Fred Heimach vs. Justin Thompson — Career Comparison

Looking at the career totals, Fred Heimach and Justin Thompson are fairly close on the surface numbers. Justin Thompson posted stronger numbers in ERA (4.02 vs 4.46) and WHIP (1.350 vs 1.451). Fred Heimach had the advantage in home runs allowed (0.45 per nine innings vs 1.01). By the career numbers, Justin Thompson 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.