Brian Shackelford vs. Pop Williams — Career Comparison

Looking at the career totals, Brian Shackelford and Pop Williams are fairly close on the surface numbers. Pop Williams posted stronger numbers in ERA (3.17 vs 4.11) and home runs allowed (0.09 per nine innings vs 1.17). Brian Shackelford had the advantage in WHIP (1.283 vs 1.395). By the career numbers, Pop 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.