Ken Ash vs. Richard Rodriguez — Career Comparison

Looking at the career totals, Ken Ash and Richard Rodriguez are fairly close on the surface numbers. Richard Rodriguez posted stronger numbers in ERA (3.28 vs 4.96) and WHIP (1.162 vs 1.469). Ken Ash had the advantage in home runs allowed (0.33 per nine innings vs 1.34). By the career numbers, Richard Rodriguez 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.