Lefty Grove - Pitching
Baseball Player Won-Loss Records
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Lefty Grove
- Pitching
Missing player games extrapolated
(Numbers in italics include some games for which Retrosheet is missing play-by-play data.)
Pitching records with missing games excluded
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
1925
PHA
8.6
11.2
-1.1
-1.5
-1.5
1926
PHA
15.0
10.5
3.5
1.0
1.0
1927
PHA
17.3
12.0
4.1
1.2
1.2
1928
PHA
17.2
10.9
6.2
0.1
0.1
1929
PHA
16.1
9.9
5.8
0.4
0.4
1930
PHA
19.0
9.5
7.9
1.6
1.6
1931
PHA
20.6
9.2
10.3
1.0
1.0
1932
PHA
18.6
11.2
6.7
0.7
0.7
1933
PHA
16.9
11.1
4.4
1.4
1.4
1934
BOS
6.0
6.6
-0.6
-0.0
-0.0
1935
BOS
15.1
9.2
5.3
0.6
0.6
1936
BOS
15.9
10.3
5.3
0.3
0.3
1937
BOS
15.5
9.8
5.7
-
-
1938
BOS
9.8
5.9
3.8
0.1
0.1
1939
BOS
11.7
6.4
5.3
-
-
1940
BOS
7.4
7.1
0.3
-0.0
-0.0
1941
BOS
6.2
5.5
0.7
-
-
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CAREER (reg. season)
236.7
156.3
73.7
6.9
80.7
Pitching Won-Lost Records by Component
Component 1
Component 2
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1925
PHA
0.3
0.4
-0.1
0.1
0.1
0.1
1926
PHA
0.5
0.3
0.2
0.1
0.2
-0.0
1927
PHA
0.3
0.4
-0.1
0.1
0.1
-0.0
1928
PHA
0.2
0.3
-0.1
0.1
0.2
-0.1
1929
PHA
0.2
0.3
-0.1
0.1
0.2
-0.1
1930
PHA
0.3
0.2
0.0
0.1
0.1
-0.0
1931
PHA
0.3
0.3
0.0
0.1
0.1
-0.0
1932
PHA
0.2
0.2
-0.0
0.1
0.1
0.0
1933
PHA
0.2
0.3
-0.0
0.1
0.1
0.0
1934
BOS
0.0
0.2
-0.2
0.1
0.0
0.0
1935
BOS
0.1
0.2
-0.1
0.1
0.1
0.1
1936
BOS
0.2
0.2
0.0
0.1
0.0
0.1
1937
BOS
0.2
0.2
0.0
0.1
0.1
-0.0
1938
BOS
0.1
0.1
-0.0
0.1
0.1
0.0
1939
BOS
0.2
0.2
-0.1
0.1
0.0
0.1
1940
BOS
0.1
0.1
0.0
0.1
0.0
0.0
1941
BOS
0.2
0.2
0.1
0.1
0.0
0.1
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CAREER
3.6
3.9
-0.3
1.7
1.6
0.2
Component 3
Component 4
Combined
Season
Team
eWins
eLoss
eWins
eLoss
eWins
eLoss
Net Wins
1925
PHA
2.1
4.0
5.6
4.6
7.7
8.7
-0.9
1926
PHA
4.0
3.4
6.6
4.6
10.6
8.0
2.6
1927
PHA
3.7
2.8
7.1
5.4
10.8
8.2
2.5
1928
PHA
3.6
2.4
7.1
5.0
10.8
7.4
3.4
1929
PHA
3.4
2.7
7.8
5.4
11.2
8.1
3.1
1930
PHA
4.0
2.3
7.8
5.2
11.9
7.6
4.3
1931
PHA
3.4
2.1
8.0
5.5
11.3
7.6
3.8
1932
PHA
3.9
2.8
8.5
5.6
12.4
8.3
4.0
1933
PHA
2.3
3.0
8.6
6.1
10.9
9.1
1.8
1934
BOS
0.9
1.1
3.6
2.8
4.5
3.8
0.6
1935
BOS
2.5
2.1
