Dave Heaverlo vs. Ray Narleski — Career Comparison

Looking at the career totals, Dave Heaverlo and Ray Narleski are fairly close on the surface numbers. Dave Heaverlo posted stronger numbers in ERA (3.41 vs 3.6) and home runs allowed (0.69 per nine innings vs 1.03). Ray Narleski had the advantage in WHIP (1.372 vs 1.492). By the career numbers, Dave Heaverlo 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.