John Rocker vs. Eric Yardley — Career Comparison

Looking at the career totals, John Rocker and Eric Yardley are fairly close on the surface numbers. John Rocker had the edge in ERA (3.42 vs 3.52). 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.