Brad Hennessey vs. David Holmberg — Career Comparison

On the career pitching numbers, Brad Hennessey posted a stronger line than David Holmberg. Brad Hennessey posted stronger numbers in ERA (4.69 vs 5.49) and WHIP (1.508 vs 1.713). By the career numbers, Brad 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.