Bobby Keppel vs. Luke Putkonen — Career Comparison

On the career pitching numbers, Luke Putkonen posted a stronger line than Bobby Keppel. Luke Putkonen posted stronger numbers in ERA (4.66 vs 5.36) and WHIP (1.552 vs 1.700). By the career numbers, Luke Putkonen 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.