Ken Heintzelman vs. Matt Manning — Career Comparison

Looking at the career totals, Ken Heintzelman and Matt Manning are fairly close on the surface numbers. Ken Heintzelman posted stronger numbers in ERA (3.93 vs 4.43) and home runs allowed (0.6 per nine innings vs 1.06). Matt Manning had the advantage in WHIP (1.287 vs 1.445). By the career numbers, Ken Heintzelman 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.