Hayden Birdsong vs. Tyler Mahle — Career Comparison

On the career pitching numbers, Tyler Mahle posted a stronger line than Hayden Birdsong. Tyler Mahle posted stronger numbers in ERA (4.07 vs 4.77) and WHIP (1.297 vs 1.438). 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.