Erik Swanson vs. Dom Zanni — Career Comparison

Looking at the career totals, Erik Swanson and Dom Zanni are fairly close on the surface numbers. Dom Zanni posted stronger numbers in ERA (3.79 vs 4.2) and home runs allowed (0.98 per nine innings vs 1.66). Erik Swanson had the advantage in WHIP (1.154 vs 1.361). By the career numbers, Dom Zanni 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.