Jackie Collum vs. Ryota Igarashi — Career Comparison

On the career pitching numbers, Jackie Collum posted a stronger line than Ryota Igarashi. Jackie Collum posted stronger numbers in ERA (4.15 vs 6.41) and WHIP (1.431 vs 1.849). By the career numbers, Jackie Collum 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.