George Harper vs. Kevin Whelan — Career Comparison

On the career pitching numbers, George Harper posted a stronger line than Kevin Whelan. George Harper posted stronger numbers in ERA (5.43 vs 9) and WHIP (1.868 vs 3.333). By the career numbers, George Harper 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.