Alberto Castillo vs. Andrew Chafin — Career Comparison

On the career pitching numbers, Andrew Chafin posted a stronger line than Alberto Castillo. Andrew Chafin posted stronger numbers in ERA (3.35 vs 4.33) and WHIP (1.317 vs 1.541). By the career numbers, Andrew Chafin 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.