David Holmberg vs. George Pierce — Career Comparison

On the career pitching numbers, George Pierce posted a stronger line than David Holmberg. George Pierce posted stronger numbers in ERA (3.11 vs 5.49) and WHIP (1.299 vs 1.713). By the career numbers, George Pierce 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.