Justin Slaten vs. Mike Willis — Career Comparison

On the career pitching numbers, Justin Slaten posted a stronger line than Mike Willis. Justin Slaten posted stronger numbers in ERA (3.43 vs 4.59) and WHIP (1.063 vs 1.524). By the career numbers, Justin Slaten 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.