Ronald Bolanos vs. Hank Johnson — Career Comparison

On the career pitching numbers, Hank Johnson posted a stronger line than Ronald Bolanos. Hank Johnson posted stronger numbers in ERA (4.75 vs 5.25) and WHIP (1.570 vs 1.646). By the career numbers, Hank Johnson 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.