Unknown Brown vs. Mark Portugal — Career Comparison

On the career pitching numbers, Mark Portugal posted a stronger line than Unknown Brown. Mark Portugal posted stronger numbers in ERA (4.03 vs 4.91) and WHIP (1.340 vs 1.636). By the career numbers, Mark Portugal 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.