Roger Smithberg vs. Mike Willis — Career Comparison

On the career pitching numbers, Roger Smithberg posted a stronger line than Mike Willis. Roger Smithberg posted stronger numbers in ERA (4.09 vs 4.59) and WHIP (1.318 vs 1.524). By the career numbers, Roger Smithberg 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.