most er by a pitcher in a game

George Leclair has given up the most earned runs in a game, with 20 earned runs versus the Indianapolis Hoosiers on August 16, 1914.

Interpreted as:
most er by a pitcher in a regular-season game
NAME ER DATE TM OPP DEC GS ERA SO CG SHO SV IP H R HR BB HBP GF IBB TBF WP
1 George Leclair
G. Leclair
20
8/16/1914
PTF
@
IND
L
1
22.50
0
1
0
0
8.0
24
21
0
8
0
0
51
0
2 Howard Ehmke
H. Ehmke
16
9/28/1923
BSA BSA
vs
NYY NYY
L
1
24.00
6
0
0
0
6.0
21
17
2
4
0
0
42
0
3 Jack Bracken
J. Bracken
16
9/15/1901
CLE CLE
@
DET DET
L
1
20.57
1
1
0
0
7.0
24
21
1
3
2
0
49
1
4 Bob Feller
B. Feller
15
8/26/1938
CLE CLE
@
NYY NYY
L
1
19.29
7
0
0
0
7.0
15
15
2
9
0
0
44
1
5 Slick Castleman
S. Castleman
15
6/9/1936
NYG NYG
@
CIN CIN
L
1
16.88
2
1
0
0
8.0
18
15
1
3
0
0
45
1
6 Flint Rhem
F. Rhem
15
8/4/1933
PHN PHN
vs
NYG NYG
L
1
16.88
1
0
0
0
8.0
21
16
0
3
1
0
47
0
7 Hugh McQuillan
H. McQuillan
15
9/11/1927
BSN BSN
@
CIN CIN
L
1
20.25
2
0
0
0
6.2
17
16
1
3
0
0
39
0
8 Nelson Greene
N. Greene
15
6/20/1925
BKN BKN
@
PIT PIT
0
20.25
0
0
0
0
6.2
18
15
3
3
0
1
40
1
9 Win Noyes
W. Noyes
15
9/5/1919
PHA PHA
vs
BSA BSA
L
1
19.29
3
0
0
0
7.0
22
15
1
2
1
0
43
0
10 Jack Katoll
J. Katoll
15
9/12/1902
BAL BAL
vs
WSH WSH
L
1
15.00
0
1
0
0
9.0
23
15
0
1
0
0
49
0
11 Jim Hughes
J. Hughes
15
8/20/1902
BKN BKN
@
CIN CIN
L
1
16.88
3
1
0
0
8.0
21
15
1
3
0
0
45
0
12 Al Maul
A. Maul
15
9/5/1901
NYG NYG
vs
PIT PIT
L
1
15.00
3
1
0
0
9.0
22
15
1
5
0
0
52
0
13 Casey Patten
C. Patten
15
7/24/1901
WSH WSH
@
CWS CWS
L
1
16.88
1
1
0
0
8.0
20
17
0
4
0
0
52
0
14 Vin Mazzaro
V. Mazzaro
14
5/16/2011
KCR KCR
vs
CLE CLE
0
54.00
2
0
0
0
2.1
11
14
1
3
0
0
0
21
1
15 Mike Oquist
M. Oquist
14
8/3/1998
OAK OAK
vs
NYY NYY
L
1
25.20
3
0
0
0
5.0
16
14
4
3
0
0
0
32
0
16 Bill Travers
B. Travers
14
8/14/1977
MIL MIL
@
CLE CLE
L
1
16.43
4
0
0
0
7.2
18
14
2
4
1
0
0
45
2
17 Al Jurisich
A. Jurisich
14
6/28/1947
PHN PHN
@
NYG NYG
L
1
15.75
1
1
0
0
8.0
16
14
3
6
0
0
46
0
18 Les McCrabb
L. McCrabb
14
4/16/1942
PHA PHA
@
BSA BSA
0
31.50
0
0
0
0
4.0
14
14
2
2
1
1
29
1
19 Chubby Dean
C. Dean
14
9/28/1940
PHA PHA
@
BSA BSA
L
1
15.75
1
1
0
0
8.0
19
16
1
5
0
0
47
2
20 Carl Doyle
C. Doyle
14
6/8/1940
BKN BKN
@
CIN CIN
0
31.50
2
0
0
0
4.0
16
14
1
4
4
0
36
2
21 Jim Walkup
J. Walkup
14
7/25/1937
SLA SLA
vs
WSH WSH
L
1
15.75
3
0
0
0
8.0
16
14
1
5
0
0
44
1
22 Hod Lisenbee
H. Lisenbee
14
9/11/1936
PHA PHA
@
CWS CWS
L
1
15.75
1
1
0
0
8.0
26
17
2
4
0
0
51
1
23 Dutch Schesler
D. Schesler
14
7/11/1931
PHN PHN
vs
NYG NYG
0
15.75
1
0
0
0
8.0
22
16
4
0
1
1
48
0
24 Johnny Miljus
J. Miljus
14
7/25/1929
CLE CLE
@
PHA PHA
L
1
42.00
0
0
0
0
3.0
13
14
3
3
0
0
25
0
25 Ted Lyons
T. Lyons
14
7/21/1924
CWS CWS
@
WSH WSH
L
1
15.75
3
1
0
0
8.0
18
16
0
5
0
0
48
0
Results may be incomplete. StatMuse has complete game-level data for earned runs going back to the 1923 season.
Some of the information used here was obtained free of charge from Retrosheet.

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

NL East W L PCT GB
Mets Mets
24
14
.632
Phillies Phillies
21
15
.583
2.0
NL Central W L PCT GB
Cubs Cubs
22
16
.579
Reds Reds
19
19
.500
3.0
NL West W L PCT GB
Dodgers Dodgers
25
12
.676
Padres Padres
23
13
.639
1.5
AL East W L PCT GB
Yankees Yankees
21
16
.568
Red Sox Red Sox
19
19
.500
2.5
AL Central W L PCT GB
Tigers Tigers
22
13
.629
Guardians Guardians
22
15
.595
1.0
AL West W L PCT GB
Mariners Mariners
22
14
.611
Athletics Athletics
20
18
.526
3.0

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Mon
4/21
LAD LAD
@
CHC CHC
10-11
Tue
4/22
STL STL
@
ATL ATL
1-4
Tue
4/22
CIN CIN
@
MIA MIA
5-2
Tue
4/22
NYY NYY
@
CLE CLE
5-1
Tue
4/22
SDP SDP
@
DET DET
0-6

Schedule

DATE MATCHUP TIME (ET)
Thu
5/8
BAL BAL
@
MIN MIN
1:10 PM
Thu
5/8
TEX TEX
@
BOS BOS
1:35 PM
Thu
5/8
CWS CWS
@
KCR KCR
2:10 PM
Thu
5/8
DET DET
@
COL COL
3:10 PM
Thu
5/8
DET DET
@
COL COL
6:10 PM