Rolando Arrojo vs. Percy Jones — Career Comparison

Looking at the career totals, Rolando Arrojo and Percy Jones are fairly close on the surface numbers. Percy Jones posted stronger numbers in ERA (4.34 vs 4.55) and home runs allowed (0.46 per nine innings vs 1.07). Rolando Arrojo had the advantage in WHIP (1.407 vs 1.590). By the career numbers, Percy Jones 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.