Bill Hughes vs. Matt Zieser — Career Comparison

On the career pitching numbers, Matt Zieser posted a stronger line than Bill Hughes. Matt Zieser posted stronger numbers in ERA (1.8 vs 4.5) and WHIP (1.700 vs 2.000). By the career numbers, Matt Zieser 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.