Walt Masterson vs. Mario Soto — Career Comparison

Looking at the career totals, Walt Masterson and Mario Soto are fairly close on the surface numbers. Mario Soto posted stronger numbers in ERA (3.47 vs 4.15) and WHIP (1.215 vs 1.515). Walt Masterson had the advantage in home runs allowed (0.55 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.