Mark Mercer vs. Billy Taylor — Career Comparison

On the career pitching numbers, Billy Taylor posted a stronger line than Mark Mercer. Billy Taylor posted stronger numbers in ERA (4.21 vs 4.7) and WHIP (1.475 vs 1.826). By the career numbers, Billy Taylor 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.