History

All-Time Pitching Leaders
Single Season Earned Run Average Leaders
RankPlayerERASeason
1.Dutch Leonard 1.001914
2.Bob Gibson 1.121968
3.Walter Johnson 1.141913
4.Grover Alexander 1.221915
5.Walter Johnson 1.271918
6.Fred Anderson 1.451917
7.Walter Johnson 1.481919
8.Smoky Joe Wood 1.491915
9.Dwight Gooden 1.531985
10.Eddie Cicotte 1.541917
11.Grover Alexander 1.551916
 Walter Johnson 1.551915
13.Greg Maddux 1.561994
14.Fred Toney 1.571915
15.Rube Marquard 1.581916