Jamie Arnold vs. Paul Masterson — Career Comparison

Looking at the career totals, Jamie Arnold and Paul Masterson are fairly close on the surface numbers. Paul Masterson posted stronger numbers in WHIP (1.581 vs 1.652) and home runs allowed (0.36 per nine innings vs 0.58). Jamie Arnold had the advantage in ERA (5.73 vs 5.84). By the career numbers, Paul Masterson 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.