Zach Jackson vs. Ben McDonald — Career Comparison

On the career pitching numbers, Ben McDonald posted a stronger line than Zach Jackson. Ben McDonald posted stronger numbers in ERA (3.91 vs 5.81) and WHIP (1.271 vs 1.566). By the career numbers, Ben McDonald 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.