Mario Soto vs. Roy Witherup — Career Comparison

Looking at the career totals, Mario Soto and Roy Witherup are fairly close on the surface numbers. Mario Soto posted stronger numbers in ERA (3.47 vs 4.44) and WHIP (1.215 vs 1.454). Roy Witherup had the advantage in home runs allowed (0.17 per nine innings vs 0.89). By the career numbers, Mario Soto 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.