Matt Koch vs. John Mackinson — Career Comparison

Looking at the career totals, Matt Koch and John Mackinson are fairly close on the surface numbers. Matt Koch posted stronger numbers in ERA (5.18 vs 7.36) and WHIP (1.304 vs 1.773). John Mackinson had the advantage in home runs allowed (1.23 per nine innings vs 2.03). By the career numbers, Matt Koch 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.