Rolando Arrojo vs. Donald Jarmon — Career Comparison

Looking at the career totals, Rolando Arrojo and Donald Jarmon are fairly close on the surface numbers. Rolando Arrojo posted stronger numbers in ERA (4.55 vs 11.37) and WHIP (1.407 vs 1.974). Donald Jarmon had the advantage in home runs allowed (0.71 per nine innings vs 1.07). By the career numbers, Rolando Arrojo 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.