Yoshihisa Hirano vs. Mark Schaeffer — Career Comparison

Looking at the career totals, Yoshihisa Hirano and Mark Schaeffer are fairly close on the surface numbers. Yoshihisa Hirano posted stronger numbers in ERA (3.69 vs 4.61) and WHIP (1.344 vs 2.000). Mark Schaeffer had the advantage in home runs allowed (0.66 per nine innings vs 1.03). By the career numbers, Yoshihisa Hirano 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.