Bob Heffner vs. Al Schroll — Career Comparison

Looking at the career totals, Bob Heffner and Al Schroll are fairly close on the surface numbers. Bob Heffner posted stronger numbers in ERA (4.51 vs 5.34) and WHIP (1.347 vs 1.585). Al Schroll had the advantage in home runs allowed (0.84 per nine innings vs 1.15). By the career numbers, Bob Heffner 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.