Jim Brosnan vs. Ryota Igarashi — Career Comparison

On the career pitching numbers, Jim Brosnan posted a stronger line than Ryota Igarashi. Jim Brosnan posted stronger numbers in ERA (3.54 vs 6.41) and WHIP (1.379 vs 1.849). By the career numbers, Jim Brosnan 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.