Andrew Heaney vs. Jack Leiter — Career Comparison

Looking at the career totals, Andrew Heaney and Jack Leiter are fairly close on the surface numbers. Andrew Heaney posted stronger numbers in ERA (4.57 vs 4.8) and WHIP (1.281 vs 1.361). Jack Leiter had the advantage in home runs allowed (1.2 per nine innings vs 1.58). By the career numbers, Andrew Heaney 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.