Pedro Borbon vs. Elmer Singleton — Career Comparison

On the career pitching numbers, Pedro Borbon posted a stronger line than Elmer Singleton. Pedro Borbon posted stronger numbers in ERA (3.52 vs 4.83) and home runs allowed (0.55 per nine innings vs 0.91). By the career numbers, Pedro Borbon 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.