Single Season

SINGLE SEASON EARNED RUN AVERAGE 01/13/1955
BNN Index \| MLB \| SCORES \| STANDINGS \| STATS \| TEAMS \| PLAYERS \| TRANSACTIONS \| HISTORY

Rank	Player	ERA	YEAR
1	Mordecai Brown*	1.246	1908
2	Jack Pfiester	1.329	1906
3	Spud Chandler	1.357	1944
4	Mordecai Brown*	1.360	1909
5	Mordecai Brown*	1.434	1906
6	Jose Mendez*	1.482	1907
7	Hank Borowy	1.488	1945
8	Pol Perritt	1.541	1918
9	Rube Benton	1.572	1919
10	Addie Joss*	1.576	1907
11	Ed Walsh*	1.621	1908
12	Jack Chesbro	1.636	1903
13	Howie Camnitz	1.637	1910
14	Addie Joss*	1.645	1902
15	Bill Byrd	1.728	1942
16	Cy Young*	1.730	1904
17	Addie Joss*	1.739	1909
18	Fred Toney	1.742	1919
19	Allie Reynolds#	1.753	1953
20	Ferdie Schupp	1.762	1917
21	Lefty Leifield	1.769	1907
22	Walter Johnson*	1.789	1913
23	Jack Pfiester	1.790	1909
24	Addie Joss*	1.805	1905
25	Kid Nichols*	1.807	1905
26	Bob Ewing	1.821	1904
27	Charles Bender*	1.839	1909
28	Orval Overall	1.846	1910
29	Harry Howell	1.860	1904
30	Clark Griffith	1.879	1898
31	Frank Kitson	1.886	1904
32	Curt Davis	1.892	1940
33	Slim Sallee	1.896	1909
34	Ed Walsh*	1.901	1910
35	Babe Adams*	1.904	1920
35	Addie Joss*	1.904	1906
37	Fred Glade	1.914	1905
38	George McConnell	1.926	1915
39	Cy Young*	1.927	1892
40	Joe Williams*	1.934	1909
41	Ed Brandt	1.945	1943
42	Kid Nichols*	1.946	1904
43	Win Kellum	1.960	1904
44	Christy Mathewson*	1.967	1909
45	Christy Mathewson*	1.968	1908
46	Jack Chesbro	1.973	1905
47	Hal Newhouser#	1.977	1945
48	Ed Walsh*	1.979	1907
49	Heinie Berger	1.985	1908
49	Frank Smith	1.985	1907
51	Vic Willis	1.993	1902
52	Rube Manning	1.996	1908
53	Addie Joss*	1.998	1904
54	Syl Johnson	2.001	1931
55	Harry Brecheen#	2.004	1944
56	Sam Leever	2.006	1906
57	Walter Johnson*	2.016	1917
57	Lon Warneke	2.016	1933
59	Barney Wolfe	2.020	1904
59	Harry Howell	2.020	1905
61	Jesse Barnes	2.028	1918
62	Bill Foster*	2.033	1931
63	Charles Bender*	2.034	1907
64	Mordecai Brown*	2.035	1907
65	Jack Chesbro	2.037	1907
66	Christy Mathewson*	2.045	1904
67	Noodles Hahn	2.048	1902
68	Bill Dinneen	2.049	1902
69	Freddie Fitzsimmons	2.053	1938
70	Spud Chandler	2.054	1952
71	Frank Miller	2.056	1918
72	Whit Wyatt	2.059	1942
72	Spud Chandler	2.059	1945
74	Lefty Williams	2.063	1919
75	Addie Joss*	2.064	1908
76	Walter Johnson*	2.067	1907
77	Monty Stratton#	2.068	1943
78	Addie Joss*	2.069	1903
79	Red Ames*	2.071	1905
79	Noodles Hahn	2.071	1904
81	Larry French	2.080	1942
81	Spud Chandler	2.080	1946
83	Tully Sparks	2.083	1905
83	Babe Ruth*	2.083	1917
85	Bob Feller#	2.087	1946
86	Walter Johnson*	2.089	1914
87	Sam Leever	2.090	1902
88	Dick Rudolph	2.091	1914
89	Bill Drake	2.092	1919
90	Fred Anderson	2.093	1918
91	Babe Ruth*	2.102	1915
92	Al Maul	2.103	1898
93	Howie Camnitz	2.109	1908
94	Jack Pfiester	2.115	1907
95	Heinie Berger	2.117	1907
95	Grover Cleveland Alexander*	2.117	1915
97	Orval Overall	2.119	1907
98	Barney Pelty	2.126	1904
98	Mike Prendergast	2.126	1915
100	Mickey Haefner	2.133	1944

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