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

most er by a pitcher in a game
Interpreted as:
most er by a pitcher in a regular-season game
8/16/1914 Leclair 9/28/1923 Ehmke 9/15/1901 Bracken 8/26/1938 Feller 6/9/1936 Castleman 8/4/1933 Rhem 9/11/1927 McQuillan 6/20/1925 Greene 9/5/1919 Noyes 9/12/1902 Katoll 8/20/1902 Hughes 9/5/1901 Maul 7/24/1901 Patten 5/16/2011 Mazzaro 8/3/1998 Oquist 8/14/1977 Travers 6/28/1947 Jurisich 4/16/1942 McCrabb 9/28/1940 Dean 6/8/1940 Doyle 7/25/1937 Walkup 9/11/1936 Lisenbee 7/11/1931 Schesler 7/25/1929 Miljus 7/21/1924 Lyons 9/24/1901 Phillips 6/24/1901 Miller 0 2 4 6 8 10 12 14 16 18 20 20 16 16 15 15 15 15 15 15 15 15 15 15 14 14 14 14 14 14 14 14 14 14 14 14 14 14
NAME ER DATE TM OPP DEC GS CG GF SHO SV IP H TBF R HR BB IBB HBP SO WP
George Leclair George Leclair 20 8/16/1914
PTF
@
IND
L 1 1 0 0 0 8.0 24 51 21 0 8 0 0 0
Howard Ehmke Howard Ehmke 16 9/28/1923
BSA BSA
vs
NYY NYY
L 1 0 0 0 0 6.0 21 42 17 2 4 0 6 0
Jack Bracken Jack Bracken 16 9/15/1901
CLE CLE
@
DET DET
L 1 1 0 0 0 7.0 24 49 21 1 3 2 1 1
Bob Feller Bob Feller 15 8/26/1938
CLE CLE
@
NYY NYY
L 1 0 0 0 0 7.0 15 44 15 2 9 0 7 1
Slick Castleman Slick Castleman 15 6/9/1936
NYG NYG
@
CIN CIN
L 1 1 0 0 0 8.0 18 45 15 1 3 0 2 1
Flint Rhem Flint Rhem 15 8/4/1933
PHN PHN
vs
NYG NYG
L 1 0 0 0 0 8.0 21 47 16 0 3 1 1 0
Hugh McQuillan Hugh McQuillan 15 9/11/1927
BSN BSN
@
CIN CIN
L 1 0 0 0 0 6.2 17 39 16 1 3 0 2 0
Nelson Greene Nelson Greene 15 6/20/1925
BKN BKN
@
PIT PIT
0 0 1 0 0 6.2 18 40 15 3 3 0 0 1
Win Noyes Win Noyes 15 9/5/1919
PHA PHA
vs
BSA BSA
L 1 0 0 0 0 7.0 22 43 15 1 2 1 3 0
Jack Katoll Jack Katoll 15 9/12/1902
BAL BAL
vs
WSH WSH
L 1 1 0 0 0 9.0 23 49 15 0 1 0 0 0
Jim Hughes Jim Hughes 15 8/20/1902
BKN BKN
@
CIN CIN
L 1 1 0 0 0 8.0 21 45 15 1 3 0 3 0
Al Maul Al Maul 15 9/5/1901
NYG NYG
vs
PIT PIT
L 1 1 0 0 0 9.0 22 52 15 1 5 0 3 0
Casey Patten Casey Patten 15 7/24/1901
WSH WSH
@
CWS CWS
L 1 1 0 0 0 8.0 20 52 17 0 4 0 1 0
Vin Mazzaro Vin Mazzaro 14 5/16/2011
KCR KCR
vs
CLE CLE
0 0 0 0 0 2.1 11 21 14 1 3 0 0 2 1
Mike Oquist Mike Oquist 14 8/3/1998
OAK OAK
vs
NYY NYY
L 1 0 0 0 0 5.0 16 32 14 4 3 0 0 3 0
Bill Travers Bill Travers 14 8/14/1977
MIL MIL
@
CLE CLE
L 1 0 0 0 0 7.2 18 45 14 2 4 0 1 4 2
Al Jurisich Al Jurisich 14 6/28/1947
PHN PHN
@
NYG NYG
L 1 1 0 0 0 8.0 16 46 14 3 6 0 1 0
Les McCrabb Les McCrabb 14 4/16/1942
PHA PHA
@
BSA BSA
0 0 1 0 0 4.0 14 29 14 2 2 1 0 1
Chubby Dean Chubby Dean 14 9/28/1940
PHA PHA
@
BSA BSA
L 1 1 0 0 0 8.0 19 47 16 1 5 0 1 2
Carl Doyle Carl Doyle 14 6/8/1940
BKN BKN
@
CIN CIN
0 0 0 0 0 4.0 16 36 14 1 4 4 2 2
Jim Walkup Jim Walkup 14 7/25/1937
SLA SLA
vs
WSH WSH
L 1 0 0 0 0 8.0 16 44 14 1 5 0 3 1
Hod Lisenbee Hod Lisenbee 14 9/11/1936
PHA PHA
@
CWS CWS
L 1 1 0 0 0 8.0 26 51 17 2 4 0 1 1
Dutch Schesler Dutch Schesler 14 7/11/1931
PHN PHN
vs
NYG NYG
0 0 1 0 0 8.0 22 48 16 4 0 1 1 0
Johnny Miljus Johnny Miljus 14 7/25/1929
CLE CLE
@
PHA PHA
L 1 0 0 0 0 3.0 13 25 14 3 3 0 0 0
Ted Lyons Ted Lyons 14 7/21/1924
CWS CWS
@
WSH WSH
L 1 1 0 0 0 8.0 18 48 16 0 5 0 3 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.

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NL East W L PCT GB
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Braves Braves
104 58 .642
2
Phillies Phillies
90 72 .556 14.0
AL East W L PCT GB
1
Orioles Orioles
101 61 .623
2
Rays Rays
99 63 .611 2.0
NL West W L PCT GB
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Dodgers Dodgers
100 62 .617
2
Diamondbacks Diamondbacks
84 78 .519 16.0
NL Central W L PCT GB
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Brewers Brewers
92 70 .568
2
Cubs Cubs
83 79 .512 9.0
AL West W L PCT GB
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Astros Astros
90 72 .556
2
Rangers Rangers
90 72 .556
AL Central W L PCT GB
1
Twins Twins
87 75 .537
2
Tigers Tigers
78 84 .481 9.0

MLB 2024 Scores & Schedule

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DATE MATCHUP SCORE
Wed
4/24
OAK OAK
@
NYY NYY
3-1
Wed
4/24
LAD LAD
@
WSH WSH
2-1
Wed
4/24
HOU HOU
@
CHC CHC
1-3
Wed
4/24
SEA SEA
@
TEX TEX
4-3
Wed
4/24
SDP SDP
@
COL COL
9-10

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DATE MATCHUP TIME (ET)
Fri
4/26
KCR KCR
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DET DET
1:10 PM
Fri
4/26
OAK OAK
@
BAL BAL
7:05 PM
Fri
4/26
LAD LAD
@
TOR TOR
7:07 PM
Fri
4/26
WSH WSH
@
MIA MIA
7:10 PM
Fri
4/26
CHC CHC
@
BOS BOS
7:10 PM