Dave Heaverlo vs. Don Leshnock — Career Comparison

Looking at the career totals, Dave Heaverlo and Don Leshnock are fairly close on the surface numbers. Don Leshnock posted stronger numbers in ERA (0 vs 3.41) and home runs allowed (0 per nine innings vs 0.69). Dave Heaverlo had the advantage in WHIP (1.492 vs 2.000). By the career numbers, Don Leshnock 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.