Paul Clemens vs. Zach Jackson — Career Comparison

Looking at the career totals, Paul Clemens and Zach Jackson are fairly close on the surface numbers. Paul Clemens posted stronger numbers in ERA (4.89 vs 5.81) and WHIP (1.500 vs 1.566). Zach Jackson had the advantage in home runs allowed (1.28 per nine innings vs 1.86). By the career numbers, Paul Clemens 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.