J. A. Happ vs. Chris Mahoney — Career Comparison

Looking at the career totals, J. A. Happ and Chris Mahoney are fairly close on the surface numbers. Chris Mahoney posted stronger numbers in ERA (3.27 vs 4.13) and home runs allowed (0.82 per nine innings vs 1.24). J. A. Happ had the advantage in WHIP (1.323 vs 1.909). By the career numbers, Chris Mahoney 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.