most earned runs in a single game by one starting pitcher

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

Interpreted as:
most earned runs in a single regular-season game by one starting pitcher
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 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
9 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
10 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
11 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
12 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
13 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
14 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
15 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
16 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
17 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
18 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
19 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
20 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
21 Bill Phillips
B. Phillips
14
9/24/1901
CIN CIN
vs
BKN BKN
L
1
14.00
3
1
0
0
9.0
21
16
2
0
1
0
51
0
22 Roscoe Miller
R. Miller
14
6/24/1901
DET DET
@
BAL BAL
L
1
15.75
0
1
0
0
8.0
22
17
0
3
2
0
50
0
23 Doc Parker
D. Parker
14
6/21/1901
CIN CIN
@
BKN BKN
L
1
15.75
0
1
0
0
8.0
26
21
1
2
0
0
51
1
24 Roy Patterson
R. Patterson
14
5/5/1901
CWS CWS
@
MIL MIL
L
1
14.00
2
1
0
0
9.0
25
21
1
2
0
0
57
0
25 Ben Lively
B. Lively
13
8/1/2023
CIN CIN
@
CHC CHC
L
1
29.25
2
0
0
0
4.0
13
13
4
2
1
0
0
27
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
Phillies Phillies
96
66
.593
Mets Mets
83
79
.512
13.0
NL Central W L PCT GB
Brewers Brewers
97
65
.599
Cubs Cubs
92
70
.568
5.0
NL West W L PCT GB
Dodgers Dodgers
93
69
.574
Padres Padres
90
72
.556
3.0
AL East W L PCT GB
Blue Jays Blue Jays
94
68
.580
Yankees Yankees
94
68
.580
AL Central W L PCT GB
Guardians Guardians
88
74
.543
Tigers Tigers
87
75
.537
1.0
AL West W L PCT GB
Mariners Mariners
90
72
.556
Astros Astros
87
75
.537
3.0

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Sun
9/14
ATL ATL
@
WSH WSH
11-3
Sun
9/14
BAL BAL
@
CWS CWS
4-1
Sun
9/14
NYY NYY
@
MIN MIN
0-7
Sun
9/14
CIN CIN
@
STL STL
11-6
Sun
9/14
TEX TEX
@
HOU HOU
3-6

Schedule

DATE MATCHUP TIME (ET)
Tue
10/7
SEA SEA
@
DET DET
4:08 PM
Tue
10/7
TOR TOR
@
NYY NYY
8:08 PM
Wed
10/8
SEA SEA
@
DET DET
3:08 PM
Wed
10/8
MIL MIL
@
CHC CHC
5:08 PM
Wed
10/8
TOR TOR
@
NYY NYY
7:08 PM