Posted by tecwrg on 12/23/2014 12:24:00 PM (view original):
I'm tempted to give it to Koufax, whose peak years were heads and tails above everybody else on the list, but half his career was mediocre at best.
I think Johnson's best years were better than Koufax's.
By ERA+:
RJ - 197, 195, 193, 188, 184, 181, 176
SK - 190, 186, 160, 159, 143, 136, 122