Unknown Howard vs. Cory Mazzoni — Career Comparison

On the career pitching numbers, Unknown Howard posted a stronger line than Cory Mazzoni. Unknown Howard posted stronger numbers in ERA (2.45 vs 11.72) and WHIP (1.636 vs 2.368). By the career numbers, Unknown Howard 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.