Marty Bystrom vs. Jack Morris — Career Comparison

Looking at the career totals, Marty Bystrom and Jack Morris are fairly close on the surface numbers. Jack Morris posted stronger numbers in ERA (3.9 vs 4.26) and WHIP (1.322 vs 1.428). Marty Bystrom had the advantage in home runs allowed (0.58 per nine innings vs 0.92). By the career numbers, Jack Morris 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.