most home runs allowed by one pitcher in one game in mlb history

12 pitchers are tied for allowing the most home runs in a game, with 6 HR. The first three are Joe Ryan on July 20, Miles Mikolas on July 4, 2025 and Matt Swarmer on June 11, 2022.

Interpreted as:
most home runs allowed by one pitcher in one regular-season game in MLB history
NAMEHRDATETMOPPDECGSERASOCGSHOSVIPHERRBBHBPGFIBBTBFWP
1Joe Ryan
J. Ryan
6
7/20/2026
@
L
1
18.00
3
0
0
0
4.0
10
8
8
0
0
0
0
22
0
2Miles Mikolas
M. Mikolas
6
7/4/2025
@
L
1
12.00
4
0
0
0
6.0
10
8
8
0
0
0
0
28
0
3Matt Swarmer
M. Swarmer
6
6/11/2022
@
L
1
10.80
4
0
0
0
5.0
7
6
6
0
0
0
0
22
0
4Michael Blazek
M. Blazek
6
7/27/2017
@
L
1
30.86
4
0
0
0
2.1
7
8
8
1
0
0
0
15
0
5James Shields
J. Shields
6
8/7/2010
@
L
1
18.00
2
0
0
0
4.0
9
8
8
4
0
0
0
25
1
6R.A. Dickey
R.A. Dickey
6
4/6/2006
vs
L
1
18.90
1
0
0
0
3.1
8
7
7
1
0
0
0
18
0
7Tim Wakefield
T. Wakefield
6
8/8/2004
@
W
1
12.60
2
0
0
0
5.0
8
7
7
0
0
0
0
23
0
8George Caster
G. Caster
6
9/24/1940
vs
0
34.71
1
0
0
0
2.1
10
9
9
1
0
0
17
0
9Bill Kerksieck
B. Kerksieck
6
8/13/1939
@
L
1
15.75
1
0
0
0
4.0
7
7
7
4
0
0
22
0
10Tommy Thomas
T. Thomas
6
6/27/1936
vs
L
1
10.00
2
1
0
0
9.0
16
10
10
6
0
0
48
1
11Sloppy Thurston
S. Thurston
6
8/13/1932
@
W
1
8.00
0
1
0
0
9.0
12
8
9
0
0
0
41
0
12Larry Benton
L. Benton
6
5/12/1930
@
W
1
10.80
6
0
0
0
6.2
9
8
9
5
0
0
35
0
13Kyle Harrison
K. Harrison
5
8/31/2026
@
L
1
22.09
3
0
0
0
3.2
10
9
9
2
0
0
0
24
0
14Tanner Bibee
T. Bibee
5
5/25/2026
vs
L
1
21.00
3
0
0
0
3.0
8
7
7
0
0
0
0
16
0
15Jameson Taillon
J. Taillon
5
5/16/2026
@
L
1
14.40
2
0
0
0
5.0
8
8
8
1
0
0
0
24
0
16Brayan Bello
B. Bello
5
4/24/2026
@
L
1
21.60
2
0
0
0
3.1
13
8
8
1
0
0
0
23
0
17Shane Baz
S. Baz
5
8/19/2025
vs
L
1
18.00
3
0
0
0
3.0
7
6
6
2
0
0
0
18
0
18Anthony Molina
A. Molina
5
8/5/2025
vs
L
1
12.60
2
0
0
0
5.0
9
7
7
1
0
0
0
24
0
19Mitch Spence
M. Spence
5
7/9/2025
vs
L
1
12.00
3
0
0
0
6.0
9
8
8
1
0
0
0
28
0
20Kyle Gibson
K. Gibson
5
4/29/2025
vs
L
1
22.09
2
0
0
0
3.2
11
9
9
2
0
0
0
24
0
21Bowden Francis
B. Francis
5
4/29/2025
vs
L
1
21.00
1
0
0
0
3.0
8
7
7
0
0
0
0
17
0
22Nestor Cortes
N. Cortes
5
3/29/2025
@
L
1
36.00
2
0
0
0
2.0
6
8
8
5
0
0
0
17
0
23Carson Spiers
C. Spiers
5
8/20/2024
@
L
1
18.69
3
0
0
0
4.1
13
9
10
2
1
0
0
28
0
24Kutter Crawford
K. Crawford
5
7/21/2024
@
L
1
10.80
2
0
0
0
5.0
7
6
6
0
0
0
0
22
0
25Martín Pérez
M. Pérez
5
5/15/2024
@
L
1
16.20
4
0
0
0
5.0
11
9
9
1
0
0
0
26
0
Results may be incomplete. StatMuse has complete game-level data for home runs allowed going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.

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