Zach Jackson vs. Keyvius Sampson — Career Comparison

Looking at the career totals, Zach Jackson and Keyvius Sampson are fairly close on the surface numbers. Zach Jackson posted stronger numbers in WHIP (1.566 vs 1.767) and home runs allowed (1.28 per nine innings vs 1.57). Keyvius Sampson had the advantage in ERA (5.6 vs 5.81). By the career numbers, Zach Jackson 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.