Yoshinori Tateyama vs. Ron Willis — Career Comparison

Looking at the career totals, Yoshinori Tateyama and Ron Willis are fairly close on the surface numbers. Ron Willis posted stronger numbers in ERA (3.32 vs 5.75) and home runs allowed (0.57 per nine innings vs 1.77). Yoshinori Tateyama had the advantage in WHIP (1.262 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.