Hugh Blackburn vs. Jim Hopper — Career Comparison

Looking at the career totals, Hugh Blackburn and Jim Hopper are fairly close on the surface numbers. Jim Hopper posted stronger numbers in ERA (11.25 vs 13.5) and WHIP (2.250 vs 3.000). Hugh Blackburn had the advantage in home runs allowed (0 per nine innings vs 2.25). By the career numbers, Jim Hopper had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.