Steve Roser vs. Leon Williams — Career Comparison

Looking at the career totals, Steve Roser and Leon Williams are fairly close on the surface numbers. Steve Roser posted stronger numbers in ERA (4.04 vs 5.4) and WHIP (1.413 vs 2.160). Leon Williams had the advantage in home runs allowed (0 per nine innings vs 0.3). By the career numbers, Steve Roser 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.