Roland de la Maza vs. Jim Umbricht — Career Comparison

Looking at the career totals, Roland de la Maza and Jim Umbricht are fairly close on the surface numbers. Jim Umbricht posted stronger numbers in ERA (3.06 vs 4.5) and home runs allowed (0.79 per nine innings vs 4.5). Roland de la Maza had the advantage in WHIP (1.000 vs 1.191). By the career numbers, Jim Umbricht 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.