Eury Pérez vs. Unknown Powell — Career Comparison

On the career pitching numbers, Eury Pérez posted a stronger line than Unknown Powell. Eury Pérez posted stronger numbers in ERA (3.71 vs 40.5) and WHIP (1.088 vs 7.500). By the career numbers, Eury Pérez 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.