Ryota Igarashi vs. Peter Moylan — Career Comparison

On the career pitching numbers, Peter Moylan posted a stronger line than Ryota Igarashi. Peter Moylan posted stronger numbers in ERA (3.1 vs 6.41) and WHIP (1.395 vs 1.849). By the career numbers, Peter Moylan 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.