Unknown Howard vs. Hector Mercado — Career Comparison

Looking at the career totals, Unknown Howard and Hector Mercado are fairly close on the surface numbers. Unknown Howard posted stronger numbers in ERA (2.45 vs 4.55) and home runs allowed (0 per nine innings vs 1.08). Hector Mercado had the advantage in WHIP (1.564 vs 1.636). By the career numbers, Unknown Howard 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.