George Leclair has given up the most earned runs in a game, with 20 earned runs against the Indianapolis Hoosiers on August 16, 1914.
| NAME | ER | DATE | TM | OPP | DEC | GS | ERA | SO | CG | SHO | SV | IP | H | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | G. Leclair | 20 | 8/16/1914 | @ | L | 1 | 22.50 | 0 | 1 | 0 | 0 | 8.0 | 24 | 21 | 0 | 8 | 0 | 0 | 51 | 0 | |||
| 2 | | H. Ehmke | 16 | 9/28/1923 | vs | L | 1 | 24.00 | 6 | 0 | 0 | 0 | 6.0 | 21 | 17 | 2 | 4 | 0 | 0 | 42 | 0 | |||
| 3 | | J. Bracken | 16 | 9/15/1901 | @ | L | 1 | 20.57 | 1 | 1 | 0 | 0 | 7.0 | 24 | 21 | 1 | 3 | 2 | 0 | 49 | 1 | |||
| 4 | | B. Feller | 15 | 8/26/1938 | @ | L | 1 | 19.29 | 7 | 0 | 0 | 0 | 7.0 | 15 | 15 | 2 | 9 | 0 | 0 | 44 | 1 | |||
| 5 | | S. Castleman | 15 | 6/9/1936 | @ | L | 1 | 16.88 | 2 | 1 | 0 | 0 | 8.0 | 18 | 15 | 1 | 3 | 0 | 0 | 45 | 1 | |||
| 6 | | F. Rhem | 15 | 8/4/1933 | vs | L | 1 | 16.88 | 1 | 0 | 0 | 0 | 8.0 | 21 | 16 | 0 | 3 | 1 | 0 | 47 | 0 | |||
| 7 | | H. McQuillan | 15 | 9/11/1927 | @ | L | 1 | 20.25 | 2 | 0 | 0 | 0 | 6.2 | 17 | 16 | 1 | 3 | 0 | 0 | 39 | 0 | |||
| 8 | | N. Greene | 15 | 6/20/1925 | @ | 0 | 20.25 | 0 | 0 | 0 | 0 | 6.2 | 18 | 15 | 3 | 3 | 0 | 1 | 40 | 1 | ||||
| 9 | | W. Noyes | 15 | 9/5/1919 | vs | L | 1 | 19.29 | 3 | 0 | 0 | 0 | 7.0 | 22 | 15 | 1 | 2 | 1 | 0 | 43 | 0 | |||
| 10 | | J. Katoll | 15 | 9/12/1902 | vs | L | 1 | 15.00 | 0 | 1 | 0 | 0 | 9.0 | 23 | 15 | 0 | 1 | 0 | 0 | 49 | 0 | |||
| 11 | | J. Hughes | 15 | 8/20/1902 | @ | L | 1 | 16.88 | 3 | 1 | 0 | 0 | 8.0 | 21 | 15 | 1 | 3 | 0 | 0 | 45 | 0 | |||
| 12 | | A. Maul | 15 | 9/5/1901 | vs | L | 1 | 15.00 | 3 | 1 | 0 | 0 | 9.0 | 22 | 15 | 1 | 5 | 0 | 0 | 52 | 0 | |||
| 13 | | C. Patten | 15 | 7/24/1901 | @ | L | 1 | 16.88 | 1 | 1 | 0 | 0 | 8.0 | 20 | 17 | 0 | 4 | 0 | 0 | 52 | 0 | |||
| 14 | | 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 | |||
| 15 | | 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 | ||
| 16 | | B. Travers | 14 | 8/14/1977 | @ | L | 1 | 16.43 | 4 | 0 | 0 | 0 | 7.2 | 18 | 14 | 2 | 4 | 1 | 0 | 0 | 45 | 2 | ||
| 17 | | A. Jurisich | 14 | 6/28/1947 | @ | L | 1 | 15.75 | 1 | 1 | 0 | 0 | 8.0 | 16 | 14 | 3 | 6 | 0 | 0 | 46 | 0 | |||
| 18 | | L. McCrabb | 14 | 4/16/1942 | @ | 0 | 31.50 | 0 | 0 | 0 | 0 | 4.0 | 14 | 14 | 2 | 2 | 1 | 1 | 29 | 1 | ||||
| 19 | | C. Dean | 14 | 9/28/1940 | @ | L | 1 | 15.75 | 1 | 1 | 0 | 0 | 8.0 | 19 | 16 | 1 | 5 | 0 | 0 | 47 | 2 | |||
| 20 | | C. Doyle | 14 | 6/8/1940 | @ | 0 | 31.50 | 2 | 0 | 0 | 0 | 4.0 | 16 | 14 | 1 | 4 | 4 | 0 | 36 | 2 | ||||
| 21 | | J. Walkup | 14 | 7/25/1937 | vs | L | 1 | 15.75 | 3 | 0 | 0 | 0 | 8.0 | 16 | 14 | 1 | 5 | 0 | 0 | 44 | 1 | |||
| 22 | | H. Lisenbee | 14 | 9/11/1936 | @ | L | 1 | 15.75 | 1 | 1 | 0 | 0 | 8.0 | 26 | 17 | 2 | 4 | 0 | 0 | 51 | 1 | |||
| 23 | | D. Schesler | 14 | 7/11/1931 | vs | 0 | 15.75 | 1 | 0 | 0 | 0 | 8.0 | 22 | 16 | 4 | 0 | 1 | 1 | 48 | 0 | ||||
| 24 | | J. Miljus | 14 | 7/25/1929 | @ | L | 1 | 42.00 | 0 | 0 | 0 | 0 | 3.0 | 13 | 14 | 3 | 3 | 0 | 0 | 25 | 0 | |||
| 25 | | T. Lyons | 14 | 7/21/1924 | @ | L | 1 | 15.75 | 3 | 1 | 0 | 0 | 8.0 | 18 | 16 | 0 | 5 | 0 | 0 | 48 | 0 | |||
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CWSResults 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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