John Rocker vs. Zack Thompson — Career Comparison

Looking at the career totals, John Rocker and Zack Thompson are fairly close on the surface numbers. John Rocker posted stronger numbers in ERA (3.42 vs 4.5) and home runs allowed (0.81 per nine innings vs 1.3). Zack Thompson had the advantage in WHIP (1.356 vs 1.492). By the career numbers, John Rocker 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.