Marty Bystrom vs. Mike Flanagan — Career Comparison

Looking at the career totals, Marty Bystrom and Mike Flanagan are fairly close on the surface numbers. Mike Flanagan posted stronger numbers in ERA (3.9 vs 4.26) and WHIP (1.349 vs 1.428). Marty Bystrom had the advantage in home runs allowed (0.58 per nine innings vs 0.82). By the career numbers, Mike Flanagan 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.