Brian Fisher vs. Michael Mercado — Career Comparison

On the career pitching numbers, Brian Fisher posted a stronger line than Michael Mercado. Brian Fisher posted stronger numbers in ERA (4.39 vs 11.81) and WHIP (1.423 vs 2.250). By the career numbers, Brian Fisher 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.