Alberto Arias vs. Ed Knouff — Career Comparison

Looking at the career totals, Alberto Arias and Ed Knouff are fairly close on the surface numbers. Ed Knouff posted stronger numbers in WHIP (1.487 vs 1.580) and home runs allowed (0.05 per nine innings vs 0.36). Alberto Arias had the advantage in ERA (3.74 vs 4.17). By the career numbers, Ed Knouff 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.