most l grandslam all-time leaders active

7 pitchers took the loss 7 times in their careers. The first three are Ryan Dempster, Kyle Lohse and J.A. Happ.

Interpreted as:
most regular-season l grandslam all-time leaders active
NAMELGRANDSLAMWL%GW%GSERASOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAH/9
1Ryan Dempster
R. Dempster
7
11
0
1.000
11
.000
11
12.66
45
0
0
0
53.1
80
75
75
16
39
2
0
2
278
1
7.59
6.58
1.15
2.70
16.2
14.0
2.23
.364
12.66
13.50
2Kenny Rogers
K. Rogers
6
11
1
.857
11
.143
8
12.25
26
0
0
0
39.2
59
54
56
15
23
2
1
1
202
3
5.90
5.22
1.13
3.40
12.9
11.4
2.07
.324
12.71
13.39
3Kyle Lohse
K. Lohse
7
10
0
1.000
10
.000
10
11.54
34
0
0
0
48.1
75
62
63
15
18
3
0
0
239
0
6.33
3.35
1.89
2.79
14.2
7.5
1.92
.355
11.73
13.97
4Michael Jackson
M. Jackson
1
10
2
.333
10
.667
0
16.36
9
0
0
0
11.0
19
20
20
12
9
1
3
3
63
0
7.36
7.36
1.00
9.82
14.3
14.3
2.55
.219
16.36
15.55
5J.A. Happ
J.A. Happ
7
9
1
.875
9
.125
9
12.03
32
0
0
0
33.2
63
45
55
14
17
1
0
0
180
1
8.55
4.54
1.88
3.74
17.8
9.4
2.38
.422
14.70
16.84
6Tom Gordon
T. Gordon
5
9
0
1.000
9
.000
3
14.19
18
0
0
0
19.2
28
31
32
9
18
1
3
0
105
0
8.24
8.24
1.00
4.12
17.1
17.1
2.34
.322
14.64
12.81
7Frank Viola
F. Viola
5
9
2
.714
9
.286
9
8.74
30
1
0
0
45.1
52
44
54
11
35
1
0
0
223
1
5.96
6.95
0.86
2.18
13.5
15.7
1.92
.281
10.72
10.32
8Lee Smith
L. Smith
3
9
0
1.000
9
.000
0
50.14
6
0
0
0
4.2
19
26
27
9
9
1
6
2
43
0
11.57
17.36
0.67
17.36
14.0
20.9
6.00
.556
52.07
36.64
9Jimmy Haynes
J. Haynes
7
8
0
1.000
8
.000
7
16.00
13
0
0
0
27.0
53
48
56
14
20
3
0
1
156
0
4.33
6.67
0.65
4.67
8.3
12.8
2.70
.368
18.67
17.67
10Jamie Moyer
J. Moyer
7
8
0
1.000
8
.000
8
9.84
27
0
0
0
43.0
63
47
49
12
23
3
0
0
213
0
5.65
4.81
1.17
2.51
12.7
10.8
2.00
.345
10.26
13.19
11Alex Fernandez
A. Fernandez
7
8
1
.875
8
.125
8
10.13
28
0
0
0
42.2
63
48
56
11
23
3
0
0
215
2
5.91
4.85
1.22
2.32
13.0
10.7
2.02
.347
11.81
13.29
12Al Leiter
A. Leiter
7
8
0
1.000
8
.000
8
13.79
23
0
0
0
31.1
47
48
48
10
21
6
0
1
162
0
6.61
6.03
1.10
2.87
14.2
13.0
2.17
.363
13.79
13.50
13Kevin Millwood
K. Millwood
6
8
0
1.000
8
.000
8
13.36
26
0
0
0
31.2
46
47
47
11
31
2
0
0
174
2
7.39
8.81
0.84
3.13
14.9
17.8
2.43
.337
13.36
13.07
14Paul Byrd
P. Byrd
6
8
0
1.000
8
.000
5
20.37
14
0
0
0
19.0
40
43
54
16
19
2
1
1
121
1
6.63
9.00
0.74
7.58
11.6
15.7
3.11
.343
25.58
18.95
15Frank Tanana
F. Tanana
6
8
0
1.000
8
.000
8
14.90
17
0
0
0
29.0
54
48
48
11
18
0
0
3
153
3
5.28
5.59
0.94
3.41
11.1
11.8
2.48
.402
14.90
16.76
16Brad Penny
B. Penny
5
8
1
.833
8
.167
8
10.58
24
0
0
0
40.0
40
47
47
12
27
4
0
1
187
1
5.40
6.08
0.89
2.70
12.8
14.4
1.68
.233
10.58
9.00
17Willie Blair
W. Blair
5
8
0
1.000
8
.000
5
16.29
11
0
0
0
21.0
44
38
46
13
14
2
1
1
124
0
4.71
6.00
0.79
5.57
8.9
11.3
2.76
.369
19.71
18.86
18Cliff Lee
C. Lee
4
8
1
.800
8
.200
8
9.24
26
0
0
0
37.0
50
38
43
12
26
3
0
2
186
4
6.32
6.32
1.00
2.92
14.0
14.0
2.05
.319
10.46
