most er by a pitcher in a game since 1980

Since 1980, Vin Mazzaro and Mike Oquist are tied for giving up the most earned runs in a game, with 14 earned runs.

Interpreted as:
most er by a pitcher in a regular-season game since 1980
NAMEERDATETMOPPDECGSERASOCGSHOSVIPHRHRBBHBPGFIBBTBFWP
1Vin Mazzaro
V. Mazzaro
14
5/16/2011
vs
0
54.00
2
0
0
0
2.1
11
14
1
3
0
0
0
21
1
2Mike Oquist
M. Oquist
14
8/3/1998
vs
L
1
25.20
3
0
0
0
5.0
16
14
4
3
0
0
0
32
0
3Ben Lively
B. Lively
13
8/1/2023
@
L
1
29.25
2
0
0
0
4.0
13
13
4
2
1
0
0
27
0
4Scott Kazmir
S. Kazmir
13
7/10/2010
@
L
1
23.40
2
0
0
0
5.0
11
13
3
3
1
0
1
30
2
5Jason Marquis
J. Marquis
13
6/21/2006
@
L
1
23.40
3
0
0
0
5.0
14
13
4
1
0
0
0
30
0
6David Wells
D. Wells
13
8/20/1992
@
L
1
27.00
1
0
0
0
4.1
11
13
1
4
2
0
0
29
0
7Jesús Luzardo
J. Luzardo
12
5/31/2025
vs
L
1
32.40
4
0
0
0
3.1
12
12
2
3
0
0
0
23
0
8Bradley Blalock
B. Blalock
12
5/10/2025
vs
L
1
29.45
1
0
0
0
3.2
13
12
3
2
0
0
0
26
1
9Jordan Yamamoto
J. Yamamoto
12
9/9/2020
@
0
40.50
3
0
0
0
2.2
11
13
4
2
0
0
0
22
0
10Masahiro Tanaka
M. Tanaka
12
7/25/2019
@
L
1
32.40
4
0
0
0
3.1
12
12
2
3
0
0
0
25
0
11A.J. Burnett
A.J. Burnett
12
5/2/2012
@
L
1
40.50
2
0
0
0
2.2
12
12
2
1
1
0
0
22
0
12Randy Wolf
R. Wolf
12
7/21/2010
@
L
1
19.06
4
0
0
0
5.2
13
12
2
2
0
0
0
31
0
13Jason Marquis
J. Marquis
12
7/18/2006
vs
L
1
21.60
4
0
0
0
5.0
14
12
3
2
1
0
0
31
0
14Shawn Chacon
S. Chacon
12
6/7/2003
vs
L
1
29.45
2
0
0
0
3.2
9
12
2
6
0
0
0
25
1
15Jose Lima
J. Lima
12
4/27/2000
vs
L
1
21.60
6
0
0
0
5.0
13
12
5
3
0
0
0
31
1
16John Burkett
J. Burkett
12
5/17/1999
vs
L
1
27.00
2
0
0
0
4.0
8
12
3
5
0
0
0
25
0
17Jerry Augustine
J. Augustine
12
5/11/1982
@
L
1
21.60
1
0
0
0
5.0
15
12
2
2
0
0
0
31
0
18Miles Mikolas
M. Mikolas
11
4/3/2026
vs
L
1
22.85
4
0
0
0
4.1
11
11
4
1
0
0
0
25
0
19Tanner Houck
T. Houck
11
5/12/2025
@
L
1
42.43
0
0
0
0
2.1
9
11
2
3
1
0
0
20
1
20Tanner Houck
T. Houck
11
4/14/2025
@
L
1
42.43
1
0
0
0
2.1
10
12
2
2
0
0
0
20
1
21Braxton Garrett
B. Garrett
11
5/3/2023
vs
L
1
22.85
3
0
0
0
4.1
14
11
4
2
0
0
0
28
0
22Luis Cessa
L. Cessa
11
4/16/2023
vs
L
1
33.00
0
0
0
0
3.0
14
11
1
3
1
0
0
27
1
23Kohei Arihara
K. Arihara
11
9/10/2022
vs
L
1
33.00
1
0
0
0
3.0
12
11
2
5
0
0
0
26
0
24Ryan Weber
R. Weber
11
6/13/2021
vs
0
17.47
7
0
0
0
5.2
13
11
4
2
0
0
0
30
0
25Alec Bettinger
A. Bettinger
11
5/2/2021
vs
L
1
24.75
0
0
0
0
4.0
11
11
2
2
1
0
0
26
1
Some of the information used here was obtained free of charge from Retrosheet.

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