Javier Assad vs. Zach Jackson — Career Comparison

On the career pitching numbers, Javier Assad posted a stronger line than Zach Jackson. Javier Assad posted stronger numbers in ERA (3.43 vs 5.81) and WHIP (1.332 vs 1.566). By the career numbers, Javier Assad 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.