12.16
19Brian Boehringer
B. Boehringer
3
8
0
1.000
8
.000
2
17.02
12
0
0
0
15.1
23
29
34
9
20
1
2
4
89
1
7.04
11.74
0.60
5.28
13.5
22.5
2.80
.298
19.96
13.50
20Jesse Orosco
J. Orosco
2
8
1
.667
8
.333
0
31.26
7
0
0
0
6.1
21
22
24
8
8
1
2
0
49
0
9.95
11.37
0.88
11.37
14.3
16.3
4.58
.520
34.11
29.84
21Bronson Arroyo
B. Arroyo
6
7
0
1.000
7
.000
7
11.01
17
0
0
0
34.1
54
42
43
9
12
1
0
2
163
0
4.46
3.15
1.42
2.36
10.4
7.4
1.92
.363
11.27
14.16
22Joel Pineiro
J. Pineiro
6
7
0
1.000
7
.000
6
15.75
18
0
0
0
24.0
42
42
44
11
17
0
0
2
132
0
6.75
6.38
1.06
4.13
13.6
12.9
2.46
.360
16.50
15.75
23Mark Buehrle
M. Buehrle
6
7
0
1.000
7
.000
7
9.68
19
0
0
0
35.1
49
38
49
10
16
3
0
1
170
1
4.84
4.08
1.19
2.55
11.2
9.4
1.84
.320
12.48
12.48
24Patrick Corbin
P. Corbin
5
7
0
1.000
7
.000
7
13.20
26
0
0
0
30.0
53
44
49
13
18
2
0
0
163
2
7.80
5.40
1.44
3.90
16.0
11.0
2.37
.385
14.70
15.90
25Bud Norris
B. Norris
5
7
0
1.000
7
.000
4
20.57
7
0
0
0
14.0
33
32
34
9
13
0
2
1
88
2
4.50
8.36
0.54
5.79
8.0
14.8
3.29
.407
21.86
21.21
StatMuse has game-level data for grand slams allowed going back to the 1920 season.
Some of the information used here was obtained free of charge from Retrosheet.

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DATEMATCHUPTIME (ET)
Sat
8/29
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2:20 PM
Sun
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Mon
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MLB 2026 Standings

NL EastWLPCTGB
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74
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5.0
68
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NL CentralWLPCTGB
83
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7.0
67
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16.5
65
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63
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NL WestWLPCTGB
80
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72
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71
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55
79
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AL EastWLPCTGB
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75
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73
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6.0
65
69
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14.5
65
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15.0
AL CentralWLPCTGB
70
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68
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2.5
64
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6.5
62
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60
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AL WestWLPCTGB
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53
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