Bill Morrisette vs. Ben Rivera — Career Comparison

On the career pitching numbers, Bill Morrisette posted a stronger line than Ben Rivera. Bill Morrisette posted stronger numbers in ERA (3.35 vs 4.52) and home runs allowed (0 per nine innings vs 0.9). By the career numbers, Bill Morrisette 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.