Lefty Smart vs. Lefty Thomas — Career Comparison

On the career pitching numbers, Lefty Smart posted a stronger line than Lefty Thomas. Lefty Smart posted stronger numbers in ERA (2.78 vs 3.32) and WHIP (1.191 vs 1.800). By the career numbers, Lefty Smart 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.