Marty Bystrom vs. Tyler Mahle — Career Comparison

Looking at the career totals, Marty Bystrom and Tyler Mahle are fairly close on the surface numbers. Tyler Mahle posted stronger numbers in ERA (4.07 vs 4.26) and WHIP (1.297 vs 1.428). Marty Bystrom had the advantage in home runs allowed (0.58 per nine innings vs 1.27). By the career numbers, Tyler Mahle 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.