Dan Altavilla vs. John Rocker — Career Comparison

Looking at the career totals, Dan Altavilla and John Rocker are fairly close on the surface numbers. John Rocker posted stronger numbers in ERA (3.42 vs 4) and home runs allowed (0.81 per nine innings vs 1.27). Dan Altavilla had the advantage in WHIP (1.325 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.