Michael Kirkman vs. Luke Putkonen — Career Comparison

Looking at the career totals, Michael Kirkman and Luke Putkonen are fairly close on the surface numbers. Luke Putkonen had the edge in ERA (4.66 vs 5.28). 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.