Jose Mercedes vs. George Walker — Career Comparison

On the career pitching numbers, George Walker posted a stronger line than Jose Mercedes. George Walker posted stronger numbers in ERA (2.67 vs 4.75) and WHIP (1.083 vs 1.455). By the career numbers, George Walker 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.