Mike Bielecki vs. Lefty Williams — Career Comparison

Looking at the career totals, Mike Bielecki and Lefty Williams are fairly close on the surface numbers. Lefty Williams posted stronger numbers in WHIP (1.319 vs 1.444) and home runs allowed (0.15 per nine innings vs 0.85). Mike Bielecki had the advantage in ERA (4.18 vs 4.41). By the career numbers, Lefty Williams 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.