John Connor vs. Mike Willis — Career Comparison

On the career pitching numbers, John Connor posted a stronger line than Mike Willis. John Connor posted stronger numbers in ERA (3.81 vs 4.59) and home runs allowed (0.09 per nine innings vs 1.09). By the career numbers, John Connor 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.