Heath Fillmyer vs. John Mitchell — Career Comparison

Looking at the career totals, Heath Fillmyer and John Mitchell are fairly close on the surface numbers. John Mitchell posted stronger numbers in ERA (4.35 vs 5.07) and home runs allowed (0.53 per nine innings vs 1.46). Heath Fillmyer had the advantage in WHIP (1.433 vs 1.550). By the career numbers, John Mitchell 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.