Don Erickson vs. Thomas Hatch — Career Comparison

Looking at the career totals, Don Erickson and Thomas Hatch are fairly close on the surface numbers. Thomas Hatch posted stronger numbers in WHIP (1.621 vs 1.800) and home runs allowed (1.4 per nine innings vs 2.31). Don Erickson had the advantage in ERA (4.63 vs 5.24). By the career numbers, Thomas Hatch 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.