Miguel Diaz vs. Leon Williams — Career Comparison

Looking at the career totals, Miguel Diaz and Leon Williams are fairly close on the surface numbers. Miguel Diaz posted stronger numbers in ERA (4.81 vs 5.4) and WHIP (1.374 vs 2.160). Leon Williams had the advantage in home runs allowed (0 per nine innings vs 1.55). By the career numbers, Miguel Diaz 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.