Fred Archer vs. Ronald Bolanos — Career Comparison

Looking at the career totals, Fred Archer and Ronald Bolanos are fairly close on the surface numbers. Fred Archer posted stronger numbers in WHIP (1.513 vs 1.646) and home runs allowed (0.68 per nine innings vs 1.31). Ronald Bolanos had the advantage in ERA (5.25 vs 6.35). By the career numbers, Fred Archer 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.