SINGLE SEASON
EARNED RUN AVERAGE
01/13/1955
League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments
Rank Player ERA YEAR Open Career Leaderboard
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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