Jim Blackburn vs. Jack Kull — Career Comparison

Looking at the career totals, Jim Blackburn and Jack Kull are fairly close on the surface numbers. Jack Kull posted stronger numbers in ERA (3 vs 5.5) and home runs allowed (0 per nine innings vs 1). Jim Blackburn had the advantage in WHIP (1.722 vs 2.667). By the career numbers, Jack Kull 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.