Michael Rucker vs. Grant Thatcher — Career Comparison

On the career pitching numbers, Grant Thatcher posted a stronger line than Michael Rucker. Grant Thatcher posted stronger numbers in ERA (3.16 vs 4.96) and home runs allowed (0.24 per nine innings vs 1.39). By the career numbers, Grant Thatcher 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.