Rolando Arrojo vs. Unknown DeShield — Career Comparison

On the career pitching numbers, Unknown DeShield posted a stronger line than Rolando Arrojo. Unknown DeShield posted stronger numbers in ERA (3.6 vs 4.55) and WHIP (1.200 vs 1.407). By the career numbers, Unknown DeShield 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.