Ben Rivera vs. Bill Zepp — Career Comparison

On the career pitching numbers, Bill Zepp posted a stronger line than Ben Rivera. Bill Zepp posted stronger numbers in ERA (3.64 vs 4.52) and home runs allowed (0.57 per nine innings vs 0.9). By the career numbers, Bill Zepp 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.