Luis Arroyo vs. Unknown Howard — Career Comparison

Looking at the career totals, Luis Arroyo and Unknown Howard are fairly close on the surface numbers. Unknown Howard posted stronger numbers in ERA (2.45 vs 3.93) and home runs allowed (0 per nine innings vs 0.98). Luis Arroyo had the advantage in WHIP (1.440 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.