Michael Schwimer vs. Ron Willis — Career Comparison

Looking at the career totals, Michael Schwimer and Ron Willis are fairly close on the surface numbers. Ron Willis posted stronger numbers in ERA (3.32 vs 4.62) and home runs allowed (0.57 per nine innings vs 0.92). Michael Schwimer had the advantage in WHIP (1.459 vs 1.544). By the career numbers, Ron Willis 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.