Art Johnson vs. Ben Rivera — Career Comparison

On the career pitching numbers, Art Johnson posted a stronger line than Ben Rivera. Art Johnson posted stronger numbers in ERA (3.68 vs 4.52) and home runs allowed (0.32 per nine innings vs 0.9). By the career numbers, Art Johnson 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.