Rolando Arrojo vs. Frank Seminara — Career Comparison

Looking at the career totals, Rolando Arrojo and Frank Seminara are fairly close on the surface numbers. Frank Seminara posted stronger numbers in ERA (4.12 vs 4.55) and home runs allowed (0.66 per nine innings vs 1.07). Rolando Arrojo had the advantage in WHIP (1.407 vs 1.540). By the career numbers, Frank Seminara 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.