4.6
4.8
7.1
6.8
0.3
1985
LAN
1.9
1.4
4.4
4.5
6.3
5.9
0.4
1986
LAN
3.8
2.0
6.4
5.6
10.1
7.6
2.5
1987
LAN
4.1
2.7
6.5
6.8
10.6
9.5
1.1
1988
OAK
3.6
2.7
6.9
8.1
10.5
10.8
-0.3
1989
OAK
3.0
2.4
5.8
6.1
8.8
8.5
0.3
1990
OAK
2.7
2.2
6.7
7.6
9.4
9.8
-0.4
1991
OAK
2.1
3.0
6.6
8.3
8.7
11.3
-2.6
1992
OAK
1.0
1.4
4.1
3.9
5.1
5.2
-0.1
1993
OAK
1.4
1.7
5.4
6.9
6.8
8.6
-1.8
1994
OAK
0.9
1.2
1.9
2.4
2.8
3.6
-0.8
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CAREER
41.2
33.4
85.0
91.4
126.2
124.7
1.4
Component 5
Component 6
Component 7
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1978
LAN
0.9
0.8
0.1
0.1
0.1
0.0
0.2
0.0
0.1
1979
LAN
0.5
0.6
-0.1
0.1
0.0
0.0
0.0
0.0
-0.0
1980
LAN
1.6
1.5
0.0
0.2
0.1
0.1
0.2
0.1
0.1
1981
LAN
1.1
1.2
-0.1
0.1
0.1
-0.0
0.0
0.0
-0.0
1982
LAN
1.9
1.6
0.3
0.2
0.2
0.0
0.3
0.1
0.2
1983
LAN
1.5
1.4
0.1
0.2
0.1
0.0
0.0
0.0
-0.0
1984
LAN
1.4
1.7
-0.3
0.2
0.2
-0.0
0.0
0.0
-0.0
1985
LAN
1.4
1.2
0.1
0.2
0.3
-0.1
0.0
0.0
-0.0
1986
LAN
1.9
2.2
-0.3
0.2
0.2
0.0
0.3
0.1
0.2
1987
LAN
2.0
1.6
0.4
0.2
0.2
-0.0
0.1
0.1
0.0
1988
OAK
1.9
2.0
-0.0
0.2
0.2
-0.0
0.2
0.1
0.2
1989
OAK
1.9
1.8
0.1
0.2
0.2
-0.0
0.1
0.1
0.0
1990
OAK
1.8
1.6
0.2
0.1
0.2
-0.0
0.0
0.0
-0.0
1991
OAK
1.9
1.6
0.3
0.2
0.2
0.0
0.0
0.1
-0.1
1992
OAK
1.0
0.8
0.2
0.1
0.1
0.1
0.1
0.0
0.1
1993
OAK
1.4
1.7
-0.2
0.2
0.2
-0.0
0.0
0.0
-0.0
1994
OAK
0.6
0.5
0.0
0.0
0.1
-0.0
0.0
0.0
-0.0
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CAREER
24.8
23.9
0.9
2.7
2.6
0.0
1.6
0.8
0.8
Contextual Adjustments
Context Multipliers
Win Adjustments
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
1978
LAN
0.96
1.15
1.10
0.016
0.008
1979
LAN
1.44
0.92
1.32
-0.059
0.014
1980
LAN
1.01
1.05
1.05
0.012
0.027
1981
LAN
0.96
1.06
1.02
0.027
0.036
1982
LAN
0.90
1.18
1.06
-0.017
0.011
1983
LAN
0.99
1.19
1.18
-0.006
0.000
1984
LAN
1.00
1.17
1.18
0.004
0.008
1985
LAN
0.93
1.15
1.07
0.014
0.072
1986
LAN
1.04
0.96
1.00
-0.008
-0.034
1987
LAN
0.94
1.02
0.96
-0.007
0.027
1988
OAK
0.93
1.09
1.01
0.012
0.040
1989
OAK
1.03
1.04
1.07
0.015
0.031
1990
OAK
0.94
1.15
1.08
0.027
0.049
1991
OAK
1.00
1.15
1.15
0.009
0.014
1992
OAK
0.96
1.22
1.18
-0.006
0.040
1993
OAK
0.92
1.11
1.02
0.018
-0.033
1994
OAK
1.06
0.97
1.03
-0.017
-0.034
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CAREER
0.98
1.09
1.08
0.003
0.018
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