Mitch Harris vs. Dan Spillner — Career Comparison

Looking at the career totals, Mitch Harris and Dan Spillner are fairly close on the surface numbers. Dan Spillner posted stronger numbers in WHIP (1.511 vs 1.593) and home runs allowed (0.81 per nine innings vs 1.33). Mitch Harris had the advantage in ERA (3.67 vs 4.21). By the career numbers, Dan Spillner 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.