George Hennessey vs. Layne Somsen — Career Comparison

On the career pitching numbers, George Hennessey posted a stronger line than Layne Somsen. George Hennessey posted stronger numbers in ERA (5.2 vs 19.29) and WHIP (1.807 vs 3.857). By the career numbers, George Hennessey 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.