Matt Manning vs. Geoff Zahn — Career Comparison

Looking at the career totals, Matt Manning and Geoff Zahn are fairly close on the surface numbers. Geoff Zahn posted stronger numbers in ERA (3.74 vs 4.43) and home runs allowed (0.73 per nine innings vs 1.06). Matt Manning had the advantage in WHIP (1.287 vs 1.369). 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.