Yoshinori Tateyama vs. W. Williams — Career Comparison

Looking at the career totals, Yoshinori Tateyama and W. Williams are fairly close on the surface numbers. Yoshinori Tateyama posted stronger numbers in ERA (5.75 vs 6.35) and WHIP (1.262 vs 1.765). W. Williams had the advantage in home runs allowed (0 per nine innings vs 1.77). By the career numbers, Yoshinori Tateyama 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.