Keith Brown vs. José Lopez — Career Comparison

Looking at the career totals, Keith Brown and José Lopez are fairly close on the surface numbers. Keith Brown posted stronger numbers in ERA (3.4 vs 4.5) and WHIP (1.469 vs 2.000). José Lopez had the advantage in home runs allowed (0 per nine innings vs 0.94). By the career numbers, Keith Brown 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.