Roy Witherup vs. Masato Yoshii — Career Comparison

Looking at the career totals, Roy Witherup and Masato Yoshii are fairly close on the surface numbers. Roy Witherup posted stronger numbers in ERA (4.44 vs 4.62) and home runs allowed (0.17 per nine innings vs 1.33). Masato Yoshii had the advantage in WHIP (1.380 vs 1.454). By the career numbers, Roy Witherup 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.