Billy Hart vs. Joe Spruill — Career Comparison

On the career pitching numbers, Billy Hart posted a stronger line than Joe Spruill. Billy Hart posted stronger numbers in ERA (3.67 vs 27) and WHIP (1.262 vs 4.000). By the career numbers, Billy Hart 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.