MLB Single Season ERA Leaders


All Time MLB Records
Single Season MLB Records
Career BA Leaders Highest BA in a Season
Career Hits Leaders Most Hits in a Season
Career HR Leaders Most HRs in a Season
Career RBI Leaders Most RBIs in a Season
Career Runs Leaders Most Runs in a Season
Career SB Leaders Most SBs in a Season
Career Wins Leaders Most Saves in a Season
Career Saves Leaders Most Strikeout in a Season
Career Strikeout Leaders Lowest ERA in a Season
Career ERA Leaders  

MLB Milestones
No Hitters and Perfect Games 500 Home Run Club
300 Wins Club 3000 Hits Club
3000 Strikeouts Club Triple Crown Winners


Lowest ERA in a Single MLB Season
Rank Player Team
ERA
Year
1Tim Keefe Troy Trojans
0.86
1880
2Dutch Leonard Boston Red Sox
0.96
1914
3Mordecai Brown Chicago Cubs
1.04
1906
4Bob Gibson St. Louis Cardinals
1.12
1968
T5Walter Johnson Washington Senators
1.14
1913
T5Christy Mathewson New York Giants
1.14
1909
7Jack Pfiester Chicago Cubs
1.15
1907
8Addie Joss Cleveland Naps
1.16
1908
9Carl Lundgren  Chicago Cubs
1.17
1907
10Denny Driscoll Pittsburg Alleghenys
1.21
1882
11Pete Alexander Philadelphia Phillies
1.22
1915
12George Bradley  St. Louis Brown Stockings
1.23
1876
13Cy Young Boston Red Sox
1.26
1908
T14Walter Johnson Washington Senators
1.27
1918
T14Ed Walsh Chicago White Sox
1.27
1910
16Christy Mathewson New York Giants
1.28
1905
T17Jack Coombs  Philadelphia Athletics
1.30
1910
T17Guy Hecker  Loisville Eclipse
1.30
1882
19Mordecai Brown Chicago Cubs
1.31
1909
20Jack Taylor  Chicago Orphans
1.33
1902
21Walter Johnson Washington Senators
1.36
1910
T22George Bradley  Providence Grays
1.38
1880
T22Charley Radbourn Providence Grays
1.38
1884
T24Mordecai Brown Chicago Cubs
1.39
1907
T24Walter Johnson Washington Senators
1.39
1912
T24Harry Krause Philadelphia Athletics
1.39
1909
27Ed Walsh Chicago White Sox
1.41
1909
T28Orval Overall  Chicago Cubs
1.42
1909
T28Ed Reulbach  Chicago Cubs
1.42
1905
T28Ed Walsh Chicago White Sox
1.42
1908
31Christy Mathewson New York Giants
1.43
1908
32Fred Anderson  New York Giants
1.44
1917
33Mordecai Brown Chicago Cubs
1.47
1908
34Rube Waddell Philadelphia Athletics
1.48
1905
T35Walter Johnson Washington Senators
1.49
1919
T35Joe Wood  Boston Red Sox
1.49
1915
T37Jack Pfiester Chicago Cubs
1.51
1906
T37John Ward Providence Grays
1.51
1878
T39Harry McCormick  Cincinnati Red Stockings
1.52
1882
T39Doc White Chicago White Sox
1.52
1906
T41Eddie Cicotte  Chicago White Sox
1.53
1917
T41Dwight Gooden  New York Mets
1.53
1985
T41George McQuillan  Philadelphia Phillies
1.53
1908
44Will White  Cincinnati Red Stockings
1.54
1882
T45Pete Alexander Philadelphia Phillies
1.55
1916
T45Walter Johnson Washington Senators
1.55
1915
T45Cy Morgan  Philadelphia Athletics
1.55
1910
T48Howie Camnitz  Pittsburgh Pirates
1.56
1908
T48Jim Devlin  Louisville Grays
1.56
1876
T48Greg Maddux  Atlanta Braves
1.56
1994

Sources:
baseball-reference.com
baseball-almanac.com
wikipedia.org
thebaseballcube.com