Moe Burtschy vs. George Rettger — Career Comparison

On the career pitching numbers, George Rettger posted a stronger line than Moe Burtschy. George Rettger posted stronger numbers in ERA (3.67 vs 4.71) and WHIP (1.554 vs 1.667). By the career numbers, George Rettger 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.