Matt Foster vs. Luke Putkonen — Career Comparison

Looking at the career totals, Matt Foster and Luke Putkonen are fairly close on the surface numbers. Matt Foster posted stronger numbers in ERA (4.3 vs 4.66) and WHIP (1.274 vs 1.552). Luke Putkonen had the advantage in home runs allowed (1.12 per nine innings vs 1.36). By the career numbers, Matt Foster 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.