8.7
5.2
11.3
7.3
4.0
1936
BOS
2.7
2.4
7.8
4.9
10.5
7.2
3.3
1937
BOS
3.2
2.7
8.1
5.2
11.3
7.8
3.5
1938
BOS
2.0
1.8
4.8
3.1
6.8
4.9
1.9
1939
BOS
1.7
2.2
5.9
3.5
7.6
5.6
2.0
1940
BOS
1.3
1.7
4.8
4.8
6.1
6.5
-0.4
1941
BOS
1.1
1.4
4.2
3.2
5.3
4.6
0.7
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CAREER
45.8
40.8
115.1
80.0
160.9
120.8
40.1
Component 5
Component 6
Component 7
Season
Team
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
eWins
eLoss
Net Wins
1925
PHA
1.3
1.6
-0.3
0.1
0.1
0.0
0.3
0.1
0.2
1926
PHA
1.9
1.8
0.1
0.2
0.1
0.0
0.2
0.1
0.1
1927
PHA
2.2
2.1
0.0
0.2
0.2
-0.0
0.1
0.1
0.1
1928
PHA
1.9
1.8
0.1
0.2
0.2
0.0
0.1
0.1
-0.0
1929
PHA
2.1
2.1
0.0
0.2
0.1
0.1
0.0
0.1
-0.1
1930
PHA
2.3
2.1
0.2
0.2
0.2
0.0
0.3
0.1
0.2
1931
PHA
2.3
2.0
0.3
0.2
0.1
0.1
0.0
0.1
-0.1
1932
PHA
2.2
2.1
0.1
0.2
0.2
0.0
0.1
0.1
-0.1
1933
PHA
2.1
2.1
0.0
0.2
0.1
0.1
0.0
0.1
-0.1
1934
BOS
1.1
1.2
-0.2
0.1
0.1
-0.1
0.0
0.0
-0.0
1935
BOS
2.4
2.3
0.2
0.2
0.2
0.0
0.2
0.1
0.2
1936
BOS
2.1
1.7
0.3
0.1
0.1
0.0
0.0
0.1
-0.1
1937
BOS
2.3
2.2
0.2
0.2
0.2
0.1
0.0
0.1
-0.1
1938
BOS
1.4
1.3
0.1
0.1
0.1
0.0
0.0
0.0
-0.0
1939
BOS
1.7
1.4
0.3
0.1
0.1
0.0
0.3
0.0
0.3
1940
BOS
1.3
1.1
0.2
0.1
0.1
-0.0
0.0
0.0
-0.0
1941
BOS
1.1
1.3
-0.2
0.1
0.1
-0.0
0.0
0.0
-0.0
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CAREER
31.7
30.2
1.4
2.8
2.4
0.4
1.5
1.1
0.3
Contextual Adjustments
Context Multipliers
Win Adjustments
Season
Team
Inter-Game
Intra-Game
Combined
Inter-Game
Intra-Game
1925
PHA
1.17
0.82
0.95
-0.025
-0.016
1926
PHA
1.03
1.03
1.06
0.014
0.013
1927
PHA
1.18
1.00
1.18
0.001
0.040
1928
PHA
1.16
1.05
1.22
-0.008
0.048
1929
PHA
1.10
0.95
1.05
0.008
0.053
1930
PHA
1.15
0.98
1.12
0.012
0.061
1931
PHA
1.16
1.06
1.23
0.037
0.067
1932
PHA
1.06
1.07
1.14
0.018
0.026
1933
PHA
1.17
0.94
1.11
0.029
0.043
1934
BOS
1.16
0.98
1.13
-0.039
0.006
1935
BOS
1.16
0.86
1.00
0.011
0.024
1936
BOS
1.16
1.01
1.17
0.004
0.020
1937
BOS
1.10
0.93
1.03
0.010
0.030
1938
BOS
1.20
0.87
1.05
-0.009
0.066
1939
BOS
1.07
0.97
1.03
0.024
0.047
1940
BOS
1.09
0.85
0.93
0.019
-0.003
1941
BOS
0.98
0.92
0.90
0.005
0.001
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CAREER
1.13
0.96
1.09
0.008
0.036
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