Max Castillo vs. John Gibbons — Career Comparison

On the career pitching numbers, John Gibbons posted a stronger line than Max Castillo. John Gibbons posted stronger numbers in ERA (4.31 vs 5.43) and home runs allowed (0.29 per nine innings vs 1.51). By the career numbers, John Gibbons 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.