Lewis Woolfolk vs. Geoff Zahn — Career Comparison

Looking at the career totals, Lewis Woolfolk and Geoff Zahn are fairly close on the surface numbers. Geoff Zahn posted stronger numbers in ERA (3.74 vs 5.08) and WHIP (1.369 vs 1.506). Lewis Woolfolk had the advantage in home runs allowed (0.23 per nine innings vs 0.73). By the career numbers, Geoff Zahn 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.