George Spencer vs. Amos Willingham — Career Comparison

On the career pitching numbers, George Spencer posted a stronger line than Amos Willingham. George Spencer posted stronger numbers in ERA (4.05 vs 7.11) and WHIP (1.333 vs 1.895). By the career numbers, George Spencer 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.