Andy Sommerville vs. Pop Williams — Career Comparison

On the career pitching numbers, Pop Williams posted a stronger line than Andy Sommerville. Pop Williams posted stronger numbers in ERA (3.17 vs 162) and WHIP (1.395 vs 18.000). By the career numbers, Pop Williams 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.