Pop-boy Smith vs. Mike Willis — Career Comparison

On the career pitching numbers, Pop-boy Smith posted a stronger line than Mike Willis. Pop-boy Smith posted stronger numbers in ERA (4.21 vs 4.59) and WHIP (1.447 vs 1.524). By the career numbers, Pop-boy Smith 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.