Plácido Bernal vs. Roger Weaver — Career Comparison

On the career pitching numbers, Roger Weaver posted a stronger line than Plácido Bernal. Roger Weaver posted stronger numbers in ERA (4.1 vs 8.08) and WHIP (1.461 vs 1.772). By the career numbers, Roger Weaver 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.