Big Jeff Pfeffer vs. Ron Robinson — Career Comparison

On the career pitching numbers, Big Jeff Pfeffer posted a stronger line than Ron Robinson. Big Jeff Pfeffer posted stronger numbers in ERA (3.3 vs 3.63) and home runs allowed (0.18 per nine innings vs 0.69). By the career numbers, Big Jeff Pfeffer 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.