Sam Cooper vs. Pat Zachry — Career Comparison

Looking at the career totals, Sam Cooper and Pat Zachry are fairly close on the surface numbers. Pat Zachry posted stronger numbers in ERA (3.52 vs 5.4) and WHIP (1.434 vs 1.534). Sam Cooper had the advantage in home runs allowed (0.35 per nine innings vs 0.67). By the career numbers, Pat Zachry 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.