most earned runs in a start by a pitcher

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

Interpreted as:
most earned runs in a regular-season start by a pitcher
NAME ER GS DATE TM OPP DEC ERA SO CG SHO SV IP H R HR BB HBP GF IBB TBF WP
1 George Leclair
G. Leclair
20
1
8/16/1914
PTF
@
IND
L
22.50
0
1
0
0
8.0
24
21
0
8
0
0
51
0
2 Howard Ehmke
H. Ehmke
16
1
9/28/1923
BSA BSA
vs
NYY NYY
L
24.00
6
0
0
0
6.0
21
17
2
4
0
0
42
0
3 Jack Bracken
J. Bracken
16
1
9/15/1901
CLE CLE
@
DET DET
L
20.57
1
1
0
0
7.0
24
21
1
3
2
0
49
1
4 Bob Feller
B. Feller
15
1
8/26/1938
CLE CLE
@
NYY NYY
L
19.29
7
0
0
0
7.0
15
15
2
9
0
0
44
1
5 Slick Castleman
S. Castleman
15
1
6/9/1936
NYG NYG
@
CIN CIN
L
16.88
2
1
0
0
8.0
18
15
1
3
0
0
45
1
6 Flint Rhem
F. Rhem
15
1
8/4/1933
PHN PHN
vs
NYG NYG
L
16.88
1
0
0
0
8.0
21
16
0
3
1
0
47
0
7 Hugh McQuillan
H. McQuillan
15
1
9/11/1927
BSN BSN
@
CIN CIN
L
20.25
2
0
0
0
6.2
17
16
1
3
0
0
39
0
8 Win Noyes
W. Noyes
15
1
9/5/1919
PHA PHA
vs
BSA BSA
L
19.29
3
0
0
0
7.0
22
15
1
2
1
0
43
0
9 Jack Katoll
J. Katoll
15
1
9/12/1902
BAL BAL
vs
WSH WSH
L
15.00
0
1
0
0
9.0
23
15
0
1
0
0
49
0
10 Jim Hughes
J. Hughes
15
1
8/20/1902
BKN BKN
@
CIN CIN
L
16.88
3
1
0
0
8.0
21
15
1
3
0
0
45
0
11 Al Maul
A. Maul
15
1
9/5/1901
NYG NYG
vs
PIT PIT
L
15.00
3
1
0
0
9.0
22
15
1
5
0
0
52
0
12 Casey Patten
C. Patten
15
1
7/24/1901
WSH WSH
@
CWS CWS
L
16.88
1
1
0
0
8.0
20
17
0
4
0
0
52
0
13 Mike Oquist
M. Oquist
14
1
8/3/1998
OAK OAK
vs
NYY NYY
L
25.20
3
0
0
0
5.0
16
14
4
3
0
0
0
32
0
14 Bill Travers
B. Travers
14
1
8/14/1977
MIL MIL
@
CLE CLE
L
16.43
4
0
0
0
7.2
18
14
2
4
1
0
0
45
2
15 Al Jurisich
A. Jurisich
14
1
6/28/1947
PHN PHN
@
NYG NYG
L
15.75
1
1
0
0
8.0
16
14
3
6
0
0
46
0
16 Chubby Dean
C. Dean
14
1
9/28/1940
PHA PHA
@
BSA BSA
L
15.75
1
1
0
0
8.0
19
16
1
5
0
0
47
2
17 Jim Walkup
J. Walkup
14
1
7/25/1937
SLA SLA
vs
WSH WSH
L
15.75
3
0
0
0
8.0
16
14
1
5
0
0
44
1
18 Hod Lisenbee
H. Lisenbee
14
1
9/11/1936
PHA PHA
@
CWS CWS
L
15.75
1
1
0
0
8.0
26
17
2
4
0
0
51
1
19 Johnny Miljus
J. Miljus
14
1
7/25/1929
CLE CLE
@
PHA PHA
L
42.00
0
0
0
0
3.0
13
14
3
3
0
0
25
0
20 Ted Lyons
T. Lyons
14
1
7/21/1924
CWS CWS
@
WSH WSH
L
15.75
3
1
0
0
8.0
18
16
0
5
0
0
48
0
21 Bill Phillips
B. Phillips
14
1
9/24/1901
CIN CIN
vs
BKN BKN
L
14.00
3
1
0
0
9.0
21
16
2
0
1
0
51
0
22 Roscoe Miller
R. Miller
14
1
6/24/1901
DET DET
@
BAL BAL
L
15.75
0
1
0
0
8.0
22
17
0
3
2
0
50
0
23 Doc Parker
D. Parker
14
1
6/21/1901
CIN CIN
@
BKN BKN
L
15.75
0
1
0
0
8.0
26
21
1
2
0
0
51
1
24 Roy Patterson
R. Patterson
14
1
5/5/1901
CWS CWS
@
MIL MIL
L
14.00
2
1
0
0
9.0
25
21
1
2
0
0
57
0
25 Ben Lively
B. Lively
13
1
8/1/2023
CIN CIN
@
CHC CHC
L
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

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MLB 2025 Division Standings

AL East W L PCT GB
Yankees Yankees
40
25
.615
Blue Jays Blue Jays
37
30
.552
4.0
AL Central W L PCT GB
Tigers Tigers
44
24
.647
Twins Twins
35
31
.530
8.0
AL West W L PCT GB
Astros Astros
36
30
.545
Mariners Mariners
33
33
.500
3.0
NL East W L PCT GB
Mets Mets
43
24
.642
Phillies Phillies
38
29
.567
5.0
NL Central W L PCT GB
Cubs Cubs
41
26
.612
Cardinals Cardinals
36
31
.537
5.0
NL West W L PCT GB
Dodgers Dodgers
40
28
.588
Giants Giants
39
28
.582
0.5

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Sun
5/25
CWS CWS
@
NYM NYM
1-2
Sun
5/25
NYY NYY
@
LAA LAA
5-1
Mon
5/26
LAD LAD
@
CLE CLE
9-5
Mon
5/26
STL STL
@
BAL BAL
7-4
Mon
5/26
SFG SFG
@
DET DET
1-3

Schedule

DATE MATCHUP TIME (ET)
Wed
6/11
SEA SEA
@
AZ AZ
3:40 PM
Wed
6/11
ATH ATH
@
LAA LAA
4:07 PM
Wed
6/11
LAD LAD
@
SDP SDP
4:10 PM
Wed
6/11
DET DET
@
BAL BAL
6:35 PM
Wed
6/11
WSH WSH
@
NYM NYM
7:10 PM