Roy Corcoran vs. Thomas Hatch — Career Comparison

Looking at the career totals, Roy Corcoran and Thomas Hatch are fairly close on the surface numbers. Roy Corcoran posted stronger numbers in ERA (4.17 vs 5.24) and home runs allowed (0.33 per nine innings vs 1.4). Thomas Hatch had the advantage in WHIP (1.621 vs 1.682). By the career numbers, Roy Corcoran 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.