Unknown Brown vs. Martin Perez — Career Comparison

On the career pitching numbers, Martin Perez posted a stronger line than Unknown Brown. Martin Perez posted stronger numbers in ERA (4.41 vs 4.91) and WHIP (1.441 vs 1.636). By the career numbers, Martin Perez 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.