Jose Mercedes vs. Emmet Sheehan — Career Comparison

On the career pitching numbers, Emmet Sheehan posted a stronger line than Jose Mercedes. Emmet Sheehan posted stronger numbers in ERA (3.77 vs 4.75) and WHIP (1.070 vs 1.455). By the career numbers, Emmet Sheehan 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.