George Rettger vs. Dave Righetti — Career Comparison

Looking at the career totals, George Rettger and Dave Righetti are fairly close on the surface numbers. Dave Righetti posted stronger numbers in ERA (3.46 vs 3.67) and WHIP (1.372 vs 1.554). George Rettger had the advantage in home runs allowed (0.39 per nine innings vs 0.61). By the career numbers, Dave Righetti 